CN109789046A

CN109789046A - Absorbent commodity

Info

Publication number: CN109789046A
Application number: CN201680089304.7A
Authority: CN
Inventors: 藤川久实; 野口顺一
Original assignee: Unicharm Corp
Current assignee: Unicharm Corp
Priority date: 2016-09-16
Filing date: 2016-09-16
Publication date: 2019-05-21
Anticipated expiration: 2036-09-16
Also published as: JPWO2018051519A1; KR20190053185A; JP6275364B1; KR102346040B1; CN109789046B; WO2018051519A1

Abstract

The present invention, which provides, a kind of does not allow to be also easy to produce foreign body sensation, bad order and the excellent absorbent commodity of wearing feeling.Absorbent commodity of the invention includes the liquid-permeable sheet that the 1st nonwoven layer (2) and the 2nd nonwoven layer (3) are bonded together at joint portion (7) and are formed, 1st nonwoven layer (2) there are the convex strip portions (21) continuously extended along scheduled 1st direction and concave part (22) alternately to configure along 2nd direction orthogonal with the 1st direction and the specific sag and swell (20) that is formed, and, the absorbent commodity includes: circular arc sealing, it is formed by the 1st cotton ginning portion (8), 1st cotton ginning portion (8) is configured at from the position that the outer peripheral edge portion of the absorbent commodity separates inwardly；And the 2nd cotton ginning portion (9), it is configured between the 1st outer peripheral edge portion and the circular arc sealing along the direction extension parallel with the 1st direction, and there is the vertical view area that overlook area small than the 1st cotton ginning portion (8).

Description

Absorbent commodity

Technical field

The present invention relates to the absorbent commodities such as panty liner, light incontinence pad, sanitary napkin.

Background technique

All the time, for the absorbent commodities such as panty liner, light incontinence pad, sanitary napkin, seek rapidly Ground, which absorbs the liquid discharges such as urine, menses and keeps it from, leaks into external ability, in addition, in recent years in addition to such ability Except, also seek skin sense of touch, etc. excellent to stickiness, the wearing feeling of the body of wearer.

Such as Patent Document 1 discloses a kind of absorbent commodities, are overlapped by multiple sheet materials, have along longitudinal direction The left and right sides edge of extension and leading edge potion and trailing edge potion are to be formed as lengthwise, wherein absorbent commodity exists crossing In the range of the cross central line being divided into two on longitudinal direction and the predetermined length extended longitudinally, in the inside of the two sides edge Equipped with the 1st group of multiple pressure contact portions, the 1st group of multiple pressure contact portions are at predetermined spaced intervals and the shape with the two sides edge Shape is similarly arranged in a column, is respectively equipped with the arrangement side along multiple pressure contact portions in the two sides that the pressure contact portion is formed by column To the crimpless region of extension.If by the multiple of circular arc sealing etc. as the absorbent commodity disclosed in patent document 1 Pressure contact portion is set to the inside of the outer peripheral edge portion of absorbent commodity, then the harder pressure contact portion of hardness is not easy the huckle with wearer Deng skin face contact, therefore have be not easy to bring to wearer it is excellent because of as foreign body sensation etc. caused by the pressure contact portion Point.

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2004-8596 bulletin

Summary of the invention

Problems to be solved by the invention

On the other hand, it in order to improve the flexibility of absorbent commodity, contacting sense of touch and obtain superior wearing feeling, studies Technology as follows: as the surface patch of absorbent commodity, specific using being formed by the 1st non-woven fabrics and the 2nd non-woven fabrics Liquid-permeable sheet, the 1st above-mentioned non-woven fabrics has convex strip portions and concave part along 2nd direction orthogonal with scheduled 1st direction Alternately configure and the sag and swell formed and the skin opposite face for forming absorbent commodity, the convex strip portions are in absorbent commodity Thickness direction on it is prominent towards skin opposite face side and continuously extend along the 1st direction, the concave part is in the thickness Degree side is recessed and continuously extend along the 1st direction with respect to surface side upwardly toward non-skin, the 2nd above-mentioned non-woven fabrics with should The non-skin opposite face of 1st non-woven fabrics is adjacent, and at least part concave part of the 1st non-woven fabrics be engaged in it is above-mentioned 2nd non-woven fabrics.

But when such technology is applied to above-mentioned absorbent commodity disclosed in patent document 1, circular arc sealing Multiple pressure contact portions in portion etc. are set to the inside of the outer peripheral edge portion of absorbent commodity, therefore in the outer peripheral edge portion of absorbent commodity , the outer peripheral edge portion of end on the 2nd orthogonal direction of the 1st direction that the convex strip portions with surface patch are extended (especially Outer peripheral edge portion in the end being located on the 2nd direction is formed as in curvilinear situation) at, the 1st non-woven fabrics is at least A part of end will form as free end (i.e. loose end), if skin from the end to absorbent commodity with respect to surface side or Outside on person's in-plane is prominent (referring to Fig. 4), it is likely that cause to bring foreign body sensation to wearer and reduce wearing feeling, The problems such as deteriorated appearance as absorbent commodity.

Therefore, do not allow to be also easy to produce foreign body sensation as described above, bad order the object of the present invention is to provide one kind and wear The excellent absorbent commodity of sense.

The solution to the problem

A technical solution (technical solution 1) of the invention is a kind of absorbent commodity comprising: liquid-permeable sheet is formed 1st nonwoven layer of skin opposite face and 2nd nonwoven layer adjacent with the non-skin opposite face of the 1st nonwoven layer are engaging It is bonded together to form the liquid-permeable sheet at portion；And opaque liquid piece, it is located at and leans on non-skin phase than the liquid-permeable sheet The position of opposite side, wherein

There is 1st nonwoven layer convex strip portions and concave part to replace along 2nd direction orthogonal with scheduled 1st direction The sag and swell of ground configuration and formation, the convex strip portions are on the thickness direction of the absorbent commodity towards skin opposite face pleurapophysis Continuously extend out and along the 1st direction, the concave part is recessed with respect to surface side towards non-skin on the thickness direction And continuously extend along the 1st direction, and at least part concave part at the joint portion with the 2nd nothing Woven fabric layer engages,

Also, the 1st nonwoven layer is longer than the described 2nd by the length on the 2nd direction in the state of trailing Length on the 2nd direction of nonwoven layer, the non-woven fabrics of the convex strip portions can be formed formed,

The absorbent commodity includes:

Circular arc sealing is formed by the 1st cotton ginning portion, the 1st cotton ginning portion the outer peripheral edge portion from the absorbent commodity to It is configured at the position that inside separates at least partially along the outer peripheral edge portion, and makes the liquid-permeable sheet and described impermeable Fluidity piece is integrated on the thickness direction；And

2nd cotton ginning portion is configured in the outer peripheral edge portion, along the direction extension parallel with the 1st direction Between 1st outer peripheral edge portion and the circular arc sealing, and there is the vertical view face smaller than the vertical view area in the 1st cotton ginning portion Product.

Due to the absorbent commodity of the technical solution 1 have be configured at it is in the outer peripheral edge portion, along with the 1st side Between the 1st outer peripheral edge portion extended to parallel direction and the circular arc sealing and have the than the circular arc sealing The 2nd cotton ginning portion of the small vertical view area of area is overlooked in 1 cotton ginning portion, therefore can inhibit the described 1st using the 2nd cotton ginning portion The end near the outer peripheral edge portion of absorbent commodity of nonwoven layer is rolled and prominent or to plane to skin opposite face side Outside situation outstanding on direction, it is not easy to generate foreign body sensation, bad order caused by the protrusion because of the end.

In addition, for the absorbent commodity of the technical program 1, since the 2nd above-mentioned cotton ginning portion is with closeer than circular arc The small vertical view area of area is overlooked in the 1st cotton ginning portion in envelope portion, therefore even if the 2nd cotton ginning portion touches the huckle of wearer Deng skin face, be also not easy to enable a wearer to experience its hardness (being not easy to bring foreign body sensation to wearer), can be good Ground maintains the excellent wearing feeling realized by the liquid-permeable sheet with above-mentioned specific sag and swell.

In addition, according to the absorbent commodity of the technical solution 1, in another technical solution (technical solution of the invention 2) in, the convex strip portions have hollow internal structure.

For the absorbent commodity of the technical solution 2, since the convex strip portions of the 1st nonwoven layer have hollow inside Construction, therefore good resiliency and more soft skin sense of touch can be obtained, it can be obtained as absorbent commodity more excellent Wearing feeling.

According to the absorbent commodity of the technical solution 1 or 2, in another technical solution (technical solution 3) of the invention In, in the outer peripheral edge portion, the 2nd outer peripheral edge portion along the direction extension parallel with the 2nd direction and the circular arc The 2nd cotton ginning portion is not configured between sealing.

For the absorbent commodity of the technical solution 3, due to it is in the outer peripheral edge portion, along with the described 2nd It is not configured the 2nd cotton ginning portion between the 2nd outer peripheral edge portion that the parallel direction in direction extends and the circular arc sealing, therefore It is less likely to occur to be not present at above-mentioned 2nd outer peripheral edge portion outstanding of the end of the 1st above-mentioned nonwoven layer and is led because of cotton ginning portion The harder part of the hardness of cause, is more not easy to bring foreign body sensation to wearer.The absorbent commodity of the technical program 3 as a result, Excellent wearing feeling can more reliably be maintained.

According to any one absorbent commodity in the technical solution 1~3, in another technical solution (skill of the invention Art scheme 4) in, the absorbent commodity has the outer shape of lengthwise, which has orthogonal length direction And width direction, the 1st direction are parallel with the width direction.

For the absorbent commodity of the technical solution 4, the 1st direction that the convex strip portions of the 1st nonwoven layer are extended with The width direction of the absorbent commodity of outer shape with lengthwise is parallel, is easy to happen the end of the 1st above-mentioned nonwoven layer Above-mentioned 1st outer peripheral edge portion outstanding become absorbent commodity length direction on end outer peripheral edge portion, therefore be easy Do not allow at the outer peripheral edge portion of end in the width direction for the absorbent commodity being in contact with the huckle of wearer, pars inguinalis The protrusion that the end of the 1st above-mentioned nonwoven layer easily occurs does not allow to be also easy to produce foreign matter caused by the protrusion because of the end more Sense.The absorbent commodity of the technical program 4 can more reliably maintain above-mentioned excellent wearing feeling as a result,.

In addition, in the case where the absorbent commodity of the technical program 4 also includes the structure of above-mentioned technical solution 3, by It is not configured between the 2nd outer peripheral edge portion and the circular arc sealing of the end in the width direction in absorbent commodity above-mentioned 2nd cotton ginning portion, therefore the absorbent commodity is in the absorbent commodity for being easy to be in contact with the huckle of wearer, pars inguinalis The harder part of hardness caused by being not present at 2nd outer peripheral edge portion of the end in width direction because of cotton ginning portion, more reliably It is not easy to bring foreign body sensation to wearer.

According to any one absorbent commodity in the technical solution 1~4, in another technical solution (skill of the invention Art scheme 5) in, the 1st nonwoven layer and the 2nd nonwoven layer are bonded on one by bonding agent at the joint portion It rises, on the other hand, has the bonding agent there is no the bonding agent non-between the outer peripheral edge portion and the circular arc sealing Domain of the existence.

For the absorbent commodity of the technical solution 5, due to the outer peripheral edge portion and the circular arc sealing it Between there is bonding agent there is no bonding agent for the 1st nonwoven layer and the 2nd nonwoven layer to be bonded together Non- domain of the existence, therefore be not easy to enable a wearer to feel near the outer peripheral edge portion for being easy to be in contact with the skin face of wearer By the hardness at the joint portion formed by bonding agent, can more be not easy to bring foreign body sensation etc. to wearer.

According to any one absorbent commodity in the technical solution 1~5, in another technical solution (skill of the invention Art scheme 6) in, the 1st nonwoven layer has the thickness bigger than the thickness of the 2nd nonwoven layer.

For the absorbent commodity of the technical solution 6, since the 1st nonwoven layer has than the 2nd nonwoven The big thickness of the thickness of layer of cloth, thus can ensure in the 1st nonwoven layer convex strip portions relative to the pressure on thickness direction Restoring force for contracting can play higher cushion performance.In addition, if using such raised line to above-mentioned 1st nonwoven layer The biggish non-woven fabrics of the restoring force in portion, then the end of usually above-mentioned the 1st nonwoven layer be easy to roll and to skin with respect to surface side Prominent or on in-plane outside is prominent, but rolls since the absorbent commodity of the technical program 6 has above-mentioned the 2nd Flower portion, therefore it is able to suppress the protrusion of the end of such 1st nonwoven layer.

Thus, the absorbent commodity of the technical program 6 can play higher cushion performance and not allow to be also easy to produce because upper Foreign body sensation, bad order caused by the protrusion for the end stated.

According to any one absorbent commodity in the technical solution 1~6, in another technical solution (skill of the invention Art scheme 7) in, the 2nd cotton ginning portion is configured at the position being at least overlapped when looking down with the 1st outer peripheral edge portion.

For the absorbent commodity of the technical solution 7, since the 2nd cotton ginning portion is configured at least with the described 1st Outer peripheral edge portion be overlapped position, therefore can be reduced using the 2nd cotton ginning portion above-mentioned 1st nonwoven layer in absorbent commodity Outer peripheral edge portion near the part as free end, can more reliably inhibit the end of the 1st above-mentioned nonwoven layer to roll And to skin opposite face side is prominent or outside situation outstanding on in-plane.The absorption of the technical program 7 as a result, Property article can not allow to be also easy to produce foreign body sensation, bad order caused by the protrusion because of above-mentioned end more.

According to any one absorbent commodity in the technical solution 1~7, in another technical solution (skill of the invention Art scheme 8) in, the 1st outer peripheral edge portion has curved in such a way that the outside on the 2nd direction is outstanding when looking down Outer shape, the 2nd cotton ginning portion are configured along the outer shape of the 1st outer peripheral edge portion.

For the absorbent commodity of the technical solution 8, since the 2nd above-mentioned cotton ginning portion is along the of absorbent commodity The curved outer shape of 1 outer peripheral edge portion configures, even therefore having the end of above-mentioned 1st nonwoven layer easy to form for certainly From hold outer shape (i.e. the 1st outer peripheral edge portion when looking down in such a way that the outside on the 2nd direction is outstanding it is curved outer Shape shape) absorbent commodity, also can more reliably inhibit the end of the 1st above-mentioned nonwoven layer to roll and opposite to skin Surface side protrusion or the outside situation outstanding on in-plane.The absorbent commodity of the technical program 8 can be more as a result, Foreign body sensation, bad order caused by the protrusion because of above-mentioned end are not allowed to be also easy to produce reliably.

The effect of invention

According to the present invention, it is possible to provide one kind, not allow to be also easy to produce foreign body sensation as described above, bad order and wearing feeling excellent Different absorbent commodity.

Detailed description of the invention

Fig. 1 is the partial cutaway perspective view of the panty liner 1 of an embodiment of the invention.

Fig. 2 is the top view of the panty liner 1 of an embodiment of the invention.

Fig. 3 is the broken section along the III-III line in Fig. 2 of the panty liner 1 of an embodiment of the invention Figure.

Fig. 4 is the partial sectional view corresponding with Fig. 3 for not having the panty liner 1 ' in the 2nd cotton ginning portion.

Fig. 5 is the major part enlarged plan view of the panty liner of another embodiment of the invention.

Fig. 6 is the top view of the panty liner 10 of another embodiment of the invention.

Specific embodiment

Hereinafter, the preferable embodiment of absorbent commodity of the invention is described in detail with reference to accompanying drawings.In addition, in this theory In bright book, informed as long as no special, it just will be " from the upper side in vertical direction along the thickness direction of object to exhibition The object (such as absorbent commodity, surface patch (liquid-permeable sheet) etc.) that the state opened is placed on horizontal plane is observed " letter Referred to as " overlook ".

It is informed as long as no special, various directions as used in this specification etc. are just as follows.

In the present specification, " length direction " refers to " object (such as the absorbent commodity, surface of lengthwise when looking down Piece (liquid-permeable sheet) etc.) the longer direction of length ", " width direction " refer to " when looking down the length of the object of lengthwise compared with Short direction (short side direction) ", " thickness direction " refer to " perpendicular with the object of state placement in the horizontal plane with expansion Direction ".Above-mentioned length direction, width direction and thickness direction are in orthogonal relationship.In addition, in this specification In, " in-plane " refers to " the substantially object (such as absorbent commodity, surface patch (liquid-permeable sheet) etc.) of sheet when looking down The direction (i.e. horizontal plane direction) that is extended of plane ", the in-plane and thickness direction are in orthogonal relationship.

Also, it in the present specification, will be " relatively close to positioned at the object on the length direction of the object of lengthwise Length direction on center and the length direction central axial line C that extends in the width direction_WProximal side " be referred to as " length direction On inside ", " the length direction central axial line C will be relatively far from the length direction of the object of the lengthwise_W's Far side " is referred to as " outside in width direction ".It equally, will be " relatively close to position in the width direction of the object of lengthwise The width direction central axial line C extended in the center in the width direction of the object and along its length_LProximal side " be referred to as " inside in width direction " " will be relatively far from the width direction in the width direction of the object of the lengthwise Entreat axis C_LFar side " be referred to as " outside in width direction ".In addition, in the present specification, it will be " in the object of substantially sheet Relatively close to the length direction central axial line C of the object on the in-plane of object_WWith width direction central axial line C_LIntersection point Proximal side " be referred to as " inside on in-plane ", " on the in-plane of the object of substantially sheet will be relatively far from this The length direction central axial line C of object_WWith width direction central axial line C_LIntersection point far side " be referred to as " on in-plane Outside ".

Moreover, in the present specification, being informed as long as no special, on the thickness direction of absorbent commodity, " will absorb Property article when wearing relatively close to the proximal side in the skin face of wearer " be referred to as " skin surface side ", by " absorbent commodity The skin face that wearer is relatively far from when wearing far side " be referred to as " non-skin surface side ".Here, referring to " when wearing " At the time of putting on absorbent commodity since wearer (at the time of becoming the state being able to use) maintain the state during (during dress).

In addition, in the present specification, various components (such as the surface patch (liquid-permeable sheet), back of absorbent commodity will be constituted Dough sheet (opaque liquid piece) etc.) " surface of the skin with respect to surface side " be referred to as " skin opposite face ", will " non-skin be with respect to surface side Surface " be referred to as " non-skin opposite face ".

Fig. 1 is the partial cutaway perspective view of the panty liner 1 of an embodiment of the invention, and Fig. 2 is bowing for panty liner 1 View, Fig. 3 are the partial sectional views along the III-III line in Fig. 2 of panty liner 1.

As depicted in figs. 1 and 2, the panty liner 1 of an embodiment of the invention is when looking down with the shape of lengthwise Shape, the outer shape have length direction L and width direction W, and more particularly, panty liner 1 has following lengthwise Outer shape: outer peripheral edge portion (the 1st outer peripheral edge portion E in Fig. 1 and Fig. 2 at the both ends on the length direction L₁) respectively By towards the outside on length direction L it is outstanding in a manner of be bent, and substantial middle part on the length direction L is towards wide Spend the inside slightly constriction on the W of direction.

In addition, in the present invention, the outer shape of absorbent commodity is not limited to such form, it can be with various use Ways etc. correspondingly use arbitrary outer shape (such as rectangle, ellipse, hourglass shape etc.).

As shown in FIG. 1 to 3, as basic structure, the panty liner 1 of present embodiment includes: table in the thickness directiont Dough sheet 4, is formed by liquid-permeable sheet, which is located at the skin of panty liner 1 with respect to surface side Da and by with aftermentioned 1st nonwoven layer 2 of specific sag and swell 20 and the 2nd nonwoven layer 3 formation for being laminated in the 1st nonwoven layer 2；Back sheet 6, opaque liquid piece of the non-skin with respect to surface side Db by being located at panty liner 1 is formed；And intermediate 5, it is located at above-mentioned Between surface patch 4 and above-mentioned back sheet 6, surface (i.e. skin opposite face) of the skin of surface patch 4 with respect to surface side Da forms health The non-skin of the skin opposite face of protection pad 1, back sheet 6 forms panty liner 1 with respect to the surface of surface side (i.e. non-skin opposite face) Non- skin opposite face.

In addition, in the present embodiment, being borrowed respectively between surface patch 4 and intermediate 5 and between intermediate 5 and back sheet 6 It helps the adhesive layer (not shown) formed by hot melt adhesive and engages.

In addition, as shown in figure 3, overleaf the non-skin opposite face of piece 6, will with the bonding part 12 for being fixed on clothing The adhesive continuously extended on width direction W (so-called striated) in such a way that alongst L arranges multiple tracks is matched Set to be formed this for being fixed on the bonding part 12 of clothing, also, on surface of the non-skin of the bonding part 12 with respect to surface side With stripping film 11, which is configured to cover the substantially entire surface of the non-skin opposite face of the back sheet 6, for protecting Bonding part 12 before protecting use.Panty liner 1 configured as described is worn as follows: above-mentioned stripping is peeled when wearing From piece 11, panty liner 1 is consolidated using the bonding part 12 for being fixed on clothing for the non-skin opposite face for being configured at back sheet 6 Due to the surface of the inside of the clothing (such as underwear etc.) of wearer, keep surface patch 4 opposite with the skin face of wearer.

In addition, for forming the adhesive of above-mentioned bonding part, as long as absorbent commodity can be fixed on to dress The clothing of person is just not particularly limited, such as is able to use the arbitrary adhesive containing styrenic etc..In addition, Also there is no particular limitation for the configuration pattern of adhesive, and adhesive both can discontinuously extend on width direction W, can also be It is continuous or discontinuously extend on length direction L.

Moreover, in the panty liner 1 of present embodiment, as shown in figure 3, surface patch 4 is formed by liquid-permeable sheet, the transparent liquid Property piece is will to form the 1st nonwoven layer 2 of the skin opposite face of panty liner 1 and opposite with the non-skin of the 1st nonwoven layer 2 The 2nd adjacent nonwoven layer 3 of face is bonded together at joint portion 7 and is formed, in addition, the 1st nonwoven layer 2 is with convex Article portion 21 and concave part 22 are along 2nd direction D corresponding with the length direction L of panty liner 1₂It alternately configures and is formed Sag and swell 20, above-mentioned convex strip portions 21 it is prominent towards skin opposite face side on the thickness direction T of panty liner 1 and along with defend The corresponding 1st direction D of width direction W of raw protection pad 1₁Continuously extend, above-mentioned concave part 22 court on the thickness direction T It is recessed to non-skin with respect to surface side and along the 1st direction D₁Continuously extend, and at least part concave part 22 It is bonded together at the joint portion 7 with the 2nd nonwoven layer 3.In addition, above-mentioned 1st nonwoven layer 2 is by the shape that trails The 1st direction D under state₁On length be longer than the 1st direction D of the 2nd nonwoven layer 3₁On length, institute can be formed The non-woven fabrics for stating convex strip portions 21 is formed.

Also, as shown in FIG. 1 to 3, panty liner 1 includes: circular arc sealing R_S, it is formed by the 1st cotton ginning portion 8, it should 1st cotton ginning portion 8 when looking down from the position that inside of the outer peripheral edge portion of panty liner 1 on in-plane separates along The outer peripheral edge portion configuration, and make the surface patch 4 (liquid-permeable sheet), 6 (liquid-tight of the intermediate 5 and the back sheet Property piece) it is integrated on the thickness direction T of panty liner 1；And the 2nd cotton ginning portion 9, it is configured at the outer peripheral edge of panty liner 1 In portion along with the 1st direction D₁What parallel direction extended (is located on the length direction L of panty liner 1 Both ends and along general width direction W extend) the 1st outer peripheral edge portion E₁With the circular arc sealing R_SBetween, and have than institute That states the 1st cotton ginning portion 8 overlooks the small vertical view area of area.

The panty liner 1 of present embodiment has the 2nd cotton ginning portion 9, and the 2nd cotton ginning portion 9 is configured at the outer of the panty liner 1 In peripheral part along with the 1st direction D₁The 1st outer peripheral edge portion E that parallel direction extends₁With the circular arc sealing R_SIt Between, and have than the circular arc sealing R_SThe 1st cotton ginning portion 8 overlook the small vertical view area of area, therefore can utilize 2nd cotton ginning portion 9 inhibits (i.e. the 1st outer peripheral edge portion E near the outer peripheral edge portion of panty liner 1 of the 1st nonwoven layer 2₁ Near) end 24 roll to skin is prominent with respect to surface side Da or outside situation outstanding on in-plane, do not allow It is also easy to produce foreign body sensation, bad order because of caused by the protrusion of the end 24.

In addition, for panty liner 1, since the 2nd above-mentioned cotton ginning portion 9 has than circular arc sealing R_SThe 1st roll The small vertical view area of area is overlooked in flower portion 8, therefore even if assumes huckle, the pars inguinalis in the 2nd cotton ginning portion 9 and wearer Deng skin face be in contact, be also not easy to enable a wearer to experience its hardness (being not easy to bring foreign body sensation to wearer), energy Enough it is well maintained the excellent wearing feeling realized by the liquid-permeable sheet with above-mentioned specific sag and swell 20.

Here, Fig. 4 is the partial cutaway corresponding with Fig. 3 for not having the panty liner 1 ' in the 2nd cotton ginning portion as described above View, constituent element, i.e. the 1st nonwoven layer 2 ', the 2nd nonwoven layer 3 ', intermediate in the Fig. 4, in addition to the 2nd cotton ginning portion 5 ', back sheet 6 ', joint portion 7 ', the 1st cotton ginning portion 8 ', stripping film 11 ' and bonding part 12 ' respectively with above-mentioned embodiment phase Together.

For the panty liner 1 ' for not having the 2nd cotton ginning portion as described above, as shown in figure 4, in panty liner 1 ' Outer peripheral edge portion in, be located at 2nd direction orthogonal with the 1st direction that the convex strip portions 21 ' of the 1st nonwoven layer 2 ' are extended (i.e. The length direction L of panty liner 1 ') on end outer peripheral edge portion E '₁(especially in outer peripheral edge portion E '₁It is formed when looking down For in curvilinear situation) at, at least part end 24 ' of the 1st nonwoven layer 2 ' will form as free end, the end 24 ' is prominent with respect to the outside on surface side or in-plane (in addition, form shown in Fig. 4 is end to the skin of panty liner 1 ' Outside of the portion 24 ' on the in-plane of panty liner 1 ' form outstanding.) the case where be possible to cause to bring to wearer Foreign body sensation and make wearing feeling decline or as absorbent commodity deteriorated appearance the problems such as.

In addition, in the present invention, the outer shape of the absorbent commodity when outer peripheral edge portion of absorbent commodity refers to vertical view Outer rim, such as in the panty liner 1 of above-mentioned embodiment, the outer peripheral edge portion of absorbent commodity includes being located at this to defend The 1st outer peripheral edge portion E at the both ends on the length direction L of raw protection pad 1₁With the 2nd of the both ends being located on width direction W the Outer peripheral edge portion E₂.Here, the 1st outer peripheral edge portion E₁Be it is in the outer peripheral edge portion of panty liner 1, along convex with the 1st nonwoven layer 2 The 1st direction D that article portion 21 extends₁The outer peripheral edge portion that substantially parallel direction extends, the 2nd outer peripheral edge portion E₂It is the outer of panty liner 1 It is in peripheral part, along with the 1st direction D with the extension of the convex strip portions 21 of the 1st nonwoven layer 2₁The 2nd orthogonal direction D₂It is substantially flat The outer peripheral edge portion that capable direction extends.

In addition, in the present invention, it, will be in the 1st nonwoven layer for the convex strip portions and concave part of the 1st nonwoven layer It is located at the highest point comprising convex strip portions on thickness direction and (is located at the position near the opposite surface side of skin on thickness direction Point) including the 1st imaginary horizontal plane and comprising concave part minimum point (i.e. be located at thickness direction near non-skin opposite face The point of the position of side) including the 2nd imaginary horizontal plane centre (i.e. be located at away from the 1st imaginary horizontal plane and it is described 2nd imagination The respective distance of horizontal plane be equidistance position) the 3rd imaginary horizontal plane as benchmark, will be towards skin opposite face pleurapophysis Part out is referred to as convex strip portions, and the part being recessed towards non-skin opposite face is referred to as concave part.

Moreover, in the present specification, " overlooking area " refers to that the outer shape of object overlooked and observed (is overlooked Shape) area.Thus, the plan view shape in the 1st cotton ginning portion or the 2nd cotton ginning portion is the circular face in circular situation Product becomes the vertical view area in the 1st cotton ginning portion or the 2nd cotton ginning portion.In addition, the vertical view shape in the 1st cotton ginning portion or the 2nd cotton ginning portion Shape is that (i.e. each geometric figure etc. is continuously connected together by shape that multiple geometric figures etc. are combined into Shape) in the case where, it is multiple geometric in plan view shape that the area of the shape the being combined into entirety, which becomes, which overlooks area, Figure etc. not in conjunction with but set and formed shape (though i.e. each geometric figure etc. it is not connected by gather The shape of formation) in the case where, the area of the shapes such as each geometric figure, which becomes, overlooks area.

Absorbent commodity of the invention is constituted hereinafter, being described in more detail using the panty liner 1 of above-mentioned embodiment Various components etc..

[surface patch]

In the panty liner 1 of present embodiment, as shown in figures 1 and 3, surface patch 4 is configured at can be with the flesh of wearer Skin that skin face directly contacts, panty liner 1 is formed with respect to the position of surface side Da by liquid-permeable sheet, and health shield will be formed The skin opposite face of pad 1 and with above-mentioned specific sag and swell 20 the 1st nonwoven layer 2 and with the 1st nonwoven layer 2 Adjacent the 2nd nonwoven layer 3 of non-skin opposite face be bonded together to form above-mentioned liquid permeability at the joint portion 7 Piece.

In the present embodiment, as depicted in figs. 1 and 2, when looking down, surface patch 4 is in the length for being located at panty liner 1 Spend the 1st outer peripheral edge portion E at the both ends on the L of direction₁Between extend, and in the width for being located at panty liner 1 Spend the 2nd outer peripheral edge portion E at the both ends on the W of direction₂Between extend, which has outer with panty liner 1 The outer shape of the identical lengthwise of shape shape.In addition, surface patch (liquid-permeable sheet) is simultaneously unlimited in absorbent commodity of the invention Due to such shape, arbitrary plan view shape and size can be used.

Moreover, in the present embodiment, the liquid-permeable sheet as surface patch 4 is formed by following liquid-permeable sheet, will be formed The skin opposite face of panty liner 1 and with above-mentioned specific sag and swell 20 the 1st nonwoven layer 2 and with the 1st nothing The 2nd adjacent nonwoven layer 3 of the non-skin opposite face of woven fabric layer 2 is bonded together to be formed at the joint portion 7 above-mentioned Liquid-permeable sheet.

As described above, the 1st nonwoven layer 2 for constituting the liquid-permeable sheet have convex strip portions 21 and concave part 22 along with health The corresponding 2nd direction D of the length direction L of protection pad 1₂The specific sag and swell 20 for alternately configuring and being formed, above-mentioned raised line Portion 21 is prominent with respect to surface side Da towards skin on the thickness direction T of panty liner 1 and along the width direction with panty liner 1 The corresponding 1st direction D of W₁Continuously extend, above-mentioned concave part 22 is on the thickness direction T towards non-skin with respect to surface side Db is recessed and along the 1st direction D₁Continuously extend, at least part concave part 22 is at the joint portion 7 with the 2 nonwoven layers 3 are bonded together.

In addition, in the present invention, above-mentioned have convex strip portions and the specific sag and swell of concave part both can be as this reality The whole region that mode is formed in the 1st nonwoven layer like that is applied, regional area can also be only formed in.

In addition, in the present embodiment, as shown in figure 3, the convex strip portions 21 have the non-skin phase of the 1st nonwoven layer 2 The hollow part 23 that opposite is faced.Although there is the convex strip portions of the 1st nonwoven layer the case where such hollow internal structure to exist Be not required in that structure condition in absorbent commodity of the invention, if but the convex strip portions of the 1st nonwoven layer have it is such Hollow internal structure can then obtain good resiliency and more soft skin sense of touch, can obtain as absorbent commodity Obtain superior wearing feeling.On the other hand, if the convex strip portions of the 1st nonwoven layer have solid internal structure, it is not easy Gap is formed between 1st nonwoven layer and the 2nd nonwoven layer, laterally non-skin is opposite from the skin opposite face of liquid-permeable sheet for liquid The metastatic of surface side transfer is good.

In the present invention, as long as not damaging effect of the invention, the height of the convex strip portions of the 1st nonwoven layer is without special Limitation, such as in the range of 0.01mm~6.0mm, but from the aspect of resiliency, skin sense of touch etc., preferably In the range of 0.1mm~4.0mm, in the range of more preferably 0.1mm~3.0mm.Similarly, as long as not damaging effect of the invention The depth of fruit, the concave part of the 1st nonwoven layer is just not particularly limited, such as in the range of 0.01mm~6.0mm, but from From the aspect of resiliency, skin sense of touch etc., in the range of preferably 0.1mm~4.0mm, more preferably 0.1mm~3.0mm's In range.In addition, in the present specification, " height of convex strip portions " refer to using above-mentioned 2nd imaginary horizontal plane as benchmark face to raised line Height (the distance between i.e. above-mentioned 1st imaginary horizontal plane and above-mentioned 2nd imaginary horizontal plane) until the highest point in portion, " groove The depth in portion " refers to the depth the (the i.e. above-mentioned 1st using above-mentioned 1st imaginary horizontal plane until benchmark face to the minimum point of concave part The distance between imaginary horizontal plane and above-mentioned 2nd imaginary horizontal plane).

In the present invention, as long as not damaging effect of the invention, the convex strip portions of the 1st nonwoven layer and the width of concave part (maximum length i.e. on the 2nd direction of convex strip portions and concave part) is just not particularly limited, such as 0.1mm~15.0mm's In range, but from the aspect of resiliency, skin sense of touch etc., in the range of preferably 0.5mm~10.0mm, more preferably In the range of 1.0mm~5.0mm.

In addition, in the present invention, direction, i.e. the 1st direction that the convex strip portions and concave part of the 1st nonwoven layer are extended is not There is special limitation, but it is preferred that the absorbent commodity as above-mentioned embodiment with the outer shape with lengthwise Width direction it is parallel.If the 1st direction that the convex strip portions and concave part of the 1st nonwoven layer are extended and the shape shape with lengthwise The width direction of the absorbent commodity of shape is parallel, then is prone to the outstanding above-mentioned 1st of the end of the 1st above-mentioned nonwoven layer Outer peripheral edge portion becomes the outer peripheral edge portion of the end on the length direction of absorbent commodity, therefore is being easy the thigh with wearer It is less likely to occur above-mentioned at the outer peripheral edge portion of end in the width direction for the absorbent commodity that portion, pars inguinalis are in contact The protrusion of the end of 1 nonwoven layer, more difficult foreign body sensation caused by generating the protrusion because of the end.Being directed to as a result, has For the absorbent commodity of the structure, above-mentioned excellent wearing feeling can be more reliably maintained.

In addition, in the above-described embodiment, the 1st nonwoven layer 2 (is formed before sag and swell by the state to trail Flat state) under the 1st direction D₁On length be longer than the 1st direction D of the 2nd nonwoven layer 3₁On length non-woven fabrics It is formed, using arbitrary processing method (such as figuration processing under heating condition or under the conditions of non-heated etc.) come to the nonwoven Cloth assigns above-mentioned specific sag and swell 20 to form the 1st nonwoven layer 2.The imparting of the specific sag and swell 20 was both It can carry out, can also substantially simultaneously be carried out with the engagement of the 2nd nonwoven layer 3 before being engaged with the 2nd nonwoven layer 3.

As the non-woven fabrics for forming the 1st nonwoven layer, without special as long as the non-woven fabrics with scheduled liquid permeability Limitation, such as be able to use spunlace non-woven cloth, hot-wind nonwoven cloth, spun-bonded non-woven fabrics, point bonding non-woven fabrics, melt spraying non-woven fabrics, And the arbitrary non-woven fabrics such as combination (such as SMS non-woven fabrics etc.) of above-mentioned non-woven fabrics.Wherein, excellent such from flexibility etc. From the aspect of, it can be preferably with spunlace non-woven cloth.

As long as constituting the fiber of the 1st nonwoven layer without special in addition, the 1st nonwoven layer has scheduled liquid permeability Limitation, be able to use arbitrary fiber, but from absorbency, liquid retainability etc. consideration, it is preferable to use hydrophilic fibre. As such hydrophilic fibre, such as cotton can be enumerated, crush the cellulose fibres such as pulp；Artificial silk, fibrinogen are artificial The regenerated celulose fibres such as silk；The semisynthetic fibres cellulose fiber such as acetate, triacetate；Implement the thermoplasticity of hydrophilicity-imparting treatment Resin fibre, composite fibre etc..Wherein, from absorbency, liquid retainability, flexibility, skin sense of touch etc. it is excellent it is such in terms of Consider, it is preferable to use the cellulose fibres such as cellulose fibre, regenerated celulose fibre, semisynthetic fibre cellulose fiber, especially excellent Choosing uses cotton, artificial silk or the composite fibre for being composed cotton and artificial silk.

In addition, also there is the case where capable of absorbing and keeping the intermediate of the excretas such as urine, absorber in absorbent commodity Or when imagining the situation less as the amount of the excreta of object, other than above-mentioned hydrophilic fibre, the 1st nothing Woven fabric layer can also contain the polyolefin series fibers such as polyethylene (PE), polypropylene (PP)；Polyethylene terephthalate (PET) etc. Polyester fiber；The hydrophobic thermoplastic resin fibre such as heat sealability fiber.Contain such thermoplasticity in the 1st nonwoven layer In the case where resin fibre, content is not particularly limited, but as the absorbent properties ensured more than to a certain degree From the aspect of, thermoplastic resin fibre is preferably contained with the mass ratio less than 50 mass %.

As long as the weight per unit area of the 1st nonwoven layer does not limit particularly in addition, not damaging effect of the invention System, can be using the arbitrary weight per unit area for considering absorbency, liquid retainability, resiliency, flexibility etc. and determining. As such weight per unit area, such as 5g/m can be enumerated²~60g/m²In the range of weight per unit area, preferably For 10g/m²~50g/m²In the range of.In addition, can be measured in accordance with the 5.2 of JIS L 1906 to weight per unit area.

As long as not damaging effect of the invention, the thickness of the 1st nonwoven layer is not particularly limited, such as can be used Thickness in the range of 0.001mm~5.0mm, but it is square from absorbency, liquid retainability, resiliency, flexibility, skin sense of touch etc. Face considers, in the range of preferably 0.01mm~3.0mm, in the range of more preferably 0.05mm~2.0mm.

In the present invention, it is preferred that the 1st nonwoven layer has the thickness bigger than the thickness of the 2nd nonwoven layer.If the 1st Nonwoven layer has the thickness bigger than the thickness of the 2nd nonwoven layer, then can ensure the phase of convex strip portions in the 1st nonwoven layer Restoring force for the compression on thickness direction, therefore higher cushion performance can be played.In addition, if to the 1st nonwoven Layer of cloth uses the biggish non-woven fabrics of restoring force of such convex strip portions, then the end of the 1st above-mentioned nonwoven layer is typically easy to roll up It rises and prominent with respect to surface side, prominent or on in-plane outside to skin, but due to absorbent commodity tool of the invention Standby the 2nd above-mentioned cotton ginning portion, therefore it is able to suppress the protrusion of the end of such 1st nonwoven layer.Thus, by the 1st nothing Woven fabric layer uses such non-woven fabrics, to enable absorbent commodity of the invention to play higher cushion performance and not allow It is also easy to produce foreign body sensation, bad order caused by the protrusion because of above-mentioned end.

Here, non-woven fabrics and aftermentioned intermediate and back sheet etc. used in the 1st nonwoven layer and the 2nd nonwoven layer The thickness of various sheet materials can be obtained by following mode: from as measurement object sheet material cut predetermined size (such as 30mm × 30mm etc.) sample chips, by the sample chips scaled off be set to the technology of adding (strain) system automatic compression testing machine (model: KES FB-3A), to the measurement terminal of the testing machine to the pressure that sample chips apply is 49Pa when thickness (mm) into Row measurement.

In the above-described embodiment, non-flesh of the 2nd nonwoven layer 3 adjacent to the 1st nonwoven layer 2 of liquid-permeable sheet is constituted Skin opposite face, and connect at joint portion 7 with the non-skin opposite face of at least part concave part 22 of the 1st nonwoven layer 2 It closes.In the present embodiment, the 2nd nonwoven layer 3 is by the construction with general planar and with the non-woven fabrics of scheduled liquid permeability It is formed.Although the 2nd nonwoven layer have the case where construction of such general planar in absorbent commodity of the invention not Required structure condition, if but the 2nd nonwoven layer have such general planar construction, be easy in the 1st non-woven fabrics The inside of the convex strip portions of layer forms the hollow part of predetermined volume or more, and superior resiliency, soft can be assigned to liquid-permeable sheet It is soft etc., superior wearing feeling can be obtained as absorbent commodity.On the other hand, it is entered if the 2nd nonwoven layer has It is such in the hollow part of the convex strip portions of 1st nonwoven layer to construct or fill up the such construction of hollow part, then it is not easy the 1st Form gap between nonwoven layer and the 2nd nonwoven layer, liquid is from the lateral non-skin opposite face of the skin opposite face of liquid-permeable sheet The metastatic of side transfer is good.

As the non-woven fabrics for forming the 2nd nonwoven layer, without special as long as the non-woven fabrics with scheduled liquid permeability Limitation, such as be able to use hydrophobic nonwoven, water repellency non-woven fabrics, the tissue sheet formed by hydrophilic fibre, with it is above-mentioned The identical spunlace non-woven cloth of the 1st nonwoven layer, hot-wind nonwoven cloth, spun-bonded non-woven fabrics, point bonding non-woven fabrics, melt spraying non-woven fabrics, And the arbitrary non-woven fabrics such as combination (such as SMS non-woven fabrics etc.) of above-mentioned non-woven fabrics.Wherein, from absorbency, liquid retainability, It, can be preferably with the tissue sheet formed by hydrophilic fibre from the aspect of as flexibility etc. is excellent.

As long as constituting the fiber of the 2nd nonwoven layer without special in addition, the 2nd nonwoven layer has scheduled liquid permeability Limitation, be able to use arbitrary fiber, but consider, it is preferable to use with the above-mentioned the 1st from absorbency, liquid retainability etc. The identical hydrophilic fibre of nonwoven layer.Also, same as the 1st above-mentioned nonwoven layer, the 2nd nonwoven layer can also be in addition to containing Have and also contains thermoplastic resin fibre except hydrophilic fibre.

As long as not damaging effect of the invention, the weight per unit area of the 2nd nonwoven layer is not particularly limited, can Using the arbitrary weight per unit area for considering absorbency, liquid retainability, resiliency, flexibility etc. and determining.As that The weight per unit area of sample, such as 1g/m can be enumerated²~50g/m²In the range of weight per unit area, preferably 3g/m² ~40g/m²In the range of.

As long as not damaging effect of the invention, the thickness of the 2nd nonwoven layer is not particularly limited, such as can be used Thickness in the range of 0.001mm~3.0mm, but consider from absorbency, liquid retainability, resiliency, flexibility etc., it is excellent It is selected as in the range of 0.01mm~2.0mm, in the range of more preferably 0.05mm~1.0mm.

[joint portion]

In the above-described embodiment, as shown in figures 1 and 3, in panty liner 1, the 1st nonwoven layer 2 is (more specifically Say be the 1st nonwoven layer 2 concave part 22) and the 2nd nonwoven layer 3 it is arbitrary by hot melt adhesive etc. at joint portion 7 Bonding agent (not shown) and be joined together.If making the 1st nonwoven layer 2 and the 2nd nonwoven layer 3 at joint portion like this It is bonded together at 7, then dislocation, the deformation being less likely to occur between above layers, therefore can more stably play absorbability object Absorbent properties, the wearing feeling of product.

In addition, the 1st nonwoven layer 2 and the 2nd nonwoven layer 3 are at above-mentioned joint portion in the panty liner 1 of present embodiment It is bonded together at 7 by bonding agent, on the other hand, has between the outer peripheral edge portion and circular arc sealing Rs of panty liner 1 There is the non-domain of the existence of bonding agent there is no bonding agent.If absorbent commodity is in such position, i.e. in the outer of absorbent commodity There is the bonding agent for the bonding agent that the 1st nonwoven layer of engagement and the 2nd nonwoven layer is not present between peripheral part and circular arc sealing Non- domain of the existence then is being easy to be not easy to enable a wearer to experience near the above-mentioned outer peripheral edge portion with the skin face contact of wearer Because of the hardness at joint portion caused by bonding agent, therefore more difficult foreign body sensation etc. can be brought to wearer.

In the present invention, the configuration pattern of bonding agent used in the engagement of the 1st nonwoven layer and the 2nd nonwoven layer is not Have a special limitation, for example, can using extend when looking down along the 1st direction and/or the 2nd direction multiple tracks helical form, Ω shape, Wave threadiness, zigzag, striated, band-like etc. arbitrarily configure pattern.

If also, effect of the invention is not damaged, the configuring area (configuration range) of bonding agent, configuration amount (coating weight) Just also be not particularly limited, can using consider desired flexibility, liquid permeability etc. and determine arbitrary configuring area, Configuration amount.It, can also be in addition, above-mentioned bonding agent can both be configured at the non-skin opposite face of the concave part of the 1st nonwoven layer It is configured at the skin opposite face of the 2nd nonwoven layer.

In addition, in the present invention, the 1st nonwoven layer and the 2nd articulate means of nonwoven layer are not limited to The bonding agent stated, such as it is able to use the hot melts catchers such as compression means, the ultrasonic fusing such as heating or non-heated cotton ginning processing The arbitrary engagement means such as section.For example, if the 1st nonwoven layer and the 2nd nonwoven layer are connect using compression means, thermal welding means It is combined, then the influence of decomposition etc. caused by joint portion (weld portion) is not readily susceptible to because of excretas such as urine, therefore even if The engagement state at joint portion can be also well maintained when because the excretas such as urine cause wet, absorbent commodity is less likely to occur It is twisted etc..As a result, the absorbent commodity is able to maintain that good wearing feeling when wet.

[intermediate]

In the panty liner 1 of present embodiment, as shown in figures 1 and 3, intermediate 5 is configured to the thickness in panty liner 1 It spends on the T of direction between surface patch 4 and back sheet 6, it is each to assign resiliency, intensity, absorbent properties etc. to panty liner 1 The mode of kind characteristic functions.

In the present embodiment, the both ends on the length direction L for being located at panty liner 1 when looking down of intermediate 5 The 1st outer peripheral edge portion E in portion₁Between extend, and both ends on the width direction W for being located at panty liner 1 The 2nd outer peripheral edge portion E in portion₂Between extend, with lengthwise identical with the outer shape of panty liner 1 shape shape Shape.

In addition, intermediate is not limited to such shape in absorbent commodity of the invention, it can be using arbitrary Plan view shape and size.Thus, for intermediate, such as can also be only in absorbent commodity and discharge port corresponding region Corresponding region configuration has the intermediate of absorbent properties.

In addition, in the present embodiment, intermediate 5 is engaged in surface patch 4 using hot melt adhesive (not shown) Non- skin opposite face (being more particularly the non-skin opposite face of the 2nd nonwoven layer 3), but it is not limited to that in the present invention The juncture of sample also can use the arbitrary engagement means such as thermal welding and intermediate and surface patch be bonded together.Example Such as, if surface patch and intermediate are bonded together using thermal welding, bonding part (weld) is not readily susceptible to because of urine The influence decomposed caused by equal excretas etc., thus absorbent commodity be less likely to occur it is twisted etc..As a result, the absorbability object Product are able to maintain that good wearing feeling when wet.

The flat member for constituting intermediate is not particularly limited, can be (such as resiliency, strong with desired characteristic Degree, absorbability etc.) correspondingly use arbitrary flat member.As the flat member that can be used as intermediate, such as can enumerate Hydrophobic nonwoven, absorbent sheet etc. out.If intermediate is formed by hydrophobic nonwoven, even if absorbent commodity is (specifically Say it is surface patch, absorbent sheet of absorbent commodity etc.) it absorbs the excretas of liquid such as urine and moistens, absorbent commodity is not allowed yet It is easily twisted, it is easy to maintain good wearing feeling.It on the other hand, can be at intermediate if intermediate is formed by absorbent sheet To not absorbed and kept by the excreta that surface patch fully absorbs and penetrated the liquid of surface patch, therefore it is able to suppress this The leakage of excreta self-absorption article, reflux etc., as a result, it is possible to more reliably provide the good of absorbent commodity to wearer Wearing feeling.

In addition, intermediate both can be by having the list that one of hydrophobic nonwoven and absorbent sheet is used only and is formed Layer construction or the flat member of multi-ply construction are formed, hydrophobic nonwoven and absorbent sheet can also be used simultaneously by having and The flat member of the lit-par-lit structure of formation is formed.Can by be suitably adjusted constitute intermediate flat member the number of plies to Be easily adjusted absorbent commodity it is wet when intensity, resiliency, absorbability etc..

It as the hydrophobic nonwoven that can be used as intermediate, is not particularly limited as long as there is hydrophobicity, such as can Enough using arbitrary non-woven fabrics such as hot-wind nonwoven cloth, air-laid nonwoven fabrics.As long as constituting the fiber tool of the hydrophobic nonwoven Having hydrophobicity, just there is no particular limitation, such as is able to use such as inferior hydrophobic thermoplastic resin fibre: PE, PP polyene Hydrocarbon system fiber；The polyester fibers such as PET；The various composite fibres such as core-sheath compound fibre, and the fiber can also contain heat Weldability fiber.If hydrophobic nonwoven contains heat sealability fiber, heat sealability fiber in hydrophobic nonwoven that Under the action of welding around here, the rigidity of intermediate is higher (i.e. intermediate is not easy twisted), therefore is easy to maintain above-mentioned table The good resiliency of dough sheet, skin sense of touch etc., good wearing feeling is more easily ensured as absorbent commodity.

In addition, as the absorbent sheet that can be used as intermediate, as long as can the excreta of liquid be absorbed and be kept It is just not particularly limited, is able to use the arbitrary absorber being well known in the art.As such absorber, example Can such as enumerate using with hydrophilic tissue sheet core covering piece covering by absorbent cores that absorbent material is formed and At absorber.As the absorbent material of composition absorbent cores, such as hydrophilic fibre, superabsorbent polymer can be enumerated Deng, more particularly, the cellulose fibres such as crushing pulp, cotton；The regenerated celulose fibres such as artificial silk, fibrinogen artificial silk；Vinegar The semisynthetic fibres cellulose fiber such as acid esters, triacetate；The particulate matter formed by superabsorbent polymers such as sodium acrylate polymers； And the material etc. for forming two or more any combination in above-mentioned material.

It, can be using considering desired intensity, soft in addition, the weight per unit area of intermediate is not particularly limited Soft, resiliency etc. and determine arbitrary weight per unit area.As such weight per unit area, such as can enumerate 20g/m²~200g/m²In the range of weight per unit area, preferably 30g/m²~100g/m²In the range of.In addition, in Between in the case that piece formed by the flat member with multi-ply construction, the summation unit area weight of the weight per unit area of each layer In above-mentioned range.

Also, the thickness of intermediate is not particularly limited, such as can be using in the range of 0.01mm~8.0mm Thickness, but consider from intensity, flexibility etc., in the range of preferably 0.05mm~5.0mm, more preferably 0.1mm~ In the range of 3.0mm.In addition, constituting the hydrophobicity in the case where intermediate is formed by above-mentioned hydrophobicity stacking non-woven fabrics The aggregate thickness that the thickness of each layer of non-woven fabrics is laminated is in above-mentioned range.

In addition, intermediate is not required constituent element, therefore is utilizing surface patch in absorbent commodity of the invention In the case where ensuring as absorbency, liquid retainability, intensity as absorbent commodity etc., for absorbent commodity Speech can be set as in view of flexibility etc. and eliminating the structure of intermediate.

[back sheet]

In the panty liner 1 of present embodiment, as shown in figures 1 and 3, back sheet 6 is configured at the non-flesh of panty liner 1 Position of the skin with respect to surface side Db, is formed by opaque liquid piece, which has gas permeability and to prevent wearer The transmission of the excretas such as the urine of discharge and the mode that makes the excreta not escape to clothing of wearer etc. functions.

In the present embodiment, the both ends on the length direction L for being located at panty liner 1 when looking down of back sheet 6 The 1st outer peripheral edge portion E in portion₁Between extend, and both ends on the width direction W for being located at panty liner 1 The 2nd outer peripheral edge portion E in portion₂Between extend, with lengthwise identical with the outer shape of panty liner 1 shape shape Shape.In addition, back sheet (opaque liquid piece) is not limited to such shape in absorbent commodity of the invention, can adopt With arbitrary plan view shape and size.

In addition, in the present embodiment, back sheet 6 is engaged in intermediate 5 using hot melt adhesive (not shown) Non- skin opposite face, but it is not limited to such engaged configuration in the present invention, it also can use thermal welding etc. and arbitrarily connect Back sheet and intermediate (in the case where absorbent commodity does not have intermediate be and surface patch) are bonded on one by conjunction means It rises.For example, if back sheet and intermediate or surface patch are bonded together using thermal welding, bonding part (weld portion Point) influence that is not readily susceptible to decompose caused by excretas because of urine etc. etc., therefore absorbent commodity be less likely to occur it is twisted etc.. As a result, the absorbent commodity is able to maintain that good wearing feeling when wet.

Moreover, the opaque liquid piece for being used as back sheet is not particularly limited as long as having scheduled opaque liquid, example It is such as able to use hydrophobic nonwoven, the polyethylene with gas permeability, polypropylene resin film, non-woven fabrics fitted in into the resin Film and the arbitrary opaque liquid piece such as stacking non-woven fabrics such as laminated body, SMS for being formed.Wherein, from opaque liquid, flexibility, thoroughly Gas, it is wet when intensity (twisted difficulty) etc. consideration, it is preferable to use hydrophobic nonwoven.Here, for hydrophobicity without For the hydrophobic degree of woven fabric, as long as not absorbing the journey of the water to drip down when upper water is dripped on the surface of hydrophobic nonwoven The hydrophobicity of degree with regard to enough, but from the leakage difficulty of the excretas such as urine, it is wet when intensity etc. consider, more preferably thin The water to drip down when water in the surface drop of aqueous non-woven fabric is formed the degree of water droplet by the exclusion of hydrophobic nonwoven Hydrophobicity (so-called water repellency).

The type that can be used as the hydrophobic nonwoven of back sheet (opaque liquid piece) is not particularly limited, such as can Use the arbitrary non-woven fabrics such as spun-bonded non-woven fabrics, point bonding non-woven fabrics, melt spraying non-woven fabrics, SMS non-woven fabrics.In above-mentioned non-woven fabrics In, it is preferable to use comprising by the non-woven fabrics including the fibroplastic superfine fibre layer with 1dtex fiber number below, more preferably Use SMS non-woven fabrics.

The gas permeability and opaque liquid of non-woven fabrics comprising superfine fibre layer are excellent and have the flexibility of appropriateness, therefore If such non-woven fabrics comprising superfine fibre layer is used as back sheet, the wearing feeling of absorbent commodity can be made better It is good.In addition, the lower limit value for constituting the fiber number of the fiber of superfine fibre layer is not particularly limited, but for example, 0.1dtex is left It is right.

Further, since SMS non-woven fabrics is to construct the stacking non-woven fabrics formed by 3 layers of spun-bonded/melt-blown/spunbond, it is to have concurrently Gas permeability and (especially by spunbond layer realize) certain intensity (twisted difficulty) and can be (in particular with as superfine The meltblown layer of fibrous layer) more effectively inhibit urine etc. the transmission of excretas non-woven fabrics, if therefore be used as back sheet, can Enough ensure excellent gas permeability and twisted difficulty (twisted difficulty when especially wet) and can more effectively inhibit urine etc. The leakage of excreta.

In addition, the composition fiber that can be used as the hydrophobic nonwoven of back sheet does not limit particularly as long as having hydrophobicity System, such as it is able to use such as inferior hydrophobic thermoplastic resin fibre: PE, PP polyolefin series fiber；The Polyesters such as PET are fine Dimension；The various composite fibres such as core-sheath compound fibre.

In addition, the weight per unit area of back sheet is not particularly limited, it can use and consider flexibility, breathe freely Property, opaque liquid, intensity etc. and the arbitrary weight per unit area determined.As such weight per unit area, such as can Enumerate 8g/m²~60g/m²In the range of weight per unit area, preferably 15g/m²~50g/m²In the range of.

The thickness of back sheet is not particularly limited, such as can use the thickness in the range of 0.01mm~5.0mm, But consider from flexibility, gas permeability, opaque liquid, intensity etc., in the range of preferably 0.05mm~3.0mm.

[the 1st cotton ginning portion]

As shown in FIG. 1 to 3, the panty liner 1 of present embodiment, which has, is formed by multiple the 1st dotted cotton ginning portions 8 Circular arc sealing R_S, multiple 1st cotton ginning portion 8 is when looking down from the outer peripheral edge portion of panty liner 1 is on in-plane (it is located at the 1st outer peripheral edge portion E at the both ends on length direction L along the outer peripheral edge at the position that side separates₁Be located at The 2nd outer peripheral edge portion E at the both ends on width direction W₂) configure and make the surface patch 4 (liquid-permeable sheet), the intermediate 5 and the back sheet 6 (opaque liquid piece) it is integrated on the thickness direction T of panty liner 1.As depicted in figs. 1 and 2, in circle Arc sealing R_SIn, multiple the 1st dotted cotton ginning portions 8 are arranged in a manner of drawing scheduled decorative pattern.It is multiple dotted 1st cotton ginning portion 8 is by utilizing heating or non-heated cotton ginning manufacturing process (such as a pair of of pressure roller etc.) to aftermentioned layer Stack is so that the skin opposite face of surface patch 4 and non-the two faces of skin opposite face phase each other in the thickness directiont of back sheet 6 Pair mode compressed and formed, which is will be as the 4 (liquid permeability of surface patch of the member of formation of panty liner 1 Piece), intermediate 5 and back sheet 6 (opaque liquid piece) be successively overlapped and be bonded together and formed.Thus, with other portions Split-phase ratio, the density in the 1st cotton ginning portion 8 is relatively high, and thus hardness is also relatively harder.But for present embodiment For panty liner 1, due to being configured from the position that inside of the outer peripheral edge portion of panty liner 1 on in-plane separates There is the circular arc sealing R formed by the 1st above-mentioned cotton ginning portion 8_S, therefore harder the 1st cotton ginning portion 8 of hardness is less easily accessible to wear The skin face of the huckle of person, pars inguinalis etc., it is not easy to foreign matter caused by bringing to wearer because of the 1st cotton ginning portion 8 Sense.

In addition, as depicted in figs. 1 and 2, being formed by the 1st above-mentioned cotton ginning portion 8 in the panty liner 1 of present embodiment Circular arc sealing R_SIt is configured when looking down along the whole region of the outer peripheral edge portion of panty liner 1.Along absorption as Property article outer peripheral edge portion whole region configuration circular arc sealing form be not in absorbent commodity of the invention must Must structure condition, as long as circular arc sealing is configured at least partially along the outer peripheral edge portion of absorbent commodity, but from suction The shape retention of the property received article, the leakage for preventing excreta etc. consider, it is preferred that circular arc sealing is as above-mentioned reality Mode is applied continuously or discontinuously to configure along the whole region of the outer peripheral edge portion of absorbent commodity like that.

Also, in the present embodiment, in the circular arc sealing R formed by the 1st above-mentioned cotton ginning portion 8_SIn, it is multiple dotted The 1st cotton ginning portion 8 be arranged in a manner of drawing scheduled decorative pattern, but in the present invention, for forming circular arc sealing For the configuration in the 1st cotton ginning portion, as long as being configured inside of the outer peripheral edge portion of self-absorption article on in-plane point It positions away from and is just not particularly limited, the 1st cotton ginning portion can be any with linear, curve-like, wave threadiness, zigzag etc. Form configuration.

In addition, in the present embodiment, each 1st cotton ginning portion 8 for forming circular arc sealing has generally circular vertical view Shape, but in the present invention, the plan view shape in above-mentioned each 1st cotton ginning portion is not particularly limited, in addition to above-mentioned implementation Except circle as mode, additionally it is possible to which using ellipse, triangle, quadrangle, star, linear, wave is linear, geometry The arbitrary shape such as figure.

As long as the size for forming each 1st cotton ginning portion of circular arc sealing does not have in addition, not damaging effect of the invention Special limitation, can be true using the shape retention of absorbent commodity, the anti-leakage of excreta, flexibility etc. is considered Fixed arbitrary size.

[the 2nd cotton ginning portion]

As shown in FIG. 1 to 3, the panty liner 1 of present embodiment has multiple the 2nd dotted cotton ginning portions 9, and multiple 2 cotton ginning portions 9 be configured at it is in the outer peripheral edge portion of panty liner 1, along with the 1st above-mentioned direction D₁Parallel direction extend the 1 outer peripheral edge portion E₁With the circular arc sealing R_SBetween (be more particularly the 1st outer peripheral edge portion E from panty liner 1₁To plane Position that inside on direction separates and be from the circular arc sealing R_SThe position that outside on in-plane separates Set), and there is the vertical view area smaller than the vertical view area in the 1st above-mentioned cotton ginning portion 8.It is same as the 1st above-mentioned cotton ginning portion 8, 2nd cotton ginning portion 9 is also by the surface patch 4 (liquid-permeable sheet), 6 (opaque liquid of the intermediate 5 and the back sheet Piece) it is compressed and is formed on the thickness direction T of panty liner 1, keep above-mentioned sheet material integrated in the thickness directiont.

Due to the panty liner 1 of present embodiment have it is in the outer peripheral edge portion of the panty liner 1, along with it is above-mentioned The 1st direction D₁The 1st outer peripheral edge portion E that parallel direction extends₁With above-mentioned circular arc sealing R_SBetween the 2nd cotton ginning portion 9, Therefore can be inhibited using the 2nd cotton ginning portion 9 the 1st nonwoven layer 2 near the outer peripheral edge portion of panty liner 1 (i.e. 1st outer peripheral edge portion E₁Near) end 24 roll and to skin is prominent with respect to surface side Da or outer pleurapophysis on in-plane Situation out, it is not easy to generate foreign body sensation, bad order caused by the protrusion because of the end 24.

Also, since the 2nd cotton ginning portion 9 has than circular arc sealing R_SThe 1st cotton ginning portion 8 overlook the small vertical view face of area Product, therefore even if the 2nd cotton ginning portion 9 touches the skin face of the huckle of wearer, pars inguinalis etc., also it is not easy to make to wear Person experiences its hardness (being not easy to bring foreign body sensation to wearer), can be well maintained by with above-mentioned specific bumps The excellent wearing feeling that the surface patch 4 (liquid-permeable sheet) of construction 20 is realized.

As described above, for the panty liner 1 of present embodiment, the 1st outer peripheral edge portion E₁When looking down have with to Length direction L (the 2nd direction D₂) on the curved outer shape of outside mode outstanding, above-mentioned multiple the 2nd dotted cotton ginning Portion 9 is along the 1st outer peripheral edge portion E₁Curved outer shape configuration.If the 2nd cotton ginning portion is as along absorbability object The curved outer shape of 1st outer peripheral edge portion of product configures, even then the end with the 1st above-mentioned nonwoven layer is easy shape As free end outer shape (i.e. the 1st outer peripheral edge portion when looking down in such a way that the outside on the 2nd direction is outstanding it is curved Bent outer shape) absorbent commodity, also can more reliably inhibit the end of the 1st above-mentioned nonwoven layer to roll and to flesh Skin opposite face side protrusion or the outside situation outstanding on in-plane.

In addition, in the present embodiment, as depicted in figs. 1 and 2, the 2nd cotton ginning portion 9 is not configured in the periphery of panty liner 1 It is in edge, along with length direction L (the 2nd direction D₂) the 2nd outer peripheral edge portion E that extends of parallel direction₂It is sealed with the circular arc Portion R_SBetween.Although the configuration in such 2nd cotton ginning portion is not required constituting bar in absorbent commodity of the invention Part, it is preferred that the 2nd outer peripheral edge portion in absorbent commodity is not configured in the 2nd cotton ginning portion as above-mentioned embodiment Between circular arc sealing.If the 2nd cotton ginning portion is not configured between the 2nd outer peripheral edge portion and circular arc sealing of absorbent commodity, Then there is no because of cotton ginning portion at above-mentioned 2nd outer peripheral edge portion outstanding that the end of the 1st above-mentioned nonwoven layer is less likely to occur Caused by the harder part of hardness, be more not easy to bring foreign body sensation to wearer, therefore can more reliably maintain to absorb The excellent wearing feeling of property article.

In addition, in the present invention, as long as the 1st outer peripheral edge portion and circle of the position absorbent commodity in the 2nd cotton ginning portion of configuration Position between arc sealing is just not particularly limited, and the 2nd cotton ginning portion can be both configured at as above-mentioned embodiment Position that inside of 1st outer peripheral edge portion of self-absorption article on in-plane separates and be from circular arc sealing to plane The position that outside on direction separates can also be configured at least described 1st outer peripheral edge when looking down with absorbent commodity The position that portion is overlapped.

Here, Fig. 5 is the major part enlarged plan view of the panty liner of another embodiment of the invention.Such as Fig. 5 It is shown, in yet another embodiment of the present invention, the 2nd cotton ginning portion 9 be configured at when looking down at least with the 1st outer peripheral edge portion E₁Weight The position of conjunction.If the 2nd cotton ginning portion is configured at such position (position being at least overlapped when looking down with the 1st outer peripheral edge portion Set), then it being capable of becoming certainly using the 1st nonwoven layer near outer peripheral edge portion of the 2nd cotton ginning portion to reduce absorbent commodity By the part held, thus can more reliably inhibit the end of the 1st nonwoven layer to roll and to skin opposite face side it is prominent or Outside situation outstanding on in-plane.As a result, the absorbent commodity with such structure do not allow more to be also easy to produce because Foreign body sensation, bad order caused by the protrusion of above-mentioned end.

In addition, in the present invention, as long as not damaging effect of the invention, the configuration in the 2nd cotton ginning portion is without special Limitation can both make multiple dotted 2 to roll as Fig. 1 and embodiment shown in Fig. 2 for the 2nd cotton ginning portion Flower portion is arranged in a manner of drawing scheduled decorative pattern identical with the 1st cotton ginning portion of circular arc sealing is formed, can also be with Linearly, the arbitrary form configuration such as curve-like, wave threadiness, zigzag.

Also, in the present invention, the plan view shape in each 2nd cotton ginning portion is not particularly limited, in addition to Fig. 1 and Fig. 2 Shown in except circle as embodiment, additionally it is possible to using ellipse, triangle, quadrangle, star, linearly, wave The arbitrary shapes such as linear, geometric figure.

In addition, being rolled as long as having than each 1st of formation circular arc sealing for the size in each 2nd cotton ginning portion The vertical view area that the vertical view area in flower portion is small is just not particularly limited, and can be kept using the shape for considering absorbent commodity Property, the anti-leakage of excreta, flexibility etc. and the arbitrary size determined.By having each 2nd cotton ginning portion than being formed The small vertical view area of area is overlooked in each 1st cotton ginning portion of circular arc sealing, so that even if the 2nd cotton ginning portion touches dress The skin face of huckle, the pars inguinalis of person etc., be also not easy to enable a wearer to experience its hardness (be not easy to wearer with Carry out foreign body sensation), it can be well maintained by the excellent of surface patch (liquid-permeable sheet) realization with above-mentioned specific sag and swell Wearing feeling.

Hereinafter, being explained with reference to the convex strip portions of surface patch (liquid-permeable sheet) and direction and above-mentioned that concave part extends The different another embodiment of the invention of each embodiment.In addition, in addition to the structure different from above-mentioned each embodiment Except structure it is substantially identical as above-mentioned embodiment, and the description is omitted.

In panty liner 10 preferably, as shown in fig. 6, constituting the 1st non-woven fabrics of the liquid-permeable sheet of surface patch Layer 2 has convex strip portions 21 and concave part 22 along 2nd direction D corresponding with the width direction W of panty liner 10₂Alternately match The sag and swell 20 set and formed, the convex strip portions 21 are prominent towards skin opposite face side on the thickness direction T of panty liner 10 And along 1st direction D corresponding with the length direction L of panty liner 10₁Continuously extend, the concave part 22 is in the thickness It is recessed and along the 1st direction D towards non-skin surface side relatively on the T of direction₁Continuously extend.In addition, in the panty liner In 10 and the 1st nonwoven layer 2 is by the 2nd direction D in the state of trailing₂(i.e. with the width direction W phase of panty liner 10 Corresponding direction) on length be longer than the 2nd direction D of the 2nd nonwoven layer 3₂On the non-woven fabrics of length formed.

Moreover, as shown in fig. 6, the panty liner 10 also includes: circular arc sealing R_S, by multiple the 1st dotted cotton ginning Portion 8 is formed, and multiple 1st cotton ginning portion 8 is when looking down in the inside point from the outer peripheral edge portion of panty liner 10 on in-plane Place is positioned away to configure along the outer peripheral edge portion；And the 2nd cotton ginning portion 9, it is configured at the outer peripheral edge portion of panty liner 10 In along with the 1st direction D₁What parallel direction extended (is located at two on the width direction W of panty liner 10 End and along approximate length direction L extend) the 1st outer peripheral edge portion E₁With the circular arc sealing R_SBetween, and have than institute That states the 1st cotton ginning portion 8 overlooks the small vertical view area of area.

Thus, in the panty liner 10, also it can inhibit the 1st nonwoven layer 2 using the 2nd above-mentioned cotton ginning portion 9 (i.e. the 1st outer peripheral edge portion E near the outer peripheral edge portion of panty liner 10₁Near) end 24 roll and to skin with respect to surface side Da The prominent or outside situation outstanding on in-plane, it is not easy to generate foreign matter caused by the protrusion because of the end 24 Sense, bad order.

In addition, the present invention is other than being applied to the panty liner of above-mentioned each embodiment, additionally it is possible to be applied to for example The various absorbent commodities such as sanitary napkin, (light) incontinence pad.In addition, absorbent commodity of the invention is not intended to limit In above-mentioned embodiment, it can properly be combined, change in the range of not departing from the purpose of the present invention, purport. In addition, in the present specification, the serial numbers such as " the 1st ", " the 2nd " are used to distinguish the item with the serial number, it is not meant to each item Sequence, priority and different degree etc..

Description of symbols

1, panty liner (example of absorbent commodity)；2, the 1st nonwoven layer；20, sag and swell；21, convex strip portions； 22, concave part；23, hollow part；3, the 2nd nonwoven layer；4, surface patch (example of liquid-permeable sheet)；5, intermediate；6, it carries on the back Dough sheet (example of opaque liquid piece)；7, joint portion；8, the 1st cotton ginning portion；9, the 2nd cotton ginning portion；10, panty liner (absorbs One example of property article)；11, stripping film；12, bonding part.

Claims

1. a kind of absorbent commodity comprising: liquid-permeable sheet, formed skin opposite face the 1st nonwoven layer and with the 1st nonwoven The 2nd nonwoven layer that the non-skin opposite face of layer of cloth is adjacent is bonded together at joint portion and forms the liquid-permeable sheet；And Opaque liquid piece is located at the position than the liquid-permeable sheet by non-skin with respect to surface side, wherein

There are 1st nonwoven layer convex strip portions and concave part alternately to match along 2nd direction orthogonal with scheduled 1st direction The sag and swell set and formed, the convex strip portions it is prominent towards skin opposite face side on the thickness direction of the absorbent commodity and Continuously extend along the 1st direction, the concave part and edge recessed with respect to surface side towards non-skin on the thickness direction The 1st direction continuously extend, and at least part concave part at the joint portion with the 2nd non-woven fabrics Layer engages,

Also, the 1st nonwoven layer is longer than the 2nd nonwoven by the length on the 2nd direction in the state of trailing Length on the 2nd direction of layer of cloth, the non-woven fabrics of the convex strip portions can be formed formed,

The absorbent commodity includes:

Circular arc sealing is formed by the 1st cotton ginning portion, the 1st cotton ginning portion the outer peripheral edge portion from the absorbent commodity inwardly It is configured at the position separated at least partially along the outer peripheral edge portion, and makes the liquid-permeable sheet and the opaque liquid Piece is integrated on the thickness direction；And

2nd cotton ginning portion, be configured at it is in the outer peripheral edge portion, along the direction parallel with the 1st direction extend the 1st outside Between peripheral part and the circular arc sealing, and there is the vertical view area smaller than the vertical view area in the 1st cotton ginning portion.

2. absorbent commodity according to claim 1, wherein

The convex strip portions have hollow internal structure.

3. absorbent commodity according to claim 1 or 2, wherein

In the outer peripheral edge portion, the 2nd outer peripheral edge portion along the direction extension parallel with the 2nd direction and the circular arc The 2nd cotton ginning portion is not configured between sealing.

4. absorbent commodity described in any one of claim 1 to 3, wherein

The absorbent commodity has the outer shape of lengthwise, which has orthogonal length direction and width side To the 1st direction is parallel with the width direction.

5. absorbent commodity according to any one of claims 1 to 4, wherein

1st nonwoven layer and the 2nd nonwoven layer are bonded together at the joint portion by bonding agent, another Aspect, non-there are areas for the bonding agent for having between the outer peripheral edge portion and the circular arc sealing there is no the bonding agent Domain.

6. absorbent commodity according to any one of claims 1 to 5, wherein

1st nonwoven layer has the thickness bigger than the thickness of the 2nd nonwoven layer.

7. absorbent commodity described according to claim 1~any one of 6, wherein

The 2nd cotton ginning portion is configured at the position being at least overlapped when looking down with the 1st outer peripheral edge portion.

8. absorbent commodity according to any one of claims 1 to 7, wherein

1st outer peripheral edge portion has the curved shape shape in such a way that the outside on the 2nd direction is outstanding when looking down Shape, the 2nd cotton ginning portion are configured along the outer shape of the 1st outer peripheral edge portion.