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CN1943529A - Disposable napkin - Google Patents

Disposable napkin Download PDF

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Publication number
CN1943529A
CN1943529A CN 200610151512 CN200610151512A CN1943529A CN 1943529 A CN1943529 A CN 1943529A CN 200610151512 CN200610151512 CN 200610151512 CN 200610151512 A CN200610151512 A CN 200610151512A CN 1943529 A CN1943529 A CN 1943529A
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CN
China
Prior art keywords
width
sheet
disposable diaper
outside
rivel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 200610151512
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Chinese (zh)
Other versions
CN1943529B (en
Inventor
奥田泰之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kao Corp
Original Assignee
Kao Corp
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Filing date
Publication date
Application filed by Kao Corp filed Critical Kao Corp
Publication of CN1943529A publication Critical patent/CN1943529A/en
Application granted granted Critical
Publication of CN1943529B publication Critical patent/CN1943529B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A disposable diaper has a front face sheet (2), a reverse face sheet (3) and an absorber (4), the leg flap parts (5, 5) are installed along the both sides of the absorber (4). The leg flap part (5) comprises a leg gather (51) and a covering sheet (62) jointed with the upper face thereof by an upper joint (71) in the crotch part. An outer end part (51A) in the width direction of the leg gather (51) and an outer end part (62A) in the width direction of the covering sheet (62) approximately coincide with each other. The leg gather (51) comprises a leg elastic member (52) juxtaposed in the width direction which is sandwiched between upper and lower sides of a leg gather-forming sheet (8). A leg elastic member (52A) located outermost in the width direction is installed at an outer end part (5A) in the width direction of the leg flap parts (5, 5) or in the neighborhood thereof. An outer end part (71A) in the width direction of the upper joint (71) is located in the width direction inside the leg elastic member (52A) located outermost in the width direction.

Description

Disposable diaper
Technical field
The present invention relates to disposable diaper, particularly have the disposable diaper of leg flap parts.
Background technology
As prior art, the disposable diaper with leg flap parts is widely known by the people.In this diaper, be provided with the pair of leg alar part along the both sides of the length direction of diaper, the width outside at leg flap parts has formed folding by shank rivel (leg gather).
Use this disposable diaper, when dressing diaper to the child, the folding meeting of the shank rivel in the leg flap parts of diaper enters into the inboard of diaper, if keep this state, in the wearing process of diaper, the situation that urine spills from leg flap parts might take place then.Therefore, the head of a family etc. must draw out the folding of shank rivel the outside of diaper and adjust taking a lot of trouble when causing the wearing diaper when dressing diaper to the child.
In addition, show to disclose a kind of disposable diaper in 2002-522117 communique and the Te Biao 2003-513708 communique, wherein, be positioned near the end in the width outside that the outermost leg elastic members of diaper width is configured in leg flap parts the spy.In the diaper of this structure,, therefore do not have or almost do not form folding in the outside of leg flap parts because leg elastic members is configured near the end in the width outside of leg flap parts.So when dressing diaper to the child, the folding inboard that can not enter into diaper of the shank rivel in the leg flap parts of diaper need not be adjusted around the lower limb when dressing diaper, so can promptly dress.And it is slender that outward appearance also becomes, and increases attractive in appearance.
In addition, in the disposable diaper that the spy shows to put down in writing in 2002-522117 communique and the Te Biao 2003-513708 communique, go up joint at the upper surface (skin contact one side) of shank rivel other sheet material is arranged, the shank rivel can directly not contact with the skin of wearer, thus directly contact the skin feel that causes because of shank rivel and skin not goodly obtained solution.
But for the disposable diaper of said structure, expectation further improves the skin feel of leg flap parts.
Summary of the invention
Therefore, the objective of the invention is: provide for disposable diaper, can further improve the disposable diaper of the skin feel of leg flap parts with the leg flap parts that constitutes by the upper surface of cover sheets covering shank rivel.
The present invention has realized above-mentioned purpose by following disposable diaper is provided.Described disposable diaper has face sheet, back-sheet and the absorber between two sheet materials, both sides along the length direction of this absorber are provided with the pair of leg alar part, wherein said leg flap parts is made of shank rivel and cover sheets in crotch portion at least, described cover sheets is bonded on the upper surface of this shank rivel and covers this upper surface by upper bond portion, the end in the end in the width outside of described shank rivel and the width outside of described cover sheets is roughly concordant, described shank rivel forms sheet material by the shank rivel and forms from clamping broad ways many leg elastic members arranged side by side up and down, the outermost described leg elastic members that is configured in width is configured near the end in a pair of described leg flap parts width outside separately or its, and the end in the width outside of described upper bond portion is positioned at than the outermost described leg elastic members that is configured in width more by on the position of width inboard.
Description of drawings
Fig. 1 is the axonometric chart of the 1st embodiment under naturalness of disposable diaper of the present invention.
Fig. 2 is the expansion plane graph of disposable diaper under tense situation of the 1st embodiment.
Fig. 3 (a) is the constructed profile of III-III section shown in Figure 2.Fig. 3 (b) is the partial enlarged drawing of Fig. 3 (a).
Fig. 4 is the local amplification profile (corresponding diagram of Fig. 3 (b)) that schematically illustrates the leg flap parts in the 2nd embodiment of disposable diaper of the present invention.
Fig. 5 (a) is the constructed profile (corresponding diagram of Fig. 3 (a)) of the 3rd embodiment of disposable diaper of the present invention.Fig. 5 (b) is the partial enlarged drawing (corresponding diagram of Fig. 3 (b)) of Fig. 5 (a).
Fig. 6 is the local amplification profile (corresponding diagram of Fig. 3 (b)) that schematically illustrates the leg flap parts in the 4th embodiment of disposable diaper of the present invention.
Fig. 7 is the local amplification profile (corresponding diagram of Fig. 3 (b)) that schematically illustrates the leg flap parts in the 5th embodiment of disposable diaper of the present invention.
Fig. 8 is the local amplification profile (corresponding diagram of Fig. 3 (b)) that schematically illustrates the leg flap parts in the 6th embodiment of disposable diaper of the present invention.
Fig. 9 is the local amplification profile (corresponding diagram of Fig. 3 (b)) that schematically illustrates the leg flap parts in other embodiment of disposable diaper of the present invention.
Figure 10 (a) is the constructed profile (corresponding diagram of Fig. 3 (b)) of the 7th embodiment of expression disposable diaper of the present invention.Figure 10 (b) is the constructed profile in the width outside of drosal part.
The specific embodiment
Below, with reference to the preferred embodiment (1st of accompanying drawing to disposable diaper of the present invention
Embodiment) describes.
The disposable diaper 1 of the 1st embodiment is the flat type disposable diaper that the child uses, and shown in Fig. 1~Fig. 3 (b), it has face sheet 2, back-sheet 3 and the absorber 4 between two sheet materials 2,3.The downside of sheet material 3 is provided with the outermost outer layer sheet 8 of non-contact skin one side that forms disposable diaper overleaf.On the 4A of the length direction both sides of absorber 4, alongst both sides 4A is provided with pair of leg alar part 5,5.
Back-sheet 3 has the profile of the hourglass shape consistent with the outer shape of disposable diaper with outer layer sheet 8.The end 8A in the width outside of the end 3A in the width of back-sheet 3 outside and outer layer sheet 8 stretches out to the width outside from the end 2A in the width outside of face sheet 2 respectively.
In addition, when mentioning " length direction " and " width ", be meant " length direction of disposable diaper " and " width of disposable diaper " respectively.When mentioning " upper surface " and " lower surface ", be meant " skin contact (face of a side) " and " non-skin contact (face of a side) " respectively.
As face sheet 2, back-sheet 3, absorber 4 and outer layer sheet 8, can use normally used in the art material, be not particularly limited.
As face sheet 2, can use the material of liquid permeability, for example can use various non-woven fabrics and the perforated film of implementing hydrophilicity-imparting treatment.
As back-sheet 3, can use the material of liquid impermeability or water proofing property, for example can use the layered product of thermoplastic resin membrane and this thin film and non-woven fabrics, also can use material with water vapo(u)r transmission.
As absorber 4, can use the material of liquid retainability, for example can use the bulk paper pulp fibres and the fiber laminate layers that obtains, by with the material that non-woven fabrics constituted of paper pulp fiber as raw material.
As outer layer sheet 8, can use employed non-woven fabrics in absorbent commodities such as disposable diaper in the past, be not particularly limited, for example: spun bond nonwoven fabric, spunbond-as to melt and spray-spun bond nonwoven fabric, spunbond-as melt and spray-to melt and spray-spun bond nonwoven fabric, needle point method non-woven fabrics, jet net-spraying method non-woven fabrics, hot blast method non-woven fabrics, hot-rolling method non-woven fabrics etc.
Leg flap parts 5 is made of shank rivel 51 and cover sheets 62 at the A of crotch portion at least, and described cover sheets 62 is bonded on the upper surface of this shank rivel 51 and covers this upper surface by upper bond portion 71.
Leg flap parts 5 is meant that the end in the width outside of the product from the length direction central part of product is to the zone of the fore-and-aft direction the end 4A in the width outside of absorber 4.The A of crotch portion is meant the zone that is configured in the crotch portion of wearer (person of being worn) when dressing diaper, and it is meant the zone between the flank section 91,91 (back narration) of the flank section 91,91 (back narration) of dorsal part and veutro in the present embodiment.Drosal part B and the C of veutro portion are meant the zone of backrest side and veutro more respectively than the A of crotch portion.
Shank rivel 51 is to form sheet material 8 by the shank rivel to form from clamping broad ways many leg elastic members 52,52,52 arranged side by side up and down.Leg elastic members 52 in the present embodiment has the form of wire, with end (free end) the 5A almost parallel in the width of leg flap parts 5 outside disposed 3.Among broad ways many leg elastic members 52,52,52 arranged side by side, the outermost leg elastic members 52A that is configured in width is configured near the end 5A in the pair of leg alar part 5 width outside separately or its.Therefore, in the outside that is configured in the outermost leg elastic members 52A of width, do not have or almost do not form the folding of shank rivel 51.
" be configured in the end in the width outside of leg flap parts " and be meant that being configured in apart from the end 5A outside the width of leg flap parts 5 is that 2mm is with interior zone." be configured near the end in the width outside of leg flap parts " and be meant, be configured in apart from the end 5A in the width outside of leg flap parts 5 for above 2mm but at 5mm with interior zone.In the present embodiment, the outermost leg elastic members 52A that is configured in width is configured in the 5A place, end in the width outside of leg flap parts 5.
The shank rivel form sheet material by from described outer layer sheet 8, particularly, form from the zone that the end 4A in the width outside of the absorber 4 of outer layer sheet 8 stretches out to the width outside.
Shank rivel formation sheet material 8 is turned back by upper surface one lateral width direction inboard in the width outside and forms 2 layer regions 82, and clamping has leg elastic members 52 in 2 layer regions 81.The width of 2 layer regions 82 for example is 15~50mm.In addition, 1 layer region that the shank rivel is formed in the sheet material 8 is called " 1 layer region 81 ".
In shank rivel 51, back-sheet 3 forms between the 82A of lower floor and leg elastic members 52 of 2 layer regions 82 in the sheet material 8 between the shank rivel.The end 3A in the width outside of back-sheet 3 is positioned at the position of more leaning on the width outside than the outermost leg elastic members 52A that is configured in width, is preferably placed at the position of more depending on the width outside 1~5mm.Like this, by making back-sheet 3 in shank rivel 51, thereby the anti-leakage of leg flap parts 5 is improved.
Form the inside of 2 layer regions 82 of sheet material 8 at the shank rivel, the shank rivel forms sheet material 8 and back-sheet 3 does not engage in fact, but engages by known engagement means such as bonding agents between leg elastic members 52 and shank rivel formation sheet material 8 and the back-sheet 3.
On the upper surface of shank rivel 51, engage and cover sheets 62 is arranged to cover this upper surface.Shank rivel 51 and cover sheets 62 engage by upper bond portion 71.
The end 71A in the width outside of upper bond portion 71 is positioned at the position of more leaning on the width inboard than the outermost leg elastic members 52A that is configured in width.The end 71A in the width of upper bond portion 71 outside and width interval W1 (with reference to Fig. 3 (b)) between the outermost leg elastic members 52A that is configured in width are preferably 1~20mm, more preferably 1~10mm.
In the shank rivel 51 and cover sheets 62 that engage by upper bond portion 71, the end 62A in the end 51A in the width outside of shank rivel 51 and the width outside of cover sheets 62 is roughly concordant." roughly concordant " is meant, the position skew of the width between the end 62A in the end 51A in the width outside of shank rivel 51 and the width outside of cover sheets 62 is in 10mm.
Upper bond portion 71 can be on in-plane forms continuously, also can discontinuous formation on in-plane, but from the viewpoint of the flexibility of the simplicity of painting process and dry back shank rivel 51, preferably discontinuous formation on in-plane.As discrete coating shape on in-plane, can list for example helical form, strip, netted, point-like.Successive coating shape on in-plane (so-called whole coating) can be coated with by the contact as the coating machine mode and form, and in addition, also can be coated with by the atomizing of seamless in fact unoccupied place as slot (slot) mode and forms.In addition,, can on in-plane, form discrete coating shape (some shape), in addition, also can on in-plane, form successive coating shape (whole coating) according to spray condition by the atomizing coating.
On the upper surface of face sheet 2, be provided with a pair of three-dimensional rivel 6,6 along the length direction both sides 4A of absorber 4.Cover sheets 62 by form from this solid rivel the sheet material of usefulness, particularly, form the zone that the end 4A in the width outside of the absorber 4 the sheet material of usefulness stretches out to the width outside from three-dimensional rivel and form.
In the present embodiment, three-dimensional rivel 6 forms in the following manner: disposed the elastomeric element 61 of the three-dimensional rivel formation usefulness of 2 wire with the free end almost parallel ground of three-dimensional rivel 6, and this elastomeric element 61 is clamped near the end of width inboard of cover sheets 62 or its, thereby forms three-dimensional rivel 6.
In addition, each three-dimensional rivel 6 is lied down on face sheet 2 under tense situation, but in Fig. 3 (a), for simplicity, uses the state that erects with respect to face sheet 2 to represent.
Cover sheets 62 runs through length direction linearity ground by cardinal extremity junction surface 73 and engages with the upper surface of the end 2A in the width outside of face sheet 2.Therefore, shank rivel 51 engages with face sheet 2 by three-dimensional rivel 6.
Three-dimensional rivel 6 is positioned at than cardinal extremity junction surface 73 and more leans on the width area inside of diaper to be bonded on the face sheet 2 in drosal part B and the C of veutro portion.
In addition, use Fig. 3 (a) and figure (b) that the structure on the right side of disposable diaper 1 is illustrated, and the left side of disposable diaper 1 also have same structure.
As depicted in figs. 1 and 2, in a pair of three-dimensional rivel 6,6, an end of its length direction is engaged in respectively on the drosal part B, and another end of its length direction is engaged in respectively on the C of veutro portion.
In addition, be respectively arranged with flaky waist elastomeric element (not shown) on the waist D among drosal part B and the C of veutro portion, form the waist rivel by this waist elastic members.
Both ends outside the width of drosal part B are formed with the flank section 91,91 of stretching out to the outside of width respectively.Restraint zone 92 stretches out outside width and is installed on each flank section 91.The hook part 93 of mechanical fastener (mechanical fastener) is installed on the restraint zone 92.As hook part 93, can use known product in this technical field, be not particularly limited.
Also be formed with the flank section 91,91 of stretching out respectively to the outside of width in the both sides of the C of veutro portion.The outer surface of the back-sheet 3 among the C of veutro portion (non-skin contact one side) be provided with can be freely the fixing adhesion zone of the hook part 93 of restraint zone 92 (landing tape) (not shown).
As shown in Figure 1, disposable diaper 1 is in naturalness following time, and the contractility by shank rivel in the pair of leg alar part 5,5 51,51 and a pair of three-dimensional rivel 6,6 bends towards skin contact one side." naturalness " is meant that the external force beyond the gravity does not act on the state of disposable diaper in fact.
In addition, disposable diaper 1 is in tense situation following time, as a whole, has the shape of the hourglass shape that the length direction central part tightens up." tense situation " is meant the state of contraction that produces the diaper of contraction owing to the contraction of being fixed in each elastomeric element in the diaper by elongation of having removed, in other words, be state when instigating each rivel (elastomeric element) on the length direction of diaper and width, to be elongated to the full-size value of diaper simultaneously.
The width of leg flap parts 5 is preferably in any position of length direction all identical under the tense situation of diaper, particularly, is preferably 10~70mm, is preferably 20~50mm especially.The length of the A of crotch portion is preferably 50~350mm under the tense situation of diaper, more preferably 100~250mm.
According to the disposable diaper 1 of the 1st embodiment that constitutes as mentioned above, owing to be provided with cover sheets 62 in skin contact one side of leg flap parts 5, so shank rivel 51 is difficult for directly contacting with the skin of wearer.In addition, between the shank rivel 51 and cover sheets 62 in leg flap parts 5, the end 5A in the width outside and near do not have upper bond portion 71, but formed air layer, so be softish near the end 5A in the width of leg flap parts 5 outside.
Moreover, in shank rivel 51, it is little that the outermost leg elastic members 52A that is configured in width is subjected to the inflexible influence of upper bond portion 71, therefore with because upper bond portion 71 and overslaugh is compared to the leg elastic members 52 of the width inboard of tracing ability, flexible response is good, and tracing ability is good.Because above-mentioned synergy, leg flap parts 5 can gently contact the skin of wearer, and skin feel is good, and the skin of can fitting, and anti-leakage is also high.
In addition, leg elastic members 52 is clamped in the shank rivel and forms in 2 layer regions 82 that turn back in the sheet material 8, so leg elastic members 52 can not come off from the end 51A outside the width of shank rivel 51.In addition, because the end 51A that there is no need outside the width of shank rivel 51 is provided with the junction surface, so the end 51A in the width of shank rivel 51 outside is soft and soft.
Below, describe with reference to accompanying drawing other embodiment disposable diaper of the present invention.For other embodiment, be that the center describes with the point different with the 1st embodiment.Point as for not having to specify can suitably be suitable for the explanation of carrying out with regard to the 1st embodiment.Identical parts are with identical symbolic representation.
The disposable diaper 1 of the 2nd embodiment as shown in Figure 4, compare with the 1st embodiment, be not configured in the end 5A (the end 51A in the width outside of shank rivel 51) in the width outside of leg flap parts 5 at the leg elastic members 52A of the outermost of width configuration, but be configured in end 5A neighbouring (apart from end 5A for surpassing 2mm but at 5mm with interior zone).Other structure has the structure identical with the disposable diaper 1 of the 1st embodiment.
According to the disposable diaper 1 of the 2nd embodiment that constitutes as mentioned above, can play the effect same with the disposable diaper 1 of the 1st embodiment.And then, in shank rivel 51, at the end 51A in its width outside be configured between the outermost leg elastic members 52A of width and can form air layer, therefore the end 51A in the width of shank rivel 51 outside does not become one, body fluid is not easy to ooze out quickly in the 51A of end, the anti-leakage height.
In addition, the part of the skin of the easiest contact wearer is that the end 5A in the width outside is not easy hardening, end 5A mildly with contact skin because unplessantness displeasure such as the thick and stiff pain of bringing of end 5A and sense of discomfort are eliminated.
Moreover because the contraction of the width area inside of shank rivel 51, the zone in the width outside of shank rivel 51 forms bigger shirred (shirring), can mildly encase the skin of wearer.
The disposable diaper 1 of the 3rd embodiment is shown in Fig. 5 (a) and Fig. 5 (b), and the roughly whole zone with the opposed zone of the lower surface of back-sheet 3 (remove in the outer layer sheet 8 the upper strata 82B of 2 layer regions 82 after zone) in the upper surface of the lower surface of back-sheet 3 and outer layer sheet 8 is joined together by lower bond portion 72.In addition, in the A of crotch portion, the end 72A in the width of lower bond portion 72 outside be positioned at the inboard width outside with shank rivel 51 of width end 51A distance 1~20mm, be preferably on the position of 1~10mm." roughly whole zone " is meant the meaning that runs through whole zone as a whole, for example, even the discrete coating as the coating of helical form and strip comes coating adhesive if spread all over the integral body of dispensing area, then meet " running through roughly whole zone ".Other structure has the structure identical with the disposable diaper 1 of the 1st embodiment.
According to the disposable diaper 1 of aforesaid the 3rd embodiment, can play the effect same with the disposable diaper 1 of the 1st embodiment.And then back-sheet 3 and outer layer sheet (shank rivel form sheet material) 8 become one by lower bond portion 72, on the other hand, since the rigidity of lower bond portion 72, the easy hardening of non-skin contact one side of disposable diaper.But, at least in shank rivel 51, air layer can be formed between the end 72A in the width outside of the end 51A in its width outside and lower bond portion 72, therefore the advantages of good skin sense of touch can be guaranteed for the end 51A outside the width of shank rivel 51.
In addition, it is little that the outermost leg elastic members 52A that is configured in width is subjected to the inflexible influence of lower bond portion 72, therefore compares with other leg elastic members 52, and flexible response is good, and tracing ability is good.
The disposable diaper 1 of the 4th embodiment as shown in Figure 6, the end 3A in the width of back-sheet 3 outside and the end 51A in the width of shank rivel 51 outside leave, and roughly concordant with the end 72A outside the width of lower bond portion 72.Other structure has the structure identical with the disposable diaper 1 of the 3rd embodiment shown in Fig. 5 (a).
According to the disposable diaper 1 of the 4th embodiment that constitutes as mentioned above, can play the effect identical with the disposable diaper 1 of the 3rd embodiment.And then, the shank rivel forms the regulation zone (forming the zone of the upper strata 82B of 2 layer regions 82) of sheet material 8 and goes back to upper surface one side, when forming shank rivel 51, the end 3A in the width outside of back-sheet 3 can not get on by a roll set, the situation of the end 51A hardening in the width outside of the shank rivel 51 that can not take place to cause therefrom.
The disposable diaper 1 of the 5th embodiment as shown in Figure 7, same with the 2nd embodiment shown in Figure 4, be configured in neighbouring (is with interior zone above 2mm but at 5mm apart from end 5A) that the outermost leg elastic members 52A of width is configured in the end 5 (the end 51A in the width outside of shank rivel 51) in the width outside of leg flap parts 5.Other structure has the structure identical with the disposable diaper 1 of the 3rd embodiment shown in Fig. 5 (a).
According to the disposable diaper 1 of the 5th embodiment that constitutes as mentioned above, can play the effect identical with the disposable diaper 1 of the 3rd embodiment.And then same with the 2nd embodiment, in shank rivel 51, the end 51A in its width outside and be configured between the outermost leg elastic members 52A of width and can form air layer can play and the 2nd thus
The effect that embodiment is same.
The disposable diaper 1 of the 6th embodiment as shown in Figure 8, and is same with the 4th embodiment shown in Figure 6, and the end 51A in the end 3A in the width outside of back-sheet 3 and the width outside of shank rivel 51 leaves.Other structure has the structure identical with the disposable diaper 1 of the 5th embodiment shown in Figure 7.
According to the disposable diaper 1 of the 6th embodiment that constitutes as mentioned above, can play the effect identical with the disposable diaper 1 of the 5th embodiment.And then, same with the 4th embodiment, the end 51A in the end 3A in the width outside of back-sheet 3 and the width outside of shank rivel 51 leaves, therefore, the end 3A in the width outside of back-sheet 3 can not get on by a roll set, can play the effect identical with the 4th embodiment thus.
The disposable diaper 1 of the 7th embodiment is compared with the 1st embodiment shown in Figure 10 (a), and upper bond portion 71 is made of the outer side engagement portion 71C of side engagement portion 71B in zonal and pearl (successive in the longitudinal direction wire).The width outside of outer side engagement portion 71C and interior side engagement portion 71B is left with predetermined distance.The width of interior side engagement portion 71B is preferably 10~30mm, and the width of outer side engagement portion 71C is preferably 0.5~3mm.That is, the upper bond portion 71 in the 7th embodiment interior side engagement portion 71B and outside have zonal disengaged zone between the side engagement portion 71C, put with regard to this, on in-plane, have discrete coating shape as a whole.In addition, in Figure 10 (a) and Figure 10 (b), schematically illustrated the state that cover sheets 62, upper bond portion 71 and shank rivel 51 leave respectively on thickness direction.
During side engagement portion 71B, it can have successive coating shape on in-plane, also can have discrete coating shape on in-plane in only being conceived to.The coating shape of interior side engagement portion 71B can suitably adopt the coating shape (a for example whole coating, point-like, helical form) of above-mentioned upper bond portion 71.
In addition, shown in Figure 10 (b), in the width of the drosal part B outside, the width area inside in the formation material of flank section 91 from the width outside towards the width inboard, cover sheets 62 and outside between the side engagement portion 71C, pass between interior side engagement portion 71B and the shank rivel 51 and be adapted to the S shape.
Other structure has the structure identical with the disposable diaper 1 of the 1st embodiment.
According to the disposable diaper 1 of the 7th embodiment that constitutes as mentioned above, can play the effect identical with the disposable diaper 1 of the 1st embodiment.In addition, upper bond portion 71 is made of the outer side engagement portion 71C of side engagement portion 71B in zonal and pearl, therefore in the width inboard, can engage with firm engaging force by interior side engagement portion 71B, in the outside of width, can mildly engage with less bonding agent simultaneously by outer side engagement portion 71C.
Disposable diaper of the present invention is not limited to each above-mentioned embodiment, only otherwise exceed aim of the present invention, just can suitably change.
For example, the structure in each also can appropriate combination above-mentioned embodiment.
The shank rivel is so long as form sheet material by the shank rivel and form from clamping broad ways many leg elastic members arranged side by side up and down and get final product, to its structure without limits.
For example, also can be the shank rivel be formed sheet material and turn back from lower surface one lateral width direction inboard and form 2 layer regions, leg elastic members is clamped in 2 layer regions that form as mentioned above, thereby forms the shank rivel in the width outside.
In addition, the shank rivel forms sheet material 8 also can be as shown in Figure 9,2 sheet materials are engaged by the end 8A of engaged at end portion 74 in their the width outside form 2 layer regions 82, clamping leg elastic members 52 in 2 layer regions 82 that form like this and constitute shank rivel 51.
The shank rivel forms sheet material and also can can't help outer layer sheet and form, and for example can be formed by back-sheet.
Cover sheets also can be can't help the sheet material that three-dimensional rivel forms usefulness and be formed, and for example can be formed by face sheet, in addition, can be formed other sheet materials in addition such as the sheet material of usefulness or face sheet by three-dimensional rivel and form.
The elastomeric element of leg elastic members, three-dimensional rivel formation usefulness, the bar number of waist elastic members, shape etc. can suitably change.
The invention is not restricted to the disposable diaper that the child uses, also go for the disposable diaper of big human.In addition, be not limited to the disposable diaper of deploying type, also go for the disposable diaper of Briefs type.
According to disposable diaper of the present invention, for disposable diaper, can further improve the skin feel of leg flap parts with the leg flap parts that constitutes by the upper surface of cover sheets covering shank rivel.

Claims (8)

1, a kind of disposable diaper, it has face sheet, back-sheet and the absorber between two sheet materials, both sides along the length direction of this absorber are provided with the pair of leg alar part, wherein, described leg flap parts is made of shank rivel and cover sheets in crotch portion at least, described cover sheets is bonded on the upper surface of this shank rivel and covers this upper surface by upper bond portion, the end in the width outside of described shank rivel is roughly concordant with the end outside the width of described cover sheets; Described shank rivel forms sheet material by the shank rivel and forms from clamping broad ways many leg elastic members arranged side by side up and down; The outermost described leg elastic members that is configured in width is configured near the end in a pair of described leg flap parts width outside separately or its; The end in the width outside of described upper bond portion is positioned at than the outermost described leg elastic members that is configured in width more by on the position of width inboard.
2, disposable diaper as claimed in claim 1, wherein, described shank rivel formation sheet material turns back from upper surface one lateral width direction inboard in the width outside and forms 2 layer regions, and described leg elastic members is clamped in this 2 layer region.
3, disposable diaper as claimed in claim 1 or 2, wherein, described shank rivel formation sheet material is formed by the outermost outer layer sheet of non-skin contact one side that forms disposable diaper.
4, disposable diaper as claimed in claim 2, wherein, between the lower floor and described leg elastic members of described 2 layer regions of described back-sheet in described shank rivel, the end in the width of the described back-sheet outside is positioned at than the outermost described leg elastic members that is configured in width more by on the position outside the width.
5, disposable diaper as claimed in claim 1 or 2 wherein, on the upper surface of described face sheet, is provided with three-dimensional rivel along the length direction both sides of described absorber; Described cover sheets is formed with sheet material by described three-dimensional rivel and forms.
6, disposable diaper as claimed in claim 1 or 2, wherein, the end in the width of the described upper bond portion outside and the width that is configured between the outermost described leg elastic members of width are spaced apart 1~20mm.
7, disposable diaper as claimed in claim 1 or 2, wherein, the discontinuous formation on in-plane of described upper bond portion.
8, disposable diaper as claimed in claim 3, wherein, roughly whole zone with the opposed zone of lower surface of described back-sheet in the lower surface of described back-sheet and the upper surface of described outer layer sheet is joined together by lower bond portion, in described crotch portion, the end in the width outside of described lower bond portion is positioned on the distance position of 1~20mm, end in the inboard width outside with described shank rivel of width.
CN2006101515123A 2005-10-06 2006-09-12 Disposable napkin Expired - Fee Related CN1943529B (en)

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JP2005293158A JP4522351B2 (en) 2005-10-06 2005-10-06 Disposable diapers

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Cited By (5)

* Cited by examiner, † Cited by third party
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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4950718B2 (en) * 2007-03-23 2012-06-13 花王株式会社 Disposable diapers
JP5319215B2 (en) * 2008-09-04 2013-10-16 大王製紙株式会社 Tape-type disposable diaper
US8795250B2 (en) 2010-03-30 2014-08-05 First Quality Baby Products, Llc Absorbent article having leg cuffs
JP6495765B2 (en) 2015-06-30 2019-04-03 ユニ・チャーム株式会社 Disposable diapers
JP6370344B2 (en) * 2016-07-28 2018-08-08 花王株式会社 Disposable diapers

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2812732B2 (en) * 1989-08-24 1998-10-22 トーヨー衛材株式会社 Disposable diaper and manufacturing method thereof
FR2683994B1 (en) * 1991-11-22 1999-03-05 Peaudouce DISPOSABLE ABSORBENT HYGIENE ITEM SUCH AS DIAPER, WITH IMPROVED SIDE BARRIER EFFECT
US5540671A (en) * 1993-06-10 1996-07-30 The Procter & Gamble Company Absorbent article having a pocket cuff with an apex
JP2774441B2 (en) * 1993-12-16 1998-07-09 トーヨー衛材株式会社 Disposable pants
US6120486A (en) * 1995-10-05 2000-09-19 Kao Corporation Disposable diaper with three dimensional gathers
JPH09122176A (en) * 1995-10-31 1997-05-13 Kao Corp Disposable diaper
US5993433A (en) * 1997-10-20 1999-11-30 Kimberly-Clark Worldwide, Inc. Absorbent article with enhanced elastic design for improved aesthetics and containment
WO1999053878A1 (en) * 1998-04-23 1999-10-28 The Procter & Gamble Company Disposable absorbent article having reinforced ear panels
JP3878367B2 (en) * 1999-09-22 2007-02-07 大王製紙株式会社 Pants-type disposable paper diapers
JP4159240B2 (en) * 1999-11-10 2008-10-01 花王株式会社 Absorbent articles
DE60038972D1 (en) * 1999-11-10 2008-07-03 Kao Corp ABSORBENT ARTICLE
CA2291571C (en) * 1999-12-03 2008-02-12 First Quality Enterprises, Inc. Disposable elastic absorbent article having retaining enclosures
JP2001212176A (en) * 2000-02-07 2001-08-07 Toyo Eizai Corp Disposable diapers
JP4130057B2 (en) * 2000-09-25 2008-08-06 花王株式会社 Absorbent articles
JP4064698B2 (en) * 2002-03-26 2008-03-19 大王製紙株式会社 Disposable absorbent article
JP3947715B2 (en) * 2003-02-05 2007-07-25 大王製紙株式会社 Disposable diapers
JP4059814B2 (en) * 2003-07-31 2008-03-12 花王株式会社 Disposable diapers

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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TWI780349B (en) * 2018-07-31 2022-10-11 日商大王製紙股份有限公司 disposable clothing
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TWI384970B (en) 2013-02-11
TW200722063A (en) 2007-06-16
CN1943529B (en) 2012-04-18
JP2007097920A (en) 2007-04-19

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