CN115350003B

CN115350003B - Skirt-type absorbent article and preparation method thereof

Info

Publication number: CN115350003B
Application number: CN202211045455.6A
Authority: CN
Inventors: 吴明辉; 汤国开
Original assignee: Hengan Fujian Holding Group Co Ltd; Fujian Hengan Household Life Article Co Ltd; Hengan China Hygiene Products Co Ltd
Current assignee: Hengan Fujian Holding Group Co Ltd; Fujian Hengan Household Life Article Co Ltd; Hengan China Hygiene Products Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-05-02
Anticipated expiration: 2042-08-30
Also published as: CN115350003A

Abstract

The invention relates to the field of disposable sanitary products, in particular to a preparation method of a skirt-type absorbent article, which comprises the following steps of: a. taking a hydrophilic non-woven fabric I, and cutting the hydrophilic non-woven fabric I along the middle part of the hydrophilic non-woven fabric I in the width direction to form two continuously conveyed front pieces and two continuously conveyed rear pieces respectively; b. taking a continuously conveyed elastic non-woven fabric, symmetrically and continuously cutting at two sides of the transverse width of the elastic non-woven fabric, forming two cuts by single cutting, and turning up or turning down and folding up and fixing the part between the two cuts in the length direction; c. b, compounding a layer of continuously conveyed water-repellent layer at the lower end of the elastic non-woven fabric; d. and c, cutting the product obtained in the step c into single products, and carrying out equidistant continuous compounding on each product, the front piece and the rear piece along the width direction of the product obtained in the step a after the product is turned, so as to obtain a continuous garment layer. The invention solves the problems of high production difficulty and poor three-dimensional property of the existing skirt-type absorbent article.

Description

Skirt-type absorbent article and preparation method thereof

Technical Field

The invention relates to the field of disposable sanitary products, in particular to a skirt-type absorbent article and a preparation method thereof.

Background

Consumers increasingly pay attention to the appearance of absorbent articles, and accordingly design product structures with different shapes and appearances, such as menstrual pants, skirt-type diapers or other novel appearance type absorbent article structures. The utility model provides an there is skirt-type structure's absorbent article among the prior art, specifically is a skirt-type pull-up pants of chinese patent application CN 109498279a of application day for 2018 11 month 05 day, including front bezel, back part, connect the absorber between front bezel and back part, still be attached to one deck permeable surface course on the absorber, be provided with the rubber band more than two on the left and right sides of permeable surface course in order to form the leg girth, be equipped with a preceding soft surface course on the position that is located the waistline on the medial surface of front bezel, be equipped with a back soft surface course on the position that is located the waistline on the medial surface of back part, the week side and the front bezel bonding of preceding soft surface course, the week side and the back part bonding of back soft surface course.

Structurally, the front piece and the rear piece are formed to cover the skirt structure of the absorber, and the structure can not form larger pressure on the leg circumference and crotch of the infant, so that the infant has good comfort, the probability of leg tightening marks is reduced, and the freedom of movement is also provided.

However, the absorber can expand after absorbing liquid, but the absorber is not supported by the crotch position after wearing, so that the absorber is easy to fall down to influence the appearance, and the phenomenon of liquid leakage is easy to occur after falling down;

in view of this phenomenon, as shown in chinese patent application CN 112957179A, a skirt-type absorbent article includes an absorbent body and an outer layer, the outer layer is a skirt-type structure formed by compounding an inner liner layer and an outer cover layer, and two longitudinal ends of the absorbent body are connected with a front waist region and a rear waist region of the outer layer; the absorption body sequentially comprises a skin-sticking layer, an absorption layer and a breathable bottom layer, wherein side leakage prevention layers higher than the skin-sticking layer are arranged on two sides of the skin-sticking layer; the crotch position of the absorbent body, the front waist region and the back waist region of the outer layer are all provided with elastic stretch materials. From the product structure, this technical scheme pertinence all set up the elasticity tensile material in preceding waist district, back waist district and lower gear position, and the elastic material purpose in lower gear position also is to avoid the whereabouts, guarantees the lifting effect after three-dimensional and imbibition.

But from the product, the independent short rubber band structure at the lower gear position is structurally arranged on the absorption body and is not mutually jointed with the outer layer structure, so that the two ends of the rubber band are not supported, and the rubber band still falls down after absorbing liquid, and the lifting effect is not obvious;

from the production perspective, the rubber band at the lower gear position exists independently, the length is shorter, and the positioning, applying and shaping have larger production difficulty; the number of the used rubber bands is large by combining the rubber band treatment of the front waist region and the rear waist region, and if the situation of broken lines and the like occurs in production, the waste sheet rate is high, so that the maturity of the production process is very tested.

Disclosure of Invention

Therefore, the invention provides a skirt-type absorbent article, and shows a preparation method thereof, which solves the problems of high production difficulty and poor three-dimensional property of the existing skirt-type absorbent article.

In order to achieve the above purpose, the invention is realized by the following technical scheme:

the skirt-type absorbent article comprises an outer clothing layer, an absorber and a liquid permeable surface layer, wherein the outer clothing layer comprises a front piece, a rear piece and elastic non-woven fabrics connected with the front piece and the rear piece, the lower end face of the elastic non-woven fabrics is adhered with a water repellent layer, the transverse two sides of the front piece and the rear piece are fixedly connected, the longitudinal lower end edge of the front piece and the rear piece is a free end, the elastic non-woven fabrics are in an I-shaped structure when unfolded, the elastic non-woven fabrics are provided with transverse ends connected to the front piece and the rear piece and longitudinal ends connected with the two transverse ends, and the longitudinal end positions are folded by the elastic non-woven fabrics to form a double-layer or three-layer elastic structure; the absorber is fixedly arranged at the longitudinal end; the liquid permeable surface layer is attached to the upper surface of the absorber and connected with two transverse ends.

Preferably, the area of said lateral ends attached to the back panel is larger than the area of said lateral ends on the front panel.

Preferably, the longitudinal lower ends of the front and rear panels are straight lines or wavy lines or folding lines.

The preparation method of the skirt-type absorbent article comprises the steps of preparing an outer clothing layer, preparing an absorber, preparing a liquid-permeable surface layer, compounding the outer clothing layer, the absorber and the liquid-permeable surface layer, and then slitting and forming to obtain a single absorbent article, wherein the outer clothing layer comprises the following steps:

a. taking a hydrophilic non-woven fabric I, and cutting the hydrophilic non-woven fabric I along the middle part of the hydrophilic non-woven fabric I in the width direction to form two continuously conveyed front pieces and two continuously conveyed rear pieces respectively;

b. taking a continuously conveyed elastic non-woven fabric, symmetrically and continuously cutting at two sides of the transverse width of the elastic non-woven fabric, forming two cuts by single cutting, and turning up or turning down and folding up and fixing the part between the two cuts in the length direction;

c. b, compounding a layer of continuously conveyed water-repellent layer at the lower end of the elastic non-woven fabric;

d. and c, cutting the product obtained in the step c into single products, and carrying out equidistant continuous compounding on each product with the front and back sheets along the width direction of the product obtained in the step a after the product is turned to obtain a continuous garment layer.

Preferably, the step b is processed by a forming device, the forming device comprises a frame, an unreeling mechanism for unreeling elastic non-woven fabrics, a cutter roller assembly for forming a notch, a turnover assembly for turning up or down materials and a plurality of guide rollers for guiding the materials are sequentially arranged on the frame, the turnover assembly comprises an adsorption groove and a turnover plate, an adsorption area of the adsorption groove is positioned at the width position of the notch on two sides of the materials, so that the part between the notches is separated from the notch and is tilted upwards or tilted downwards, and the turnover plate is arranged on two sides of the materials.

Preferably, the whole spiral structure that is of turnover plate is horizontal input port, spiral direction section, slope pressfitting section in proper order along the direction of delivery of material.

Preferably, a sizing mechanism for sizing materials is further arranged between the turnover assembly and the cutter roller assembly.

Preferably, in the step b, the two incisions are folded up or down in the length direction and are overlapped after being fixed.

Preferably, in the step b, the two incisions have a symmetrical or asymmetrical straight line or arc structure.

Preferably, between the step a and the step b, the method further includes a step a1: and applying elastic rubber strings on the opposite sides of the cutting positions of the front sheet and the rear sheet, and folding the applying area downwards or upwards and inwards, wherein the distance between the applying area and the end parts of the two ends is 20-50 mm.

Preferably, in the step c, the width of the water-repellent layer is not smaller than the width between the incisions on both sides in the width direction of the elastic nonwoven fabric in the step b, and the water-repellent layer is formed by compounding a water-repellent layer and at least two layers of nonwoven fabrics.

Preferably, the compounding in the steps c and d adopts hot melt adhesive or ultrasonic compounding.

Preferably, in the step a, the parting line of the front and rear panels is a straight line, a wavy line or a folding line.

By adopting the technical scheme, the invention has the beneficial effects that:

according to the technical scheme, aiming at the characteristics of the skirt-structured absorbent article, different outer clothing layer structures are designed, namely, an elastic non-woven fabric is added as a supporting structure, a water-repellent layer is arranged at the bottom of the elastic non-woven fabric to meet the requirement of impermeability, meanwhile, the upper end carries an absorber, and is connected with a front piece and a rear piece, so that the carrying performance is good, and large deformation cannot be formed after the absorber absorbs liquid;

the large-area elastic non-woven fabric covers the front waist, the lower baffle and the rear waist part, has strong wrapping property, is more fit with the human body after being worn, and ensures the fixing effect when being worn when the lower ends of the front piece and the rear piece are free from the human body;

the two sides of the elastic non-woven fabric are provided with the incisions and the parts are folded, and the position of the folding treatment is the lower gear position of the absorbent article, so that a folded two-layer or three-layer elastic supporting structure can be formed, the region with concentrated weight of the absorbent body is subjected to reinforced bearing, the three-dimensional performance after wearing is strong, and the absorbent body has a strong lifting effect after absorbing liquid; meanwhile, the structure of the elastic non-woven fabric is combined with the large-area joint of the front piece and the back piece to form different elastic sections of the front waist, the back waist and the lower gear, the lower gear area forms larger supporting force when the absorber absorbs liquid and falls down, the large-area joint structure of the front waist and the back waist part can not lead the product to form larger deformation, good appearance can be kept after absorbing liquid, the three-dimensional stability is strong, and then the liquid leakage phenomenon caused by deformation is avoided;

the lower-grade area abandons the input of the rubber band, not only saves the use of the rubber band in production, but also correspondingly simplifies production equipment and process, has good practicability, and on the appearance of the product, the lower-grade area is smooth, and no crease caused by the rubber band is formed, so that the appearance is good.

Drawings

FIG. 1 is a schematic view of a process flow for producing an absorbent article according to an embodiment of the present invention;

FIG. 2 is a schematic view of a layered structure (only layered without composite) of a lower run region of an absorbent article according to an embodiment of the present invention;

FIG. 3 is a schematic view of a molding apparatus according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating a front view of a folding assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of a single flap in an embodiment of the invention;

fig. 6 is a schematic diagram showing a molding structure of a hydrophilic nonwoven incorporating elastic in an embodiment of the present invention.

Reference numerals: 100. an absorber; 200. a liquid permeable facing; 201. leak-proof isolation edges; 10. hydrophilic non-woven fabric I; 11. a front sheet; 12. a rear sheet; 20. an elastic nonwoven fabric; 21. a notch; 22. a turnover section; 30. a molding device; 31. an unreeling mechanism; 32. a cutter roller assembly; 33. a turnover assembly; 331. an adsorption tank; 331a, an adsorption zone; 332. a folded plate is turned over; 332a, a horizontal input port; 332b, a helical guide section; 332c, inclined press-fit sections; 34. a sizing mechanism; 40. a water-repellent layer; 50. elastic rubber band.

Detailed Description

The following describes embodiments of the present invention in detail with reference to specific examples, so as to solve the technical problem by applying the technical means to the present invention, and the implementation process for achieving the technical effect can be fully understood and implemented accordingly.

Referring to fig. 1 and 2, a skirt-type absorbent article comprises an outer garment layer, an absorber 100 and a liquid permeable surface layer 200, wherein the outer garment layer comprises a front sheet 11, a rear sheet 12 and an elastic non-woven fabric 20 for connecting the front sheet 11 and the rear sheet 12, the lower end face of the elastic non-woven fabric 20 is adhered with a water repellent layer 40, the front sheet 11 and the rear sheet 12 are fixedly connected with two lateral sides, the longitudinal lower edges of the front sheet 11 and the rear sheet 12 are free ends, the longitudinal lower edges of the front sheet 11 and the rear sheet 12 are wavy lines, and the positions can be straight lines or fold lines according to different actual products, so that the appearance of the product is ensured to be attractive.

The elastic non-woven fabric 20 is in an I-shaped structure when being unfolded, and is provided with transverse ends connected to the front piece 11 and the back piece 12 and longitudinal ends connected with the two transverse ends, and the longitudinal ends are folded by the elastic non-woven fabric 20 to form a double-layer or three-layer elastic structure; the absorber 100 is fixedly arranged at the longitudinal end; the liquid-permeable surface layer 200 is attached to the upper surface of the absorbent body 100 and connects the two lateral ends. Structurally, the lower edges of the front sheet 11 and the rear sheet 12 are free end structures, so that a fixed structure does not exist between the position and the absorber 100, the front sheet 11 and the rear sheet 12 are in a skirt-like state after being jointed, the constraint of the traditional trousers-type structure (such as pull-up trousers) on the legs of a user is avoided, and the comfort is good; in contrast, in order to improve the bearing of the absorber 100, the absorber is kept three-dimensional and has good structural stability, so that a layer of elastic non-woven fabric 20 is designed on the structure connecting the front piece 11 and the rear piece 12, and a double-layer or three-layer elastic structure is designed for the bearing lower gear position of the absorber 100, so that the lower gear position has larger elasticity compared with the front waist and the rear waist, and the aim of improving the structural stability is achieved.

Structurally, the area of the lateral ends attached to the back panel 12 is larger than the area of the lateral ends on the front panel 11. The design is to conform to the ergonomic design, and the stress of the front waist and the rear hip is different, so the elasticity and the connecting structure of the absorbent article are correspondingly changed.

Referring to fig. 1 and 2, a method for preparing a skirt-type absorbent article includes preparing an outer clothing layer, preparing an absorber 100, preparing a liquid permeable surface layer 200, compounding the outer clothing layer with the absorber 100 and the liquid permeable surface layer, and then slitting and forming to obtain a single absorbent article, wherein the preparing of the outer clothing layer includes the following steps:

a. taking a hydrophilic non-woven fabric 10, and cutting the hydrophilic non-woven fabric along the middle part of the hydrophilic non-woven fabric in the width direction to form a front piece 11 and a rear piece 12 which are continuously conveyed respectively; wherein, after cutting, accessible direction makes front bezel 11 and back plate 12 both form the separation of certain distance along cutting the position on the equipment to satisfy the actual size demand of product, be convenient for follow-up folding, and also guaranteed the integrality of cutting, avoid appearing the adhesion, influence the shaping product appearance.

It should be noted that the middle position is not limited to the center line, but may be two sides of the center line, which may be changed according to the product form, for example, the back panel 12 may be correspondingly increased in area to meet the actual use requirement of the molded product, and is shown by the center line for convenience of illustration;

b. the elastic nonwoven fabric 20 which is continuously conveyed is taken, symmetrical and continuous cutting is carried out on two sides of the transverse width of the elastic nonwoven fabric, two cuts 21 are formed by single cutting, a part between the two cuts 21 in the length direction is defined as a folding section 22, and the folding section 22 is folded and fixed upwards. The position of the folded-over section 22 is here the down position of the absorbent article after shaping.

Specifically, the step b is processed by a forming device 30, as shown in fig. 3 to 5, the forming device 30 includes a frame, an unreeling mechanism 31 for unreeling the elastic nonwoven fabric 20, a cutter roller assembly 32 for forming the incision 21, a turnover assembly 33 for turning up or down the material, and a plurality of guide rollers for guiding the material are sequentially disposed on the frame, the turnover assembly 33 includes an adsorption groove 331 and a turnover plate 332, an adsorption area 331a of the adsorption groove 331 is located at a width position of the incision 21 on two sides of the material so that a portion (turnover section 22) between the incisions 21 is separated and turned up, and the turnover plate 332 is disposed on two sides of the material. As shown in fig. 5 (3 circled positions in the drawing indicate the folded state of the position), the whole turnover plate 332 has a spiral structure, and a horizontal input port 332a, a spiral guiding section 332b and an inclined pressing section 332c are sequentially arranged along the conveying direction of the material; as shown in fig. 5, the horizontal input port 332a of the turnover plate 332 is located at the outer side of the turned material, and the spiral guide section 332b forms a horizontal-gradually inclined-standing-inward bending-up to horizontal stage and is connected to the inclined pressing section 332c, and the inclined pressing section 332c is connected to the spiral guide section 332b and extends backward along the direction of the pipeline for a certain distance to press the turned material for a certain distance to avoid the reversion thereof.

Structurally, a glue applicator 34 for applying glue to the material is also provided between the folding assembly 33 and the cutter roller assembly 32. In order to ensure the stability of the upturning, a glue applying mechanism 34 is added, and a certain degree of glue is sprayed on the upper surface of the elastic non-woven fabric 20, so that the structure after the upturning is stable. The glue applicator 34 is well known to those skilled in the art and is not described in detail herein, either by spiral glue application or glue spraying, preferably at the location of the fold-over section 22, to secure the fold-over portion while avoiding contamination of the fold-over plate 332.

The form of turning up the part between the two slits 21 in the length direction is exemplified, but not limited to the form of turning up, and the form of turning down can be formed by changing the suction direction of the suction groove 331 on the turning-over assembly 33 and the position of the turning-over plate 332, which will not be described herein again.

c. Compounding a continuous water-repellent layer 40 on the lower end of the elastic nonwoven fabric 20 in the step b; specifically, in the step c, the width of the water-repellent layer 40 is not smaller than the width between the incisions 21 on both sides in the width direction of the elastic nonwoven fabric 20 in the step b (i.e., the distance between the folded sections 22 on both sides), and the water-repellent layer 40 is formed by compounding a water-repellent film and at least two layers of nonwoven fabrics. Structurally, the water-repellent layer 40 needs to cover the width of the absorbent body 100 to avoid liquid seepage of the absorbent body 100, and cannot be too wide to affect wearing comfort; the water-repellent layer 40 needs to be impermeable to liquid, and in order to improve the hand, nonwoven fabrics are added to ensure physical properties such as softness of the water-repellent layer 40.

d. And c, cutting the product obtained in the step c into single products, and carrying out equidistant continuous compounding on each product in the width direction of the product obtained in the step a and the front and

back sheets

11 and 12 after the product is turned to obtain a continuous garment layer.

Wherein, the formed coat layer is still on the assembly line, and then the absorber 100 and the liquid permeable surface layer 200 are sequentially arranged at corresponding positions and then are compounded; folding the product after compounding, and then carrying out equidistant jointing to form a skirt-shaped structure with distinct front and

back sheets

11 and 12, and cutting to obtain a single skirt-shaped absorbent article; it should be noted that the absorber 100 may be an off-line molded finished absorber 100 structure, or may be an on-line molded product.

According to the technical scheme, aiming at the characteristics of the skirt-type structural absorbent article, different outer clothing layer structures are designed, namely, the elastic non-woven fabric 20 is added as a supporting structure, the water repellent layer 40 is arranged at the bottom of the elastic non-woven fabric 20 to meet the liquid impermeability, meanwhile, the upper end carries the absorber 100, the front piece 11 and the rear piece 12 are connected, the bearing performance is good, and large deformation cannot be formed after the absorber 100 absorbs liquid.

The large-area elastic nonwoven 20 covers the front waist, the lower back and the rear waist portion, has strong wrapping property, is more fit to the human body after being worn, and ensures the fixing effect when being worn while the lower ends of the front sheet 11 and the rear sheet 12 are free from the human body.

The two sides of the elastic non-woven fabric 20 are provided with the incisions 21 and the parts are turned over, and the turning over position is the lower gear position of the absorbent article, so that a two-layer or three-layer elastic supporting structure after the folding can be formed, the area with concentrated weight of the absorber 100 is subjected to reinforced bearing, the wearing three-dimensional performance is strong, and the lifting effect is also strong after the absorber 100 absorbs liquid; meanwhile, the structure of the elastic non-woven fabric 20 is combined with the large-area joint of the front piece 11 and the rear piece 12 to form different elastic sections of the front waist, the rear waist and the lower gear, the lower gear area forms larger supporting force when the absorber 100 absorbs liquid and falls down, the large-area joint structure of the front waist and the rear waist part can not lead the product to form larger deformation, good appearance can be kept after absorbing liquid, the three-dimensional stability is strong, and then the liquid leakage phenomenon caused by deformation is avoided.

Specifically, in the step b, the two incisions 21 are folded and fixed in the length direction and then overlapped with each other; at this time, the elastic nonwoven 20 of the lower-end region has a three-layer structure; if necessary, the length of the slit 21 may be shortened so that the folded portions at the two ends are not overlapped, and the elastic nonwoven fabric 20 in the lower gear region has a two-layer structure; the choice of the two is based on factors such as the size of the product, the absorbency and expansion of the absorbent body 100, and the positioning of the product, and is not limited in this regard.

In the step b of the present embodiment, the two cutouts 21 have a symmetrical linear structure; for convenience of description, a straight and symmetrical structure is selected; the elastic nonwoven 20 thus formed is folded to have the same covering surface of the folded-over portion of the front and

rear panels

11, 12, so that the front and

rear panels

11, 12 are subjected to the same force on both sides.

Furthermore, the two notches 21 may be designed into asymmetric straight lines or arc structures (the areas of the front panel 11 and the rear panel 12 are different after being folded) according to the different sizes of the front panel 11 and the rear panel 12, so that the bearing capacity of the front panel 11 and the rear panel 12 can be correspondingly changed, and the design may be designed according to the different longitudinal positions of the absorber 100, so that the bearing capacity of the elastic nonwoven fabric 20 is uniformly dispersed on the front panel 11 and the rear panel 12 according to the different sizes of the front panel 11 and the rear panel 12.

In view of the product, when the elasticity at the waist needs to be increased, a heavy step may be added between the step a and the step b, as shown in fig. 6, which is a1: applying elastic rubber band 50 on the opposite side of the slitting position of the front and

rear sheets

11, 12 and folding the applying area downward or upward and inward, wherein the distance between the applying area and the end parts of the two ends is 20-50 mm; the specific setting of the distance is not performed here, and different specific dimensions may be selected according to different product dimensions, so that the distance can be satisfied within the range.

Meanwhile, it should be noted that when the present technical solution is applied to a diaper or a pull-up diaper product, the necessary components such as the anti-leakage barrier 201 are correspondingly added on the liquid-permeable surface layer 200, which will not be described herein.

In this embodiment, the compounding in steps c and d is performed by using a hot melt adhesive or ultrasonic compounding. The device can be improved or adjusted according to the existing equipment, and can meet the production requirement.

In the present embodiment, in the step a, the slit lines of the front panel 11 and the rear panel 12 are wavy lines, and the skirt type skirt is formed as a wavy line structure, but the product shape may be a straight line or a broken line, and the present invention is not limited thereto.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A skirt-type absorbent article, characterized in that: the elastic non-woven fabric comprises an outer garment layer, an absorber (100) and a liquid permeable surface layer (200), wherein the outer garment layer comprises a front piece (11), a rear piece (12) and an elastic non-woven fabric (20) for connecting the front piece and the rear piece, a water repellent layer (40) is adhered to the lower end face of the elastic non-woven fabric (20), the front piece (11) and the rear piece (12) are fixedly connected on the two lateral sides, the longitudinal lower end edges of the front piece and the rear piece are free ends, the elastic non-woven fabric (20) is in an I-shaped structure when unfolded, the elastic non-woven fabric is provided with the lateral ends connected to the front piece (11) and the rear piece (12) and the longitudinal ends connected with the two lateral ends, and the longitudinal end positions are folded by the elastic non-woven fabric (20) to form a double-layer or three-layer elastic structure; the absorber (100) is fixedly arranged at the longitudinal end; the liquid permeable surface layer (200) is attached to the upper surface of the absorber (100) and connected with two transverse ends.

2. A skirt-like absorbent article according to claim 1, wherein: the area of the lateral ends attached to the back panel (12) is larger than the area of the lateral ends on the front panel (11).

3. A skirt-like absorbent article according to claim 1, wherein: the longitudinal lower ends of the front piece (11) and the rear piece (12) are straight lines, wavy lines or folding lines.

4. The preparation method of the skirt-type absorbent article comprises the steps of preparing an outer clothing layer, preparing an absorber (100), preparing a liquid permeable surface layer (200), compounding the outer clothing layer with the absorber (100) and the liquid permeable surface layer, and then cutting and forming to obtain the single absorbent article, and is characterized in that:

the preparation of the outer garment layer comprises the following steps:

a. taking a hydrophilic non-woven fabric I (10), and cutting the hydrophilic non-woven fabric I along the middle position in the width direction to form two continuously conveyed front sheets (11) and rear sheets (12) respectively;

b. taking a continuously conveyed elastic non-woven fabric (20), symmetrically and continuously cutting at two sides of the transverse width of the elastic non-woven fabric, forming two cuts (21) by single cutting, and turning up or turning down and folding up and fixing the part between the two cuts (21) in the length direction;

c. b, compounding a layer of continuously conveyed water-repellent layer (40) at the lower end of the elastic non-woven fabric (20);

d. and c, cutting the product obtained in the step c into single products, and carrying out equidistant continuous compounding on each product, the front sheet (11) and the rear sheet (12) along the width direction of the product obtained in the step a after the product is turned, so as to obtain a continuous garment layer.

5. The method of manufacturing a skirt-type absorbent article according to claim 4, wherein: the step b is processed by a molding device (30), the molding device (30) comprises a frame, an unreeling mechanism (31) for unreeling the elastic non-woven fabric (20), a cutter roller assembly (32) for forming a notch (21), a turnover assembly (332) for turning up or down the elastic non-woven fabric (20) and a plurality of guide rollers for guiding the elastic non-woven fabric (20) are sequentially arranged on the frame, the turnover assembly (331) comprises an adsorption groove (331) and a turnover plate (332), the adsorption groove (331) is positioned above or below two sides of the elastic non-woven fabric (20) in the transverse width direction, the adsorption area (331 a) of the adsorption groove (331) is positioned at the length position of the notch (21) at two sides of the elastic non-woven fabric (20) so as to separate and upwards tilt or downwards, the turnover plate (332) is arranged at two sides of the elastic non-woven fabric (20) in the transverse width direction, the turnover plate (332) is integrally in a spiral structure, and the turnover plate (332) is horizontally and spirally and horizontally and spirally guided from the notch (21) between the notch (21) to the notch (332) in the horizontal and the vertical and the inclined state in the horizontal direction in the order along the conveying direction of the elastic non-woven fabric (20) And an inclined press-fit section (332 c) for press-fitting the partial recovery between the cut-out (21).

6. The method for producing a skirt-type absorbent article according to claim 5, wherein: and a sizing mechanism (34) for sizing the elastic non-woven fabric (20) is further arranged between the turnover assembly (33) and the cutter roller assembly (32).

7. A method of making a skirt absorbent article according to any one of claims 4-6, wherein: in the step b, the parts between the two cuts (21) in the length direction are folded upwards or downwards and are overlapped after being folded and fixed.

8. A method of making a skirt absorbent article according to any one of claims 4-6, wherein: between the step a and the step b, the method further includes a step a1: elastic (50) is applied to the opposite side of the front and rear panels (11, 12) from the slit position and the applied area is folded downward or upward and inward, the applied area being 20-50 mm from the end portions of the two ends.

9. A method of making a skirt absorbent article according to any one of claims 4-6, wherein: in the step c, the width of the water-repellent layer (40) is not smaller than the width between the incisions (21) on both sides in the width direction of the elastic nonwoven fabric (20) in the step b.