JP2013154016A - Absorbent article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an absorbent article which has such a structure that the edge part of a back surface sheet 2 does not directly get in touch with the skin and thereby which is reduced in discomfort feeling when attached.SOLUTION: An absorbent article is structured as follows: a permeable front surface sheet 3 is made of nonwoven fabric; and outside extended parts 10, 10 where the permeable front surface sheet 3 is extended outward from the edge of the back surface sheet 2, are set to at least the front and back edge parts of a sanitary napkin 1 of an outer peripheral flap part F where the permeable front surface sheet 3 and the back surface sheet 2 are extended to the side outer from the edge of an absorptive body 4 respectively. The outside extended part 10 is prevented from curling owing to formation of an embossed recessed part 20 on the permeable front surface sheet 3 along the almost longitudinal direction of the napkin in plan view.

Description

  The present invention relates to absorbent articles such as sanitary napkins, panty liners, and incontinence pads for absorbing menstrual blood, vaginal discharge, and the like, and more particularly, to an absorbent article that reduces discomfort during wearing.

  Conventionally, as absorbent articles such as sanitary napkins, panty liners, cage sheets, incontinence pads, etc., it consists of a liquid-impermeable back sheet made of polyethylene sheet or polyethylene laminated nonwoven fabric, and a nonwoven fabric or porous plastic sheet. There is known one in which an absorbent body made of cotton-like pulp or the like is interposed between the liquid-permeable surface sheet.

  Such an absorbent article has a problem that the end of the product hits the skin and feels strange when worn. With respect to such a problem, in Patent Document 1 below, a plurality of seal portions formed along the outer peripheral edge of the absorbent article are maintained in order to maintain the flexibility in the seal portion and reduce the occurrence of discomfort. Disclosed is an absorbent article in which the crimping portions are formed apart from each other, and each of the plurality of crimping portions formed on the outer edge in the width direction of the absorbent article has a region overlapping with the crimping portions adjacent to each other in the width direction. Yes.

  Further, in Patent Document 2 below, the elasticity of the heat seal line is hindered, and the longitudinal rigidity of the absorbent main body is increased to prevent the absorbent main body from becoming difficult to follow along the body when worn. It has a seal part which integrates a top sheet and a back sheet on both side parts along the longitudinal direction of the absorbent article and both front and rear end parts in the longitudinal direction, and the seal part consists of a number of discontinuous joint parts. An absorbent article is disclosed in which the distance and length of the joints are adjusted.

JP 2008-295645 A JP 2009-219646 A

  However, all of the absorbent articles disclosed in Patent Documents 1 and 2 are designed to enhance the feeling of wearing by adjusting the pattern of the seal portion. When the investigation is carried out from the above, the seal part is in contact with the skin in a plane, whereas the end of the back sheet made of a relatively hard material such as a plastic film is in contact with the skin locally. There was an opinion that the fact that the edge of the seat directly touched the skin had a greater effect on the feeling of discomfort when worn.

  Then, the main subject of this invention is providing the absorbent article which reduced the discomfort at the time of mounting | wearing by making it the structure where the edge part of a back surface sheet does not touch skin directly.

In order to solve the above problems, as the present invention according to claim 1, in an absorbent article in which an absorber is interposed between a liquid-permeable top sheet and a back sheet,
The liquid-permeable surface sheet is made of a nonwoven fabric, and at least the front and rear end portions of the absorbent article among the outer peripheral flap portions in which the liquid-permeable surface sheet and the back sheet are extended outward from the edge of the absorber. An absorbent article is provided in which an outer extending portion is provided by extending the liquid-permeable top sheet outward from the edge of the back sheet.

  In the first aspect of the present invention, the liquid-permeable surface sheet is made of a nonwoven fabric, and the liquid-permeable surface sheet is extended outside the edge of the back sheet at the front and rear end portions of the outer peripheral flap portion. Since the outer extension is provided, the liquid-permeable surface sheet is interposed between the edge of the back sheet made of a relatively hard material compared to the liquid-permeable surface sheet such as a plastic film and the skin at the time of mounting. As a result, the edge of the back sheet does not directly touch the skin, and the uncomfortable feeling when worn is greatly reduced.

As the present invention according to claim 2, a hydrophilic second sheet is interposed between the liquid-permeable surface sheet and the absorber,
The second sheet is made of a non-woven fabric, and an outer extending portion is provided at the front and rear end portions of the outer peripheral flap portion. The outer extending portion extends the liquid-permeable surface sheet and the second sheet outward from the edge of the back sheet. An absorbent article according to claim 1 is provided.

  In the invention according to the second aspect, a liquid-permeable surface sheet is provided at each of the front and rear end portions of the outer peripheral flap portion after a second sheet made of a hydrophilic nonwoven fabric is interposed between the liquid-permeable surface sheet and the absorbent body. And the second sheet extends outward from the edge of the back sheet, so that there are two layers of the liquid-permeable surface sheet and the second sheet between the edge of the back sheet and the skin. As a result, the end of the back sheet does not directly touch the skin more reliably, and the discomfort at the time of wearing can be further reduced.

  As the present invention according to claim 3, the liquid-permeable surface sheet is provided with a plurality of embossed recesses along the substantially longitudinal direction of the absorbent article and arranged at intervals in the width direction of the absorbent article in plan view. An absorbent article according to any one of claims 1 and 2 is provided.

  In the invention according to the third aspect, the liquid-permeable surface sheet is provided with a plurality of embossed recesses that are arranged along the substantially longitudinal direction of the absorbent article and spaced in the width direction of the absorbent article in plan view. Therefore, the rigidity in the longitudinal direction of the liquid-permeable surface sheet is increased and the outer extension portion is prevented from being turned up, so that the outer extension portion is turned up and the end of the back sheet directly hits the skin. It can be surely prevented.

  As the present invention according to claim 4, on the liquid-permeable surface sheet, in a plan view, along the substantially longitudinal direction of the absorbent article, a protruding portion on one side in the absorbent article width direction and the other side. The first wavy pattern in which the protrusions are alternately repeated and the second wavy pattern obtained by inverting the first wavy pattern in the width direction of the absorbent article are alternately arranged in the width direction of the absorbent article. The absorbent article in any one of Claims 1-3 in which the said embossing recessed part of a wavy pattern is provided.

  In the invention according to the fourth aspect, the first wavy pattern in which the protruding portion toward one side and the protruding portion toward the other side in the absorbent article width direction are alternately repeated, and the first wavy pattern are absorbed. Since the embossed concave portions of the wavy pattern in which the second wavy pattern inverted in the width direction of the absorbent article is alternately arranged in the width direction of the absorbent article are provided, the liquid permeation is based on the protruding portion of the wavy pattern The surface of the permeable surface sheet is easily deformed along the shape of the body, and the generation of wrinkles and folds due to the liquid-permeable surface sheet not conforming to the shape of the body is prevented. It is possible to prevent the existing part from turning over and the edge of the back sheet from directly hitting the skin.

  As this invention which concerns on Claim 5, in the said embossing recessed part, the some intermittent part is formed, The said embossing recessed part is provided intermittently along the substantially longitudinal direction of the absorbent article. An absorbent article as described in 1 above is provided.

  In the invention according to the fifth aspect, since a plurality of intermittent portions are formed in the embossed recess and the embossed recess is intermittently provided along the substantially longitudinal direction of the absorbent article, the liquid permeation is based on the intermittent portion. The surface sheet is easily deformed along the shape of the body, and it is possible to more surely prevent the outer extension part from turning over due to the occurrence of extra wrinkles and twists, and the edge of the back sheet directly contacting the skin.

  As described above in detail, according to the present invention, it is possible to reduce a sense of incongruity at the time of wearing by adopting a structure in which the end portion of the back sheet does not directly touch the skin.

It is a partial fracture development view of sanitary napkin 1 concerning the present invention. It is the II-II line arrow directional view (longitudinal direction sectional drawing). (A) is an enlarged plan view of the embossed recess 20, and (B) is a sectional view thereof. (A), (B) is a top view of the embossing recessed part 20 which concerns on another form. It is a top view which shows a wavy pattern.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[Basic structure of sanitary napkin 1]
As shown in FIG. 1, the sanitary napkin 1 according to the present invention has a liquid-impervious back sheet 2 made of a polyethylene sheet, a polypropylene sheet, and the like, and a liquid-permeable surface that allows permeation of blood or vaginal discharge quickly. The sheet 3, the absorbent body 4 made of cotton-like pulp or synthetic pulp interposed between the two sheets 2 and 3, and the absorbent body 4 are surrounded to maintain the shape and improve the diffusibility of the absorbent body 4. A crepe paper 5, a second sheet 6 made of a hydrophilic non-woven fabric laminated on the lower layer side of the liquid-permeable surface sheet 3 and interposed between the liquid-permeable surface sheet 3 and the crepe paper 5, and both sides of the surface The side nonwoven fabrics 7 and 7 are arranged along the longitudinal direction. Around the absorbent body 4, at the front and rear edge portions in the napkin longitudinal direction, the outer edge portion of the liquid-impermeable back sheet 2 and the liquid-permeable surface sheet 3 is formed of an adhesive such as hot melt, heat seal, or the like. The liquid-impervious back sheet 2 and the side nonwoven fabric 7 which are joined by an adhesive means and extend laterally from the edge of the absorbent body 4 at both side edges thereof are adhesives such as hot melt or heat. The outer periphery flap part F which is joined by adhesion | attachment means, such as a seal | sticker, and the absorber 4 does not exist in the outer periphery is formed.

Hereinafter, the structure of the sanitary napkin 1 will be described in detail.
As the liquid-impermeable back sheet 2, a sheet material having at least water shielding properties such as an olefin resin sheet such as polyethylene or polypropylene is used. In addition, a laminated nonwoven fabric obtained by laminating a nonwoven fabric on a polyethylene sheet or the like, or A nonwoven fabric sheet (in this case, the waterproof film and the nonwoven fabric constitute a liquid-impervious back sheet) can be used after substantially impervious to liquid imperviousness by interposing a waterproof film. In recent years, those having moisture permeability tend to be used from the viewpoint of preventing stuffiness. This water- and moisture-permeable sheet material is a microporous sheet obtained by forming a sheet by melting and kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene, and then stretching in a uniaxial or biaxial direction. It is.

  Next, a porous or non-porous nonwoven fabric is preferably used for the liquid-permeable surface sheet 3. Examples of the material fibers constituting the nonwoven fabric include synthetic fibers such as polyethylene or polypropylene, synthetic fibers such as polyester and polyamide, recycled fibers such as rayon and cupra, and natural fibers such as cotton. A nonwoven fabric obtained by an appropriate processing method such as a lace method, a spun bond method, a thermal bond method, a melt blown method, or a needle punch method can be used. Of these processing methods, the spunlace method is excellent in terms of flexibility and the spunbond method is excellent in drapeability, and the thermal bond method and the air-through method are excellent in terms of being bulky and soft. As will be described in detail later, the liquid-permeable surface sheet 3 is provided with an embossed recess 20 made of a combination of a predetermined wave pattern and a dot pattern.

  The absorbent body 4 interposed between the liquid-impervious back sheet 2 and the liquid-permeable top sheet 3 is made of, for example, fluffy pulp and a water-absorbing polymer. The water-absorbing polymer is mixed in the pulp constituting the absorber, for example, as granular powder. Examples of the pulp include chemical fibers obtained from wood, cellulose fibers such as dissolved pulp, and artificial cellulose fibers such as rayon and acetate. Softwood pulp having a longer fiber length than hardwood pulp functions and It is preferably used in terms of price.

  The absorbent body 4 may be mixed with synthetic fibers. As the synthetic fiber, for example, polyolefins such as polyethylene or polypropylene, polyesters such as polyethylene terephthalate and polybutylene terephthalate, polyamides such as nylon, and copolymers thereof can be used. It may be a mixture. In addition, a composite fiber such as a core-sheath fiber, a side-by-side fiber, or a split fiber having a fiber having a high melting point as a core and a fiber having a low melting point as a sheath can also be used. In the case of a hydrophobic fiber, it is desirable to use a synthetic fiber that has been surface-treated with a hydrophilizing agent so as to have an affinity for body fluids.

  When the crepe paper 5 surrounding the absorbent body 4 is provided as in this example, the crepe paper 5 is interposed between the liquid-permeable surface sheet 3 and the absorbent body 4 as a result. The crepe paper 5 which is excellent in diffusing body fluids quickly prevents reversal of menstrual blood and the like.

  The second sheet 6 made of a hydrophilic non-woven fabric laminated on the lower layer side of the liquid permeable surface sheet 3 is made of, for example, synthetic fibers such as polyethylene or polypropylene, olefin-based, polyester-based, polyamide-based synthetic fibers, rayon, cupra, etc. Natural fibers such as recycled fibers and cotton can be used, and nonwoven fabrics obtained by appropriate processing methods such as the spunlace method, the spunbond method, the thermal bond method, the melt blown method, and the needle punch method can be used. In order to impart hydrophilicity, a method of polymerizing a compound having a hydrophilic group, for example, an oxidation product of polyethylene glycol, in the process of producing a synthetic fiber, or treatment with a metal salt such as stannic chloride, Synthetic fibers can be made to swell or become porous by a method such as partially dissolving the surface to make it porous and depositing metal hydroxide, etc., and applying capillary action to impart hydrophilicity. The second sheet 6 is preferably joined to the liquid-permeable surface sheet 3.

  On the other hand, side non-woven fabrics 7 and 7 are provided on both sides of the sanitary napkin 1 along the longitudinal direction and almost the entire length of the napkin 1, respectively. Wing-like flaps W and W are formed by a part of the liquid-impervious back sheet 2 that extends laterally and also laterally.

  As the side nonwoven fabric 7, a water-repellent treated nonwoven fabric or a hydrophilic treated nonwoven fabric can be used from the viewpoint of an important function. For example, if importance is placed on functions such as preventing permeation of menstrual blood or vaginal discharge, or enhancing the touch feeling, water repellent treatment coated with silicon, paraffin or alkylchromic chloride water repellent It is desirable to use a nonwoven fabric. Further, if importance is attached to the absorption of menstrual blood and the like in the wing-shaped flaps W, W, a method of polymerizing a compound having a hydrophilic group, for example, an oxidation product of polyethylene glycol, in the process of producing a synthetic fiber, , By treating with a metal salt such as stannic chloride, partially dissolving the surface to make it porous, and depositing metal hydroxides to swell or make the synthetic fiber porous, applying capillary action to make it hydrophilic It is desirable to use a hydrophilic treated non-woven fabric provided with.

[Regarding the contact prevention means at the edge of the back sheet]
In the sanitary napkin 1, means for preventing the end portion of the liquid-impermeable back sheet 2 from directly contacting the skin is taken. Specifically, as shown in FIG. 1 and FIG. 2, the liquid-permeable top sheet 3 is attached to the end of the liquid-impervious back sheet 2 at least at the front and rear end portions in the napkin longitudinal direction of the outer peripheral flap portion F. An outer extending portion 10 extending outward from the edge is provided. As a result, the outer extending portion 10 of the liquid-permeable surface sheet 3 is interposed between the end portion of the liquid-impervious back sheet 2 and the skin at the time of mounting. The part can be prevented from directly hitting the skin, and the uncomfortable feeling when worn can be greatly reduced.

  Further, as shown in FIGS. 1 and 2, when outer peripheral seal portions 8, 8 are provided on the front and rear end portions of the outer peripheral flap portion F in the longitudinal direction of the napkin, respectively, by heat sealing, etc. A projecting portion 2a of the liquid-impermeable back sheet 2 projecting short is formed. In this way, the hardness is increased by heat sealing, and the protruding portion 2a of the liquid-impermeable back sheet 2 has a relatively high bending rigidity compared to other portions because it protrudes short from the outer peripheral sealing portion 8. However, if it directly touches the skin when worn, it causes a tingling pain and causes extremely great discomfort. Therefore, when such an outer peripheral seal portion 8 is provided, it is particularly effective to provide the contact preventing means.

  The outer extending part 10 may extend only the liquid-permeable surface sheet 3 outward from the edge of the liquid-impervious back sheet 2, but absorbs with the liquid-permeable surface sheet 3 as in this example. When the hydrophilic second sheet 6 is interposed between the body 4 and the body 4, the liquid-permeable top sheet 3 and the second sheet 6 are preferably extended outward from the edge of the liquid-impermeable back sheet 2. Thereby, since the two layers of the liquid-permeable surface sheet 3 and the second sheet 6 are interposed at the end portion of the liquid-impermeable back sheet 2, it is possible to further reduce the uncomfortable feeling at the time of wearing. Further, by joining the second sheet 6 to the liquid-permeable surface sheet 3, the outer extension portion 10 can be prevented from being turned over, and the edge of the liquid-impermeable back sheet 2 can be prevented from directly contacting the skin. become able to.

  The outer extending portion 10 is preferably provided at least at the front and rear end portions in the napkin longitudinal direction. When the napkin front and rear end portions and the side portions cannot be clearly distinguished as in this example, the napkin front and rear sides excluding the wing-shaped flaps W are respectively positioned in the width direction from the front and rear end edges in the napkin longitudinal direction. It is preferable to provide up to a large part. Moreover, when the side nonwoven fabrics 7 and 7 are provided on both side portions on the surface side as in this example, the side nonwoven fabric 7 also extends outward from the edge of the liquid-impermeable back sheet 2 together with the liquid-permeable surface sheet 3. In the case where the outer extending portion 10 is provided over the napkin side portion as described above, only the side nonwoven fabric 7 is extended outward from the edge of the liquid-impermeable back sheet 2 at the napkin side portion. May be present. Furthermore, you may provide the outer side extension part 10 over the perimeter of the sanitary napkin 1 containing the outer edge of the wing-shaped flap W. As shown in FIG.

  The outer extending portion 10 may be formed with a length of 10 mm or less, preferably 3 mm to 7 mm in the perpendicular direction from the edge of the liquid-impermeable back sheet 2. If it is longer than 10 mm, the liquid-permeable top sheet 3 is easily turned over, and the edge of the liquid-impervious back sheet 2 may be exposed.

  Next, means for preventing the liquid-permeable surface sheet 3 from being turned over in the outer extending portion 10 will be described.

  As the turn-up preventing means, the liquid-permeable surface sheet 3 can be provided with a plurality of embossed recesses 20 that are arranged along the substantially longitudinal direction of the napkin and at intervals in the napkin width direction in plan view. Thereby, since the rigidity of the napkin longitudinal direction of the liquid-permeable surface sheet 3 can be improved, it can prevent reliably that the outer side extension part 10 turns over and the edge of the liquid-impermeable back sheet 2 hits skin directly. It becomes like this. The embossed recess 20 along the substantially longitudinal direction of the napkin described above can be formed with a pattern made of a straight line, a dotted line, a wavy line, a curved line, or a combination thereof, but is preferably formed with the following wavy pattern.

  As shown in FIGS. 1 and 3, the embossed recess 20 has a protruding portion 21 on one side and a protruding shape on the other side in the napkin width direction along a substantially longitudinal direction of the napkin in a plan view. The first wavy pattern 23 that repeats the portion 22 alternately and the second wavy pattern 24 obtained by inverting the first wavy pattern 23 in the napkin width direction are arranged in a napkin width direction alternately. Those are preferred. By providing the embossed concave portion 20 having such a wave pattern in the liquid permeable surface sheet 3, the liquid permeable surface sheet 3 is easily deformed along the shape of the body with the convex portions 21 and 22 as a base point. Occurrence of wrinkles and folds due to the liquid surface sheet 3 not conforming to the shape of the body can be prevented, and the outer extension 10 is turned up by the creases and folds so that the edge of the liquid-impermeable back sheet 2 directly contacts the skin. This can be prevented more reliably. Such embossed recesses 20 are preferably formed over the entire edge of the liquid-permeable topsheet 3.

  As shown in FIG. 3, by providing the embossed concave portion 20 of the wavy pattern, a wide portion 25 and a narrow portion 26 having different separation widths between the first wavy pattern 23 and the second wavy pattern 24. Are alternately and repeatedly formed in the longitudinal direction of the napkin.

  As shown in FIG. 3, the dimensions of the embossed recess 20 of the wavy pattern are such that the top interval T (one cycle) of the projecting portions 22 and 22 is 5.0 mm or less, and the emboss width B (the bottom of the embossed recess 20 is Width) is 0.5 to 1.0 mm, the width S1 of the wide portion 25 in the napkin width direction is 4.5 to 7.5 mm, and the width S2 of the narrow portion 26 in the napkin width direction is 2.0 to 5.mm. It is preferably 0 mm.

  Further, in order to prevent the outer extending portion 10 from being turned up, the wave pattern of the embossed recessed portion 20 is equal to or more than one cycle (the above-described top interval T) at least at the front and rear end portions of the napkin in the outer extending portion 10. Preferably, it is formed.

  The liquid-permeable surface sheet 3 is bonded to the lower planar second sheet 6 at least at the contact surface portion with the bottom surface of the embossed recess 20 of the wavy pattern by an adhesive such as heat fusion or hot melt. It is integrated with the sheet 6 (this manufacturing method will be described in detail later).

  On the other hand, in order to reduce the surface residue of body fluid in the wide portion 25 and reduce the contact area with the skin, it is preferable to provide dot-like embossed concave portions 27 in all or part of the wide portion 25.

  As shown in FIG. 4, the embossed recesses 20 of the wavy pattern are formed intermittently with respect to the substantially longitudinal direction of the napkin by forming periodic intermittent portions 28, 28... According to the period of the wavy pattern. Can be provided. In the example shown in FIG. 3 (A), an intermittent portion 28 is provided at the top of the protruding portion 21 to one side in the napkin width direction. In FIG. 3 (B), the protrusion to the other side in the napkin width direction is provided. An intermittent portion 28 is provided at the top of the shape portion 22. By providing the intermittent portion 28, the liquid-permeable topsheet 3 is easily deformed along the shape of the body with the intermittent portion 28 as a base point, and the outer extension portion 10 is turned over to end the liquid-impervious backsheet 2. It becomes possible to more reliably prevent the edge from directly hitting the skin. Here, when the intermittent length of the intermittent portion 28 is too large, the continuity of the wavy pattern is remarkably impaired, and the effect as the above-described base point is lost. Therefore, the intermittent length of the intermittent portion 28 in the longitudinal direction of the napkin is lost. Is preferably 1 mm or less.

  As shown in the above embodiment, the wavy pattern is a double-sided arc-shaped pattern in which a protruding portion 21 on one side in the width direction of the napkin and a protruding portion 22 on the other side are formed in an arc shape (see FIG. 5 (A)), a one-side arc-shaped pattern in which the protruding portion 21 on one side in the napkin width direction has an arc shape and the protruding portion 22 on the other side has a shape in which two curves are butted together. 5 (B)), a linear pattern in which the protruding portion 21 on one side and the protruding portion 22 on the other side are refracted and formed in a linear shape (FIG. 5 (C)). It can be formed in an arbitrary corrugated shape in which various lines are periodically combined such that the line L is periodically straddled on both sides in the napkin width direction.

  Further, when the wavy pattern is a pattern in which the arc-shaped protruding portion 21 that curves to one side in the napkin width direction and the arc-shaped protruding portion 22 that curves to the other side are alternately repeated, the protruding portion 21 , 22 may be arcs having the same radius of curvature, but as shown in FIG. 3 and FIG. 5 (A), the radii of curvature of the protruding portions 21, 22 are made different so that the protruding portion 21 toward one side is formed. It is preferable to form the protrusion 22 toward the other side so as to have a relatively small radius of curvature. As a result, the liquid-permeable surface sheet 3 tends to be a base point that deforms along the body in the protruding portion 22 having a relatively small radius of curvature.

  In manufacturing the liquid-permeable surface sheet 3 having such embossed recesses, an embossing roll in which a first embossing roll, a second embossing roll, and an anvil roll having a smooth surface are arranged in the vertical direction from the lower side. A device is used. The first embossing roll and the second embossing roll are used as a set, and a liquid-permeable surface sheet is passed between these embossing rolls to give uneven embossing, and between the second embossing roll and the anvil roll. While passing the liquid-permeable surface sheet 3, the second sheet 6 as a lower layer is inserted between the second embossing roll and the anvil roll, and the liquid-permeable surface sheet 3 and the second sheet 6 are overlapped, and the second At least one side of the embossing roll and the anvil roll is heated to a predetermined temperature, and the bottom surface of the recess of the liquid-permeable surface sheet 3 and the second sheet 6 are joined by heat fusion. The joining method of the said liquid-permeable surface sheet 3 and the 2nd sheet | seat 6 is good also as joining by adhesive agents, such as a hot melt.

  The above-described sanitary napkin 1 is assembled by the liquid-impervious back sheet 2 cut into a predetermined product shape, the absorbent body 4 surrounded by the crepe paper 5, the liquid-permeable top sheet 3 formed with an embossed recess, and The second sheet 6 and the side nonwoven fabric 7 are laminated, and the liquid-permeable surface sheet 3, the second sheet 6 and the side nonwoven fabric 7 are simultaneously cut into a predetermined shape.

  DESCRIPTION OF SYMBOLS 1 ... Sanitary napkin, 2 ... Impervious back sheet, 3 ... Impervious surface sheet, 4 ... Absorber, 5 ... Crepe paper, 6 ... Second sheet, 7 ... Side nonwoven fabric, 8 ... Outer seal part, 10 ... an outer extending part, 20 ... an embossed recess of a wavy pattern, 21 ... a protruding part on one side, 22 ... a protruding part on the other side, 23 ... a first wavy pattern, 24 ... a second wavy pattern, 25 ... Wide part, 26 ... Narrow part, 27 ... Dot-shaped embossed concave part, F ... Outer peripheral flap part, W ... Wing-like flap

Claims (5)

In the absorbent article in which an absorbent body is interposed between the liquid-permeable top sheet and the back sheet,
The liquid-permeable surface sheet is made of a nonwoven fabric, and at least the front and rear end portions of the absorbent article among the outer peripheral flap portions in which the liquid-permeable surface sheet and the back sheet are extended outward from the edge of the absorber. The absorbent article is characterized in that an outer extending portion is provided by extending the liquid-permeable top sheet outward from the edge of the back sheet. A hydrophilic second sheet is interposed between the liquid-permeable surface sheet and the absorber,
The second sheet is made of a non-woven fabric, and an outer extending portion is provided at the front and rear end portions of the outer peripheral flap portion. The outer extending portion extends the liquid-permeable surface sheet and the second sheet outward from the edge of the back sheet. The absorbent article according to claim 1.   The liquid permeable top sheet is provided with a plurality of embossed recesses arranged along the substantially longitudinal direction of the absorbent article and spaced in the width direction of the absorbent article in plan view. Absorbent article according to crab.   In the plan view, the liquid-permeable surface sheet has a first protrusion in the width direction of the absorbent article and a protrusion in the other direction alternately repeated along the substantially longitudinal direction of the absorbent article. The embossed recesses of a wavy pattern in which one wavy pattern and a second wavy pattern obtained by inverting the first wavy pattern in the width direction of the absorbent article are alternately arranged in the width direction of the absorbent article are provided. The absorbent article according to any one of claims 1 to 3.   The absorbent article according to claim 3, wherein a plurality of intermittent portions are formed in the embossed recess, and the embossed recess is provided intermittently along a substantially longitudinal direction of the absorbent article.

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