WO2015072502A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2015072502A1
WO2015072502A1 PCT/JP2014/080048 JP2014080048W WO2015072502A1 WO 2015072502 A1 WO2015072502 A1 WO 2015072502A1 JP 2014080048 W JP2014080048 W JP 2014080048W WO 2015072502 A1 WO2015072502 A1 WO 2015072502A1
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WO
WIPO (PCT)
Prior art keywords
groove
pressing
squeezing
longitudinal
absorbent article
Prior art date
Application number
PCT/JP2014/080048
Other languages
English (en)
Japanese (ja)
Inventor
黒田　賢一郎
Original Assignee
ユニ・チャーム株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2013236289A external-priority patent/JP5766253B2/ja
Priority claimed from JP2013236310A external-priority patent/JP5766254B2/ja
Application filed by ユニ・チャーム株式会社 filed Critical ユニ・チャーム株式会社
Publication of WO2015072502A1 publication Critical patent/WO2015072502A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4756—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level

Definitions

  • the present invention relates to absorbent articles such as sanitary napkins.
  • the absorbent article which can improve a wearer's wearing feeling is provided (for example, patent document 1).
  • the arc shape of the pair of flexible shafts is one, and the distance between the pair of flexible shafts is the shortest at the central portion in the longitudinal direction.
  • the absorbent article described in Patent Document 1 when the mounting position of the absorbent article deviates in the longitudinal direction, a portion where the distance between the pair of flexible axes becomes short is not arranged corresponding to the vicinity of the excrement opening, There is a problem that the fit does not improve.
  • the wearing time in the daytime of the wearer is long in the wearer, so the number of times being caught by the legs increases when walking etc. It is compressed inside.
  • the absorbent article is repeatedly compressed inward in the width direction, the width of the absorber is further shortened, and the absorber may not be disposed at a position facing the excretory port, or the absorber may be cured.
  • Patent Document 2 In this absorbent article, compressed grooves are formed in which the surface sheet and the absorbent body are continuously compressed in the thickness direction, that is, the same thickness.
  • the squeeze groove includes a pair of inner squeeze grooves, and a pair of outer squeeze grooves that are not parallel to the inner squeeze grooves and are disposed on both sides in the width direction from the inner squeeze grooves.
  • an absorbent article is located in a wearer's crotch by being comprised so that the absorber pinched
  • the distance between the outer compression groove and the inner compression groove in the width direction is shorter as the portion is narrowed, and the surface sheet is strongly pressed against the absorber in the portion which is narrowed, and the density of the absorber is It's getting higher. That is, since the body fluid of the wearer is likely to be collected at the narrowed portion, there is a problem that the body fluid may be diffused across the squeezing groove and the body fluid may leak to the outside of the product.
  • the present invention has been made in view of the above problems, and it is possible to improve the fit while preventing absorption even while securing the absorbent performance even when the absorbent article is used for a long time.
  • the purpose of the present invention is to provide an absorbent article capable of
  • the absorbent article 1 comprises a liquid-permeable top sheet 10, a liquid-impermeable back sheet 20, the above-mentioned top sheet, and the above-mentioned back sheet
  • An absorbent article having an absorbent body 30 provided therebetween, and having a longitudinal direction L of the product and a width direction W of the product orthogonal to the longitudinal direction, the surface sheet extending in the longitudinal direction and the absorbent
  • the body includes a compressed groove 50 compressed in the thickness direction T of the product, and the compressed groove includes a pair of first compressed grooves (first longitudinal compressed groove 51), and the first compressed groove and the non-cut in the longitudinal direction.
  • a pair of second squeezing grooves (second longitudinal squeezing grooves 52) disposed parallel to each other on both sides in the width direction of the product than the first squeezing groove, and in the pair of second squeezing grooves In the absorber to be sandwiched, the distance between the pair of second compression grooves is the width
  • the first pressing groove and the second pressing groove have at least one constriction portion 55 narrowed toward one side, and one of the first pressing groove and the second pressing groove has a high pressing portion 56 and a low pressing portion 57 in the longitudinal direction.
  • the first squeezing groove and the second squeezing groove are configured to be alternately arranged, and the other of the first squeezing groove and the second squeezing groove is configured by only the high-pressure squeezing portion.
  • An absorbent article 1 includes a liquid-permeable top sheet 10, a liquid-impermeable back sheet 20, and an absorber 30 provided between the top sheet and the back sheet, An absorbent article having a longitudinal direction L of a product and a width direction W of the product orthogonal to the longitudinal direction, wherein the surface sheet extending in the longitudinal direction and the absorber are compressed in a thickness direction T of the product A pressing groove is provided, and the pressing groove is not parallel to the pair of first pressing grooves (first longitudinal pressing groove 51), the first pressing groove and the longitudinal direction, and the pressing grooves are more than the first pressing grooves.
  • the product has a pair of second pressing grooves (second longitudinal pressing grooves 52) disposed on both sides in the width direction of the product, and the first pressing grooves and the second pressing grooves respectively extend along the longitudinal direction.
  • the high-pressure pressing parts 56a, 56b and the low-pressure pressing parts 57a, 5 alternately arranged b, and the low-pressure squeezing portion 57a included in the first squeezing groove and the high-pressure squeezing portion 56b included in the second squeezing groove are disposed adjacent to each other in the width direction. .
  • FIG. 1 It is the top view seen from the skin contacting surface side of the absorptive article in a 1st embodiment. It is a schematic cross section of the AA cross section and the BB cross section which are shown in FIG. It is the top view to which the pressing groove of the absorbent article shown in FIG. 1 was expanded. It is the top view seen from the skin contacting surface side of the absorptive article in the 1st modification in a 1st embodiment. It is the top view seen from the skin contacting surface side of the absorptive article in the 2nd modification in a 1st embodiment. It is the top view seen from the skin contacting surface side of the absorptive article in a 2nd embodiment. FIG.
  • FIG. 7 is a schematic cross-sectional view of an AA cross section and a BB cross section shown in FIG. 6; It is the top view to which the pressing groove of the absorbent article shown in FIG. 6 was expanded. It is the top view to which the pressing groove of the absorbent article in the 1st modification in a 2nd embodiment was expanded. It is the top view to which the pressing groove of the absorbent article in the 2nd modification in a 2nd embodiment was expanded. It is the top view to which the pressing groove of the absorbent article in the 3rd modification in a 2nd embodiment was expanded.
  • the absorbent article 1 in the embodiment of the present invention is, for example, a sanitary napkin.
  • FIG. 1 is a plan view of the absorbent article 1 in the first embodiment.
  • FIG. 2 is a sectional view taken along the line AA (FIG. 2 (a)) and a sectional view taken along the line BB (FIG. 2 (b)) shown in FIG.
  • FIG. 3 is an enlarged view of the pressing groove 50 in the plan view shown in FIG.
  • the absorbent article 1 in the first embodiment of the present invention is a daytime sanitary napkin. Therefore, in the absorbent article 1 shown in FIG. 1, the lengths of the front area FA located on the front side of the wearer in the longitudinal direction L and the rear area BA located on the rear side of the wearer are substantially the same.
  • region between a pair of wing parts mentioned later is center area
  • the front side of the central area CA is the front area FA, and the rear side of the central area CA is the rear area BA.
  • the sanitary napkin for day is described as an example, but the absorbent article according to the first embodiment of the present invention is a sanitary napkin for night It can also be applied.
  • the rear area BA located on the rear side of the wearer is longer than the front area FA located on the front side of the wearer in the longitudinal direction L.
  • the absorbent article 1 has a top sheet 10 in contact with the wearer's skin, a liquid-impermeable back sheet 20 which does not transmit liquid, and an absorber 30.
  • the absorber 30 is disposed between the top sheet 10 and the back sheet 20.
  • Absorber 30 is shown in dashed lines in FIGS. 1 and 2.
  • the absorbent body 30 is disposed at a central portion in the longitudinal direction L and the width direction W of the absorbent article 1.
  • the absorbent article 1 is provided with wing portions 43 and 44 provided on the outer side of the absorber 30 in the width direction W orthogonal to the longitudinal direction L in plan view shown in FIG. Furthermore, the absorbent article 1 includes side sheets 41 and 42 provided on the outer side of the absorber 30 in the width direction W.
  • the surface sheet 10 is a liquid-permeable sheet that transmits liquid such as body fluid.
  • the surface sheet 10 covers at least the surface of the absorber 30.
  • the top sheet 10 is not particularly limited as long as it is a sheet-like material having a liquid-permeable structure, such as non-woven fabric, woven fabric, perforated plastic sheet, mesh sheet, and the like. As materials for woven and non-woven fabrics, either natural fibers or chemical fibers can be used.
  • Examples of natural fibers include cellulose such as ground pulp and cotton.
  • Examples of the chemical fiber include regenerated cellulose such as rayon and fibril rayon, semi-synthetic cellulose such as acetate and triacetate, thermoplastic hydrophobic chemical fiber, or thermoplastic hydrophobic chemical fiber subjected to a hydrophilization treatment.
  • thermoplastic hydrophobic chemical fibers examples include single fibers such as polyethylene (PE), polypropylene (PP) and polyethylene terephthalate (PET), fibers obtained by graft polymerization of PE and PP, and composite fibers such as core-sheath structure.
  • PE polyethylene
  • PP polypropylene
  • PET polyethylene terephthalate
  • fibers obtained by graft polymerization of PE and PP and composite fibers such as core-sheath structure.
  • web forming may be performed by any one or a combination of a dry method (card method, spun bond method, melt blown method, air laid method, etc.) or wet method.
  • a dry method card method, spun bond method, melt blown method, air laid method, etc.
  • wet method wet method.
  • methods such as thermal bonding, needle punch, chemical bonding and the like can be mentioned, but it is not particularly limited to these methods.
  • a perforated sheet of thermoplastic resin such as PE, PP, PET, a porous foam material, etc.
  • thermoplastic resin such as PE, PP, PET, a porous foam material, etc.
  • the perforated film may be used as a composite sheet with a non-woven fabric.
  • the back sheet 20 has a length substantially the same as the length of the top sheet 10.
  • the back sheet 20 may be a polyethylene sheet, a laminated nonwoven fabric mainly made of polypropylene or the like, a breathable resin film, a sheet in which a breathable resin film is bonded to a nonwoven fabric such as spunbond or spunlace.
  • the back sheet 20 is preferably made of a material having a flexibility that does not cause discomfort when worn, for example, a film obtained from a range of 15 to 30 g / m 2 of a low density polyethylene (LDPE) resin as a main component Can be used.
  • LDPE low density polyethylene
  • the back sheet 20 is desirably liquid-impervious and moisture-permeable, and can be formed, for example, of a microporous sheet obtained by melt-kneading an inorganic filler such as polyethylene or polypropylene with an inorganic filler, .
  • Absorbent body 30 contains hydrophilic fiber and pulp.
  • the absorber 30 is formed of a material that can absorb body fluid such as menstrual blood. Examples include ground pulp, cellulose such as cotton, regenerated cellulose such as rayon and fibril rayon, semi-synthetic cellulose such as acetate and triacetate, particulate polymer, fibrous polymer, thermoplastic hydrophobic chemical fiber, and hydrophilization treatment Thermoplastic hydrophobic chemical fibers or chemically bonded air-laid pulp can be used alone or in combination.
  • the method of forming these materials into an absorbent is not particularly limited, and for example, those formed into sheets by an air laid method, a melt blown method, a spun lace method, a paper making method, etc. are used. Moreover, a cellulose foam, a continuous foam of synthetic resin, etc. can also be used as an absorber. Furthermore, it is also possible to use a foam or a material obtained by crushing the sheeted material and then formed into an absorbent.
  • pulp is mixed in the range of 50 to 100%
  • particulate polymer is mixed in the range of 20 to 0%, coated with a tissue, and then sheeted by embossing 100 to 2000 g / m 2 , 1 to 50 mm
  • absorbers having a bulk of The embossing is to prevent the shape of the absorber from being deformed, and the embossing area ratio is in the range of 10 to 100%, preferably in the range of 30 to 50%.
  • the absorbent body 30 may be formed by laminating hydrophilic fibers or powders by an air laid method, or may be an air laid sheet formed by molding hydrophilic fibers or powders into a sheet by an air laid method, or a tissue (for example, Pulverized pulp mixed with a superabsorbent polymer may be placed on a basis weight of 15 g / m 2 ) and formed by wrapping in a tissue.
  • a tissue for example, Pulverized pulp mixed with a superabsorbent polymer may be placed on a basis weight of 15 g / m 2
  • the thickness of the absorber 30 is preferably 0.3 to 5.0 mm. By thickening the thickness of the absorber 30, the cushioning properties of the absorber 30 can be enhanced. However, if the thickness of the absorber 30 is too thick, it may be difficult to maintain the shape of the entire absorber 30 in the thickness direction by the compressed grooves 50. Therefore, as for the thickness of an absorber, 5.0 mm or less is desirable.
  • the thickness of the absorber 30 said here is a thickness in the state (state shown in FIG. 1) extended to the state in which the wrinkles of the surface sheet 10 which comprises the absorbent article 1, the back surface sheet 20 grade
  • the thin absorbent material examples include an absorbent sheet and a polymer sheet.
  • the absorbent sheet and the polymer sheet can be used without particular limitation as long as they are generally used for absorbent articles such as sanitary napkins.
  • absorbent sheet examples include absorbent paper and non-woven fabrics, and pulp sheets obtained by sheeting fibers with a binder and the like
  • polymer sheet examples include sheets obtained by mixing pulverized pulp and fibers with a particulate polymer to form sheets.
  • seat which mixed the particulate polymer with the fiber and was formed in the sheet form both the thing in which the particulate polymer is disperse
  • Fibers used for the material and polymer sheet forming the absorbent sheet include cellulose fibers such as wood pulp, regenerated cellulose fibers such as rayon and cupra, hydrophilic synthetic fibers such as polyvinyl alcohol fibers and polyacrylonitrile fibers, surfactants, etc.
  • cellulose fibers such as wood pulp, regenerated cellulose fibers such as rayon and cupra
  • hydrophilic synthetic fibers such as polyvinyl alcohol fibers and polyacrylonitrile fibers, surfactants, etc.
  • polyethylene polypropylene, polyethylene terephthalate, polyethylene / polypropylene composite fiber or polyethylene / polyethylene terephthalate composite fiber, in which the fiber surface is hydrophilized, are preferred, and cellulose fiber is more preferred in terms of maintaining good hydrophilicity.
  • the particulate polymer used in the polymer sheet is preferably one which can absorb and hold a liquid 20 times or more its own weight and can gelate, and examples thereof include starch, crosslinked carboxymethylated cellulose, polyacrylic acid and Examples thereof include salts thereof and polyacrylate graft polymers.
  • the absorber 30 in the present embodiment is configured by wrapping a pulp obtained by laminating cotton-like pulp, synthetic pulp or the like to a basis weight of about 100 to 300 g / m 2 with a protective paper (not shown).
  • the protective paper is for maintaining the shape of pulp, and for example, crepe paper or tissue paper can be used.
  • the absorber 30 has a shape extending in the front-rear direction, and is smaller than the back sheet 20 by approximately one turn.
  • the length in the width direction W of the absorber 30 corresponds to the crotch interval of an adult woman, and is approximately 30 to 80 mm.
  • Absorbent body 30 is adhered to back sheet 20 by an adhesive such as hot melt.
  • the side sheets 41 and 42 are disposed on both sides of the top sheet 10.
  • the side sheets 41 and 42 can be selected from the same material as the top sheet 10. However, in order to prevent the menstrual blood from flowing over the side sheets 41 and 42 and flowing outward of the absorbent article 1, it is preferable to have hydrophobicity or water repellency.
  • the side sheets 41, 42 cover a part of the side edge of the absorber 30 and the wing portions 43, 44.
  • the peripheries of the top sheet 10, the back sheet 20, the side sheets 41 and 42, and the back sheet 20 are joined, and the absorber 30 is enclosed.
  • a method of joining the top sheet 10 and the back sheet 20 it is possible to combine one or more of heat embossing, ultrasonic waves and hot melt adhesives.
  • an adhesive (not shown) is applied to the surface in contact with the undergarment in a plurality of regions.
  • the adhesive is intermittently disposed along the longitudinal direction L on the back surface side of the absorber.
  • the adhesive is also provided on the surfaces of the wings 43 and 44 in contact with the undergarment.
  • the adhesive In the state before use, the adhesive is in contact with a release sheet (not shown).
  • the release sheet prevents the pressure sensitive adhesive from deteriorating before use. And a peeling sheet peels by the wearer at the time of use.
  • the absorbent article which does not have a peeling sheet you may be comprised so that it may prevent that an adhesive degrades before use by the packaging sheet which packages an absorbent article separately.
  • the surface of the package sheet is preferably subjected to a treatment that allows the adhesive to be released without reducing the adhesive strength of the adhesive.
  • the absorbent article 1 has a pressing groove 50 formed by compressing the topsheet 10 and the absorber 30 in the thickness direction.
  • the compressed groove 50 is a groove formed by processing the skin contact side of the surface sheet 10 of the absorbent article 1 and the non-skin contact side (garment contact surface side) of the absorber 30. It is.
  • the pressing groove 50 is provided around the central area CA including the center of the area in contact with the excretion opening of the wearer in the area where the absorbent body 30 is disposed.
  • abuts it corresponds with the center of the longitudinal direction L of the center area
  • the center of the wing in the longitudinal direction L is the center of the central region in the longitudinal direction L.
  • the position where the length dimension of the width direction W of the absorber is the shortest is the center of the longitudinal direction L of the central region.
  • abuts is contained in the area
  • the shape of the squeeze groove 50 is, for example, a circular or oval shape in which a certain area is surrounded by a curve, a polygon or a circle which encloses a certain area in a plurality of broken lines, or a straight line extending along the longitudinal direction L or the width direction W It is a curve.
  • the pressing groove 50 includes a first longitudinal pressing groove 51, a second longitudinal pressing groove 52, a first width pressing groove 53, and a second width pressing groove 54.
  • first longitudinal compression groove 51 the second longitudinal compression groove 52, the first width compression groove 53, and the second width compression groove 54 in plan view will be described.
  • the first longitudinal squeezing groove 51 and the second longitudinal squeezing groove 52 are squeezing grooves 50 extending in the longitudinal direction L, respectively, and the first longitudinal squeezing groove 51 and the second longitudinal squeezing groove 52 are not parallel to each other. is there.
  • the first longitudinal compression grooves 51 include a central area CA in the longitudinal direction L, and are arranged in a pair at intervals in the width direction W.
  • the first longitudinal compression groove 51 may be provided with a curved portion having a convex shape directed inward in the width direction, or may be in the shape of a straight line orthogonal to the width direction W.
  • the front end 51FE and the rear end 51BE of the first longitudinally compressed groove 51 are on the inner side in the central area CA in the longitudinal direction, for example, at the ends in the longitudinal direction L of the wings 43 and 44 in the width direction W Provided so as to face each other.
  • the curved portion extends inward in the width direction from the both ends of the first longitudinal compressed groove 51 in the longitudinal direction L toward the longitudinal center. It is a shape.
  • the shape of the curved portion of the first longitudinal pressing groove 51 may not be an arc shape.
  • the first width squeezing grooves 53 are provided to connect the first longitudinal squeezing grooves 51 between the pair of first longitudinal squeezing grooves 51.
  • the first width compression groove 53 is disposed so as to connect the front end portions 51FE of the pair of first longitudinal compression grooves 51, and the rear end portions 51BE of the pair of first longitudinal compression grooves 51 are
  • the 1st width pressing groove 53 is arrange
  • the first longitudinal pressing groove 51 and the first width pressing groove 53 are disposed continuously, and are annular in plan view.
  • the central area CA is an area surrounded by the first longitudinal pressing groove 51 and the first width pressing groove 53.
  • the second longitudinal squeezing grooves 52 are disposed on both sides in the width direction of the first longitudinal squeezing groove 51 and extend in the longitudinal direction L.
  • the second longitudinal pressing grooves 52 are arranged in a pair at intervals in the width direction W.
  • the longitudinal ends of the second longitudinal pressing groove 52 are located in the front area FA and the rear area BA of the absorbent article, respectively.
  • the longitudinal end of the second longitudinal pressing groove 52 is, for example, the inside in the longitudinal direction of the central area CA, and is opposed to the end 51FE, 51FB of the first longitudinal pressing groove 51 in the width direction W It may be a position to
  • the second longitudinal pressing groove 52 has a continuous linear shape in which at least one or more places are partially adjacent to the first longitudinal pressing groove 51 inside in the width direction. That is, the absorber 30 sandwiched by the pair of second longitudinal pressing grooves 52 has at least one or more constricted portions 55 in which the distance between the pair of second longitudinal pressing grooves is narrowed in the width direction W.
  • FIG. 1 an example is shown in which the second longitudinal compression grooves 52 are in close proximity to the first longitudinal compression grooves 51 in the width direction at three locations. That is, in the example of FIG. 1, three constricted portions 55 are provided.
  • one portion of the constricted portion 55 is provided on the center line CACL along the width direction W, passing through the center of the center area CA in the longitudinal direction.
  • the absorbent article according to the first embodiment of the present invention is a napkin for day use, and since the length in the longitudinal direction L of the front region is the same as the length in the longitudinal direction L of the rear region
  • the longitudinal center is the longitudinal center of the absorbent body and the longitudinal center of the absorbent article 1.
  • the second width squeezing groove 54 is provided to connect the pair of second longitudinal squeezing grooves 52 between the pair of second longitudinal squeezing grooves 52. Specifically, second width squeezing groove 54 is arranged to connect the front ends of the pair of second longitudinal squeezing grooves 52 in front side area FA of the absorbent article, and in back side area BA of the absorbent article A second width squeezing groove 54 is disposed to connect the rear end portions of the pair of second longitudinal squeezing grooves 52.
  • the second longitudinal squeezing groove 52 and the second width squeezing groove 54 are disposed continuously, and are annular in plan view.
  • the second longitudinal pressing groove 52 and the second width pressing groove 54 are disposed so as to surround the first longitudinal pressing groove 51 and the first width pressing groove 53.
  • the first longitudinal compression groove 51 and the second longitudinal compression groove 52 may be formed to be inclined with respect to a straight line along the longitudinal direction L, and a straight line along the longitudinal direction L, and the first longitudinal compression groove
  • the angle (the acute angle side) formed by the 51 or the second longitudinal pressing groove 52 is 45 degrees or less.
  • the first width compression groove 53 and the second width compression groove 54 may be formed to be inclined with respect to the straight line along the width direction W, and the straight line along the width direction W and the first width
  • the angle (sharp side) formed by the pressing groove 53 or the second width pressing groove 54 is less than 45 degrees.
  • the longitudinal squeezing groove and the width squeezing groove may be connected as in the present embodiment, or may be spaced apart.
  • the first width squeezing groove 53 may be spaced apart from the first longitudinal squeezing groove 51 and may be disposed longitudinally outside the first longitudinal squeezing groove 51, or the first longitudinal squeezing groove 51. And may be disposed on the inner side in the width direction than the first longitudinal pressing groove 51.
  • the second width squeezing groove 54 may be spaced apart from the second longitudinal squeezing groove 52 and may be disposed longitudinally outside the second longitudinal squeezing groove 52, or may be spaced apart from the second longitudinal squeezing groove 52. It may be arranged inside the second longitudinal pressing groove 52 in the width direction.
  • the first longitudinal pressing groove 51 has a high pressing portion 56 and a low pressing portion 57.
  • FIG. 2A is a schematic cross-sectional view of the AA cross section of FIG. 1, and the AA cross section is a cross section at the central line CACL. As shown in FIGS. 1 and 2A, the pressing portion of the first longitudinal pressing groove 51 on the AA cross section is a low pressing portion 57.
  • FIG. 2 (b) is a schematic cross-sectional view of the BB cross section of FIG. 1, and as shown in FIGS. 1 and 2 (b), the squeezing of the first longitudinal pressing groove 51 on the BB cross section. The part is a low pressure part 57.
  • the high pressing part 56 is a region compressed by a force higher than that of the low pressing part 57, and is, for example, a collection of point-like pressing parts.
  • a plurality of point-like pressing parts included in the high-pressure pressing part 56 are arranged side by side at intervals, and are configured to form a certain area as a whole.
  • the length L1 of the longitudinal direction inner side of the width direction of the high pressing part 56 is a width direction outer side. Longer than the longitudinal direction L2. That is, the high-pressure pressing portion 56 has a convex shape on the outer side in the width direction.
  • the distance D1 between the end in the longitudinal direction L1 of the high pressing part 56 and the second longitudinal pressing groove 52 in the width direction W is the distance between the end in the longitudinal direction L2 and the second longitudinal pressing groove W It can be made longer than D2, and the pressure in the width direction of the absorber 30 by the surface sheet 10 can be reduced.
  • the low compression part 57 is a region compressed by a lower force than the high compression part 56.
  • the high pressing portions 56 and the low pressing portions 57 provided in the first longitudinal pressing groove 51 have predetermined lengths along the longitudinal direction L. They are alternately arranged at intervals of L3.
  • the low pressing part 57 includes not only the area
  • the pressing groove 50 Since the pressing groove 50 has a high density, it has a structure in which the body fluid of the wearer tends to be concentrated as compared with the portion which is not compressed or compressed by a weak force.
  • the first longitudinal squeezing groove 51 positioned inside in the width direction is provided with the high-pressure pressing part 56 and the low-pressure pressing part 57 having different densities, so that It is possible to reduce the concentration of inflow of body fluid.
  • the squeezed part in the first longitudinal compressed groove 51 opposed in the width direction to the constricted part 55 on the center line CACL is It is desirable that it is a low pressure squeezed portion 57.
  • the body fluid of the wearer is first discharged to the central portion of the absorber 30, and then reaches the first longitudinal pressing groove 51, and a predetermined amount of body fluid remains. When the body fluid further increases, the body fluid flows from the first longitudinal compression groove 51 in the direction of the width direction outward, and is directed to the second longitudinal compression groove 52.
  • the low-pressure squeezed portion 57 having a lower density is provided on the inner side in the width direction of the constricted portion 55 where the body fluid tends to concentrate, so that the concentration of the body fluid flowing from the first squeeze groove 51 to the width direction outer It can be reduced.
  • the high compression parts 56 and the low compression parts 57 may be formed to include an area compressed with a high force and an area compressed with a low force in the respective areas, or the whole may be compressed by the same force. It may be formed. Further, the high-pressure squeezed portion 56 and the low-pressure squeezed portion 57 may be compressed from the top sheet 10 side toward the back sheet 20 side, or even from the back sheet 20 side toward the top sheet 10 side. A pressed portion compressed from the top sheet 10 side toward the back sheet 20 and a pressed portion compressed from the back sheet 20 side toward the top sheet 10 may be formed.
  • the second longitudinal pressing groove 52 has a high pressing portion 56.
  • the high compression parts 56 in the second longitudinal compression grooves 52 are regions compressed by substantially the same force as the high compression parts 56 in the first longitudinal compression grooves 51, and are, for example, a collection of point compression parts.
  • a plurality of point-like pressing parts included in the high-pressure pressing part 56 are arranged side by side at intervals, and are configured to form a constant line as a whole.
  • the first width squeezing groove 53 is configured such that the high-pressure squeezed portion 56 in the first longitudinal squeezing groove 51 continuously forms an arc-shaped line.
  • the second width squeezing groove 54 is configured such that the high-pressure squeezed portion 56 in the second longitudinal squeezing groove 52 continuously forms an arc-shaped line.
  • the total depth with the dimension from the side is preferably 0.1 mm or more and 20 mm or less, but may be shallower than the thickness of the absorbent article.
  • the depth of the groove on the skin contact surface side may be 20 to 50% of the thickness of the absorbent article, but it is 30 to 60 in consideration of the fluidity of the liquid and the deformability from the groove as the folding start point. % Is preferred.
  • the thickness of the high pressing parts 56 and the low pressing parts 57 on the garment contact surface side of the absorber may be 5 to 20% of the thickness of the absorbent article, and the average depth of the low pressing parts 57 is It may be smaller than the high-pressure pressing part 56.
  • the depth of the pressing portion on the garment contact surface side is smaller than 5%, the deformability and flexibility of the pressing portion deteriorate. If it exceeds 20%, the pressing part itself becomes too deep and becomes fragile.
  • the pressing portion on the garment contact surface side is 4 mm
  • the low pressing portion 57 on the garment surface is 0.2 mm
  • the pressing portion 56 is It is preferable that the point-like pressing part contained is 0.8 mm.
  • the shape of the point-like pressing part included in the high-pressure pressing part 56 on the garment contact surface side may be dot-like, grid-like, oval-like, etc. However, when the point-like pressing parts are alternately arranged, the grid-like The groove is easy to process.
  • the size of the pressing part is preferably 0.5 mm 2 to 100 mm 2
  • the pitch of the pressing part is preferably 0.5 mm to 3 mm.
  • the shape of the point-like pressing part included in the high-pressure pressing part 56 is a rhombus 0.64 mm 2
  • the pressing part surrounding the point-like pressing part included in the high-pressure pressing part 56 has a grid shape In this case, it is 1.92 mm 2
  • the point-like pressing part is repeated at 0.8 mm pitch.
  • the processing method of the pressing groove 50 is, for example, the following method. It passes between the embossing rolls facing each other in the vertical direction, and is pressed in the vertical direction by the embossing rolls to form a squeezed portion. In the contact surface of the upper emboss roll with the skin contact surface side of the absorbent article, a substantially elliptical groove with a continuous depth of one step is disposed. A groove having a step depth is disposed on the contact surface of the lower emboss roll with the garment contact surface side of the absorbent article.
  • the processing method of the pressing groove 50 is not limited to this, and the upper and lower sides of the roll are reversed, the pattern shape of the depth of two steps is changed, and the temperature which is embossing conditions and the distance between the rolls are appropriately adjusted. It is also good.
  • the one or more constricted portions 55 and the first longitudinal pressing groove 51 include the high pressing portion 56 and the low pressing portion 57, and the second The longitudinal squeeze groove 52 comprises only the high pressure squeezed portion 56.
  • the absorbent article 1 according to the first embodiment of the present invention includes a plurality of (three places) constricted portions 55, the force applied to the constricted portions 55 is dispersed and the stress is propagated, thereby suppressing the stress concentration. it can. Therefore, the durability of the absorbent article is improved, and even when the absorbent article 1 is used for a long time, the curing of the absorber is suppressed, or the width of only the area in contact with the excretion opening is shortened. Can be suppressed.
  • the plurality of narrowed portions 55 are respectively shifted in the longitudinal direction, even when the absorbent article 1 is displaced to the front side or the rear side, the stress is dispersed in the narrowed portions 55 and the widthwise inner side The absorber 30 can be compressed. Therefore, the fit and wearing feeling of the absorbent article 1 of a wearer can be improved.
  • the high pressing parts 56 and the low pressing parts 57 provided in the first longitudinal pressing groove 51 are alternately arranged in the longitudinal direction, the small thickness (high density) region and large thickness of the absorber 30 (density And lower regions) are alternately arranged.
  • the diffusion of the body fluid in the direction of the constricted portion 55 in the pressing groove 50 is suppressed, and the product exterior of the body fluid is reduced, as compared with the case where the pressing portion is constituted only by the pressing portion continuously compressed with the same level of force. Leaks can be prevented.
  • the shape of the necked portion 55 can be stably maintained by preventing the situation where the body fluid is likely to leak from the vicinity of the necked portion 55 in advance. That is, it is easy to maintain the shape in which the absorbent body 30 is compressed between the outer side in the width direction from the outer side in the width direction while being held between the legs of the wearer, and maintain a shape free from leakage for a long time it can.
  • FIG. 4A is a plan view of an absorbent article 1A according to a first modification of the first embodiment.
  • FIG. 4 (b) is an enlarged view of the pressing groove 50.
  • Absorbent article 1A of the 1st modification in a 1st embodiment has a plurality of constriction parts 55, the 1st longitudinal pressing slot 51 is provided only with high-pressure pressing part 56, and the 2nd longitudinal pressing slot 52 is high.
  • a pressing unit 56 and a low pressing unit 57 are provided.
  • the high pressing parts 56 and the low pressing parts 57 provided in the second longitudinal pressing groove 52 are alternately arranged in the longitudinal direction.
  • the other configuration included in the absorbent article 1A of the first modification in the first embodiment may be the same as the configuration included in the absorbent article 1 of the first embodiment.
  • the length of the longitudinal direction width direction outer side of the high pressing part 56 is width Longer than the inner longitudinal length. That is, the high-pressure pressing portion 56 has a convex shape inward in the width direction.
  • the distance D1 between the end in the longitudinal direction L1 of the high pressing part 56 and the low pressing part 52 in the width direction W is longer than the distance D2 between the end in the longitudinal direction L2 and the low pressing part 52 in the width direction W It is possible to reduce the pressure inward in the width direction of the absorber 30 by the topsheet 10. That is, concentration of body fluid on the constricted portion 55 can be suppressed.
  • FIG.5 (a) is a top view of the absorbent article 1B in the 2nd modification in 1st Embodiment.
  • FIG. 5 (b) is an enlarged view of the pressing groove 50.
  • the absorbent article 1B in the second modified example of the first embodiment has a plurality of constricted portions 55 similarly to the absorbent article 1 of the first embodiment, and the first longitudinal pressing groove 51 is a high pressing portion 56 and the pressing part 57, and the second longitudinal pressing groove 52 comprises only the pressing part 56.
  • the high pressing parts 56 and the low pressing parts 57 provided in the first longitudinal pressing groove 51 are alternately arranged in the longitudinal direction.
  • the other configuration included in the absorbent article 1A of the second modified example in the first embodiment may be the same as the configuration included in the absorbent article 1 of the first embodiment.
  • a plurality of narrow portions 55 in the second modification of the first embodiment are arranged, and one of them is provided on the center line CACL as in the first embodiment.
  • the pressing part of the 1st pressing groove 51 which opposes the narrow part 55 on the central line CACL in the width direction W is the low pressing part 57. As shown in FIG.
  • the length W2 in the width direction of the low pressing portion 57 connecting the high pressing portions 56 provided in the first longitudinal pressing groove 51 is the width direction of the high pressing portion 56. Shorter than the length W1. Therefore, the density of the absorber 30 in contact with the low compression parts 57 and the low compression parts 57 in the first longitudinal compression groove 51 on the outer side in the width direction can be reduced, so diffusion of body fluid in the constriction part 55 can be suppressed.
  • one of the end portions in the longitudinal direction L of the plurality of second curved portions passes through the center in the longitudinal direction L of the central region and is disposed on the central line CACL along the width direction W, the wearer can The center position of the area where the discharge port abuts can be grasped, and it becomes a standard at the time of wearing. Therefore, the wearer can easily arrange the absorbent article at the correct position, and the displacement of the wearing position can be prevented. By appropriately arranging the absorbent article, the designed absorption performance can be exhibited.
  • the hardness of the absorbent article or the like can be measured, for example, using the Gurley method defined in JIS-1096.
  • the fabric weight and density of an absorber can be measured by the following measuring methods, for example.
  • the absorbent article wrapped by the package the package is opened, and the folded absorbent article is developed to measure the thickness and area of the portion for measuring the fabric weight and density.
  • the part which measures a fabric weight and a density is cut out from an absorbent article, and the weight of the cut out part is measured.
  • parts other than an absorber such as a top sheet and a back sheet, are removed from the cut out part, and the weight of an absorber is measured.
  • the basis weight is calculated based on the weight of the absorber and the area of the portion where the basis weight and density are to be measured.
  • the density is calculated based on the basis weight and thickness.
  • the thickness can be measured by the following measurement method. Specifically, the absorbent article of the sample is impregnated with liquid nitrogen and frozen, then cut with a razor and returned to normal temperature, and then 50 times using an electron microscope (for example, Keyence VE 7500) Measure by magnification.
  • an electron microscope for example, Keyence VE 7500
  • the reason for freezing the absorbent article of the sample is to prevent thickness variation due to compression at the time of cutting.
  • the manufacturing method of an absorbent article performs a surface sheet production process as a 1st step.
  • a top sheet bonding step is performed as a second step. Specifically, the topsheet 10 and the sidesheets 41 and 42 are bonded, for example, by heat welding.
  • an absorbent body molding process is performed. Specifically, the pulp to be the material of the absorbent is molded by a molding drum to mold the absorbent 30.
  • the order of the manufacturing process of the surface sheet 10 of a 1st step and a 2nd step, and the absorber formation process of a 3rd step may be reverse order.
  • a bonding process is performed. Specifically, a bonding step of bonding the absorber molded in the third step and the top sheet 10 and the side sheets 41 and 42 bonded in the second step is performed.
  • a squeezing step is performed. Specifically, the absorber 30 and the surface sheet 10 are compressed in the thickness direction to form the pressing groove 50.
  • a back sheet bonding step is performed. Specifically, the back sheet 20 is joined to the absorbent body and the top sheet 10 or the like in which the pressing portion is formed. After bonding the back sheet 20, a step of applying an adhesive is provided.
  • the absorbent article in the present embodiment can be manufactured by the above steps.
  • the 1st longitudinal pressing groove 51 has the high pressing part 56a and the low pressing part 57a.
  • the high pressing portions 56 a and the low pressing portions 57 a are alternately arranged along the longitudinal direction L in the first longitudinal pressing groove 51.
  • FIG. 7A is a schematic cross-sectional view of the CC cross section of FIG. 6, and the CC cross section is a cross section at the center line CACL.
  • the pressing groove of the first longitudinal pressing groove 51 on the CC cross section is a low pressing portion 57a.
  • 7B is a schematic cross-sectional view of the DD cross section of FIG. 6, and as shown in FIG. 6 and FIG. 7B, the squeezing of the first longitudinal pressing groove 51 on the DD cross section is carried out.
  • the ditch is a high-pressure pressing part 56a.
  • the high pressing part 56a is a region where the density of the absorber 30 is higher than that of the low pressing part 57a, which is compressed by a stronger force than the low pressing part 57a.
  • the low pressure squeezed portion 57a is a region in which the density of the absorber 30 is lower than that of the high pressure squeezed portion 56a, which is compressed with a weaker force than the high pressure squeezed portion 56a.
  • the high pressing part 56a and the low pressing part 57a are, for example, a collection of point-like pressing parts. A plurality of dotted pressing parts are arranged side by side at intervals, and are configured to form a constant area as a whole.
  • the low pressing part 57a may be an area
  • the 2nd longitudinal pressing groove 52 has the high pressing part 56b and the low pressing part 57b.
  • the high compression parts 56 b and the low compression parts 57 b are alternately arranged along the longitudinal direction L in the second longitudinal compression groove 52.
  • the pressing groove of the second longitudinal pressing groove 52 on the CC cross section is the high pressing portion 56b.
  • the pressing groove of the second longitudinal pressing groove 52 on the DD cross section is the low pressing portion 57b.
  • the second longitudinal pressing groove 52 is curved and extends in the longitudinal direction.
  • the high-pressure squeezed portion 56 b is a region in which the density of the absorber 30 is higher than that of the low-pressure squeezed portion 57 b, which is compressed by a stronger force than the low-squeezed portion 57 b.
  • the low pressure squeezed portion 57b is a region in which the density of the absorber 30 is lower than that of the high pressure squeezed portion 56b, which is compressed with a weaker force than the high pressure squeezed portion 56b.
  • the high pressing part 56 b and the low pressing part 57 b are, for example, a collection of point-like pressing parts. A plurality of dotted pressing parts are arranged side by side at intervals, and are configured to form a constant area as a whole.
  • the low pressing part 57a may be an area
  • the low compression part 57a included in the first longitudinal compression groove 51 and the high compression part 56b included in the second longitudinal compression groove 52 are disposed to face each other in the width direction W line. That is, on the width direction W line, the low pressure squeezed portion 57a included in the first longitudinal squeezing groove 51 and the high pressure squeezed portion 56b included in the second longitudinal squeezing groove 52 are adjacent to each other.
  • the portion 56 a is disposed along the longitudinal direction so as to be adjacent to the low pressing portion 57 b included in the second longitudinal pressing groove 52.
  • the body fluid of the wearer is preferentially accumulated in the portion of the absorbent body 30 which is more strongly compressed and denser. Therefore, after the body fluid of the wearer is first discharged to the central portion of the absorbent article 1, it reaches the first longitudinal squeezing groove 51 located inside in the width direction of the absorbent article 1, and the predetermined amount of body fluid remains. . When the body fluid further increases, the body fluid flows from the low pressure squeezed portion 57 a in the first longitudinal squeezing groove 51 in the direction of the width direction outer side of the absorbent article 1 and reaches the second longitudinal squeezing groove 52.
  • the absorbent article 1 according to the second embodiment is disposed such that the low pressing parts 57 a in the first longitudinal pressing groove 51 and the high pressing parts 56 b in the second longitudinal pressing groove 52 are adjacent in the width direction W. Be done.
  • the body fluid is not diffused. Body fluid can be drawn into the second longitudinal pressing groove 52 more smoothly.
  • the high pressing portions 56b and the low pressing portions 57b are alternately arranged along the longitudinal direction L.
  • the body fluid is difficult to diffuse along the That is, the body fluid flowing from the first longitudinal pressing groove 51 into the high pressing portion 56b of the second longitudinal pressing groove 52 permeates in the high pressing portion 56b, and the density of the absorber 30 is relatively low toward the low pressing portion 57b. It is hard to spread. Therefore, peeling of the surface sheet 10 and the absorber 30 caused by the expansion of the permeation part of the absorber 30 along the longitudinal direction L of the second longitudinal pressing groove 52 can be prevented.
  • thickness T1 in the high pressing part 56b contained in the 2nd longitudinal pressing groove 52 is thinner than thickness T3 in the low pressing part 57b.
  • the depth of the pressing groove 50 in the absorbent article having a thickness of 7 mm is 0.8 mm in the high pressing portion 56a of the first longitudinal pressing groove 51 and 0.2 mm in the low pressing portion 57a. It is preferable that the high pressing part 56a in the above is 0.8 mm and the low pressing part 57b is 0.2 to 0.5 mm.
  • the pressing groove 50 provided in the absorbent article in the second embodiment includes the pair of first longitudinal pressing grooves 51 and the first longitudinal pressing in the width direction W of the product orthogonal to the longitudinal direction L.
  • the groove 51 has a pair of second longitudinal compression grooves 52 located outside the groove 51, and the first longitudinal compression grooves 51 and the second longitudinal compression grooves 52 are alternately arranged along the longitudinal direction.
  • the low-pressure squeezing portion 57a including the high-pressure squeezing portions 56a and 58 and the low-pressure squeezing portions 57a and 59, and the high-pressure squeezing portion 56b included in the first longitudinal squeezing groove They are disposed adjacent to each other in the width direction W.
  • FIG. 9 is an enlarged plan view of the pressing groove 50 of the absorbent article 1 in the first modified example of the second embodiment.
  • the other configuration included in the absorbent article 1 in the first modification in the second embodiment may be the same as the configuration included in the absorbent article 1 in the second embodiment.
  • the low compression parts 57 b included in the second longitudinal compression grooves 52 are the low compression parts in the first longitudinal compression grooves 51. It exists on the extension line which extended the edge
  • the shape of the low pressure squeezed portion 57a of the first longitudinal squeezing groove 51 is an arrow U1 indicating an extended line obtained by extending the side S of the first longitudinal squeezing groove 51 outward in the width direction.
  • the second longitudinal compression groove 52 is configured to point to the low compression portion 57 b.
  • FIG. 10 is the top view to which the pressing groove 50 of the absorbent article 1 in the 2nd modification in 2nd Embodiment was expanded.
  • the other configuration included in the absorbent article 1 in the second modified example of the second embodiment may be the same as the configuration included in the absorbent article 1 of the second embodiment.
  • the high-pressure pressing part 56a included in the first longitudinal pressing groove 51 has a convex shape outward in the width direction.
  • the longitudinal direction length L4 of the high-pressure pressing part 56a in the absorbent article 1 of the second modified example of the second embodiment is the width of the high-pressure pressing part 56a. It is configured to be longer than the longitudinal length L5 on the outer side in the width direction and to include L5 in the longitudinal direction L.
  • the body fluid of the wearer flows from the inside in the width direction to the outside in the width direction along the convex shape outward in the width direction of the high pressing portion 56a. That is, the body fluid flows in the direction of arrow U2 shown in FIG. And since the high compression parts 56a included in the first longitudinal compression grooves 51 and the low compression parts 57b included in the second longitudinal compression grooves 52 are arranged adjacent to each other in the width direction, the body fluid is an arrow It flows toward U pressing part 57b included in the second longitudinal pressing groove 52 along U2.
  • the high-pressure squeezed portion 56b is a portion where the pressure bonding force between the surface sheet 10 and the absorber 30 is high. It is possible to make it difficult for fluid to flow. As a result, since the pressure-bonding force in the high-pressure squeezed portion 56 b does not decrease, the surface sheet 10 and the absorber 40 can be hardly peeled off.
  • FIG. 11 is the top view to which the pressing groove 50 of the absorbent article 1 in the 3rd modification in 2nd Embodiment was expanded.
  • the other configuration included in the absorbent article 1 in the third modified example of the second embodiment may be the same as the configuration included in the absorbent article 1 of the second embodiment.
  • the widthwise length W1 of the second longitudinal pressing groove 52 is longer than the longest widthwise length W2 of the first longitudinal pressing groove 51.
  • the widthwise length W7 of the second longitudinal pressing groove 52 is 3 mm
  • the widthwise length W4 of the first longitudinal pressing groove 51 is 2 mm.
  • Absorbent article 1 leaks the body fluid of the wearer more easily in the width direction than in the longitudinal direction. Therefore, as described above, by making the width direction length W1 longer than W2, in the width direction W relative to the longitudinal direction L, the absorbent body 1 of the wearer's bodily fluid in the second longitudinal pressing groove 52 of the absorbent article 1 The effect of suppressing diffusion can be increased. Specifically, even when the body fluid reaches the second longitudinal compressed groove 52, the area in which the topsheet 10 and the absorber 30 are crimped is increased, and the inflow of the body fluid into the second longitudinal compressed groove 52 You can increase the amount possible. Therefore, it can be set as the structure which peeling of the surface sheet 10 and the absorber 30 does not produce easily.
  • the pressing groove may have at least a first longitudinal pressing groove and a second longitudinal pressing groove, and may not have the first width pressing groove and / or the second width pressing groove.
  • the absorbent article is not limited to the sanitary napkin, and may be an absorbent pad or a panty liner. Also, for example, the absorbent article may have a gather formed at the widthwise outer end of the absorbent.
  • CA central area FA ... front area BA ... back area L ... longitudinal direction T ... thickness direction W ... width direction 1 ... absorbent article 10 ... surface sheet 20 ... back sheet 30 ... absorber 41, 42 ... side sheet 43, 44 wing portion 50 pressing groove 51 first longitudinal pressing groove 52 second longitudinal pressing groove 53 first width pressing groove 54 second width pressing groove 55 constricted portion 56 high pressing portion 57 low pressing portion

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

L'invention concerne un article absorbant (1), qui comprend des rainures de compression (50) dans lesquelles une feuille de surface (10) et un absorbant (30), qui s'étendent dans la direction longitudinale (L), sont comprimés dans la direction d'épaisseur (T). Lesdites rainures de compression (50) comprennent une paire de premières rainures de compression longitudinale (51) et une paire de secondes rainures de compression longitudinale (52) disposées à l'extérieur des premières rainures de compression longitudinale (51) dans la direction de largeur (W). L'absorbant (30) interposé entre la paire de secondes rainures de compression longitudinale (52) comprend au moins une section limitée (55), dans laquelle l'intervalle entre la paire de secondes rainures de compression longitudinale (52) se réduit dans la direction de largeur (W). Dans les premières rainures de compression longitudinale (51) ou les secondes rainures de compression longitudinale (52), des sections à compression élevée (56) et des sections à faible compression (57) sont disposées de façon alternée dans la direction longitudinale (L), et l'autre des premières rainures de compression longitudinale (51) et des secondes rainures de compression longitudinale (52) comprend uniquement une section à compression élevée (56).
PCT/JP2014/080048 2013-11-14 2014-11-13 Article absorbant WO2015072502A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2013-236289 2013-11-14
JP2013236289A JP5766253B2 (ja) 2013-11-14 2013-11-14 吸収性物品
JP2013-236310 2013-11-14
JP2013236310A JP5766254B2 (ja) 2013-11-14 2013-11-14 吸収性物品

Publications (1)

Publication Number Publication Date
WO2015072502A1 true WO2015072502A1 (fr) 2015-05-21

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WO (1) WO2015072502A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109152683A (zh) * 2016-06-14 2019-01-04 大王制纸株式会社 吸收性物品
EP3470036A4 (fr) * 2016-06-14 2019-04-17 Daio Paper Corporation Article absorbant

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004113538A (ja) * 2002-09-27 2004-04-15 Daio Paper Corp 体液吸収性物品
JP2004154154A (ja) * 2002-09-09 2004-06-03 Uni Charm Corp 弾性復元部を有する吸収性物品およびその製造方法
JP2008541943A (ja) * 2005-06-02 2008-11-27 ザ プロクター アンド ギャンブル カンパニー 横方向強化要素を有する吸収性物品
JP2010148706A (ja) * 2008-12-25 2010-07-08 Uni Charm Corp 吸収性物品
JP2012120792A (ja) * 2010-12-10 2012-06-28 Daio Paper Corp 吸収性物品
WO2013154087A1 (fr) * 2012-04-09 2013-10-17 ユニ・チャーム株式会社 Objet absorbant
JP2014018480A (ja) * 2012-07-19 2014-02-03 Uni Charm Corp 吸収性物品

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004154154A (ja) * 2002-09-09 2004-06-03 Uni Charm Corp 弾性復元部を有する吸収性物品およびその製造方法
JP2004113538A (ja) * 2002-09-27 2004-04-15 Daio Paper Corp 体液吸収性物品
JP2008541943A (ja) * 2005-06-02 2008-11-27 ザ プロクター アンド ギャンブル カンパニー 横方向強化要素を有する吸収性物品
JP2010148706A (ja) * 2008-12-25 2010-07-08 Uni Charm Corp 吸収性物品
JP2012120792A (ja) * 2010-12-10 2012-06-28 Daio Paper Corp 吸収性物品
WO2013154087A1 (fr) * 2012-04-09 2013-10-17 ユニ・チャーム株式会社 Objet absorbant
JP2014018480A (ja) * 2012-07-19 2014-02-03 Uni Charm Corp 吸収性物品

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109152683A (zh) * 2016-06-14 2019-01-04 大王制纸株式会社 吸收性物品
EP3470036A4 (fr) * 2016-06-14 2019-04-17 Daio Paper Corporation Article absorbant
EP3470037A4 (fr) * 2016-06-14 2019-04-17 Daio Paper Corporation Article absorbant
US11285054B2 (en) 2016-06-14 2022-03-29 Daio Paper Corporation Absorbent article
US11510828B2 (en) 2016-06-14 2022-11-29 Daio Paper Corporation Absorbent article

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