WO2018029785A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2018029785A1
WO2018029785A1 PCT/JP2016/073449 JP2016073449W WO2018029785A1 WO 2018029785 A1 WO2018029785 A1 WO 2018029785A1 JP 2016073449 W JP2016073449 W JP 2016073449W WO 2018029785 A1 WO2018029785 A1 WO 2018029785A1
Authority
WO
WIPO (PCT)
Prior art keywords
pair
absorbent article
portions
sheet
width direction
Prior art date
Application number
PCT/JP2016/073449
Other languages
English (en)
Japanese (ja)
Inventor
雅史 北川
央 橋野
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
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
Priority to PCT/JP2016/073449 priority Critical patent/WO2018029785A1/fr
Priority to CN201680087914.3A priority patent/CN109562002B/zh
Priority to JP2018533342A priority patent/JP6758384B2/ja
Priority to KR1020197002001A priority patent/KR102570212B1/ko
Publication of WO2018029785A1 publication Critical patent/WO2018029785A1/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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51104—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
    • 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
    • A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
    • A61F13/47218—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/531—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 absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532—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 absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/533—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 absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/535—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 absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
    • A61F13/536—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 absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes having discontinuous areas of compression
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F2013/51322—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability being elastomeric or stretchable
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F2013/51338—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having improved touch or feeling, e.g. smooth film
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F2013/53765—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F2013/53765—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry
    • A61F2013/53778—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry with grooves
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F2013/53791—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer being resilient or elastic

Definitions

  • This disclosure relates to absorbent articles such as sanitary napkins, panty liners, and incontinence pads.
  • Absorbent articles such as sanitary napkins, panty liners, and incontinence pads are worn for a long time while in contact with the wearer's crotch, so they are absorbed so as not to cause discomfort or discomfort to the wearer.
  • Absorbent articles have been studied in which an uneven structure is provided on the surface sheet of the absorbent article and the feeling of wearing is improved by reducing the contact area with the skin of the wearer.
  • Patent Document 1 includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and a liquid-retaining absorbent interposed between the two sheets.
  • the top sheet is formed by laminating a first layer disposed on the skin side and a second layer disposed on the absorber side, and partially at a joint portion of a predetermined pattern.
  • the first layer has a convex shape on the skin side other than the joint
  • the second layer is composed of a material exhibiting an elastomeric behavior
  • the entire sheet is a three-dimensional sheet exhibiting an elastomeric behavior
  • the top sheet is configured to cover the skin contact surface side and the side surface of the absorbent body, the wearer wears the absorbent article and wears the wearer.
  • the thighs of both legs press the absorbent article in the width direction, the hardness of the absorbent body, which is harder than that of the top sheet, is easily transmitted to the thighs of both legs of the wearer, and is arranged on the skin side of the top sheet.
  • the concavo-convex structure including a plurality of convex portions that are convex on the skin side is formed on the first layer, when the wearer moves the thighs of both legs back and forth by walking or the like, The convex part of the contact is in contact with the thighs of both legs of the wearer and is easily stimulated. As a result, the absorbent article may give the wearer an uncomfortable feeling. Then, this indication aims at providing the absorptive article in which a surface sheet has a concavo-convex structure which is easy to improve wearing nature by suppressing a feeling of strangeness at the time of wearing.
  • the absorbent article according to the present disclosure is: It has a longitudinal direction, a width direction, and a thickness direction, and has a skin facing surface and a non-skin facing surface, a liquid-permeable surface sheet, and an absorber positioned on the non-skin facing surface side with respect to the surface sheet, and An absorbent article comprising a sheet member and an adhesive part for fixing clothes,
  • the absorbent article in plan view, overlaps with the absorber in the thickness direction and corresponds to the excretion opening corresponding to the excretion opening, and a pair existing on both outer sides in the width direction of the excretion opening corresponding area.
  • the top sheet extending in the excretory opening corresponding region has a base end on each of a pair of side edge portions overlapping both side edges of the absorbent body extending in the longitudinal direction and the thickness direction. At least in each of the pair of excretory opening adjacent regions, it protrudes on both outer sides in the width direction, and is folded back at the outer end portion in the width direction, via a joint portion on the inner side in the width direction than the outer end portion. Having a pair of cushion portions formed by being joined to the seat member; The top sheet has a concavo-convex structure at least in the excretory opening corresponding region, but does not have a concavo-convex structure at the outer end.
  • the topsheet has a concavo-convex structure that is easy to improve the wearability by suppressing a sense of incongruity at the time of wearing.
  • FIG. 1 is a plan view of the sanitary napkin 1 according to the first embodiment of the present disclosure or the sanitary napkin 10 according to a modified example as viewed in the thickness direction from the surface sheet side.
  • FIG. 2 is a perspective view of the sanitary napkin 1 according to the first embodiment of the present disclosure in a developed state.
  • the sanitary napkin 1 according to the first embodiment of the present disclosure is an end view of the longitudinal end surfaces along the widthwise center axis C L extending in the longitudinal direction.
  • 4 is an end view of the sanitary napkin 1 according to the first embodiment of the present disclosure at the IV-IV end surface of FIG.
  • FIG. 5 is an enlarged view of a region X in FIG. FIG.
  • FIG. 6 is a schematic diagram of a state in which the sanitary napkin 1 according to the first embodiment of the present disclosure is worn.
  • FIG. 7 is an end view corresponding to the IV-IV end surface of FIG. 1 for the sanitary napkin 10 according to the second embodiment of the present disclosure.
  • FIG. 8 is an enlarged view of a region Y in FIG.
  • [Aspect 1] It has a longitudinal direction, a width direction, and a thickness direction, and has a skin facing surface and a non-skin facing surface, a liquid-permeable surface sheet, and an absorber positioned on the non-skin facing surface side with respect to the surface sheet, and An absorbent article comprising a sheet member and an adhesive part for fixing clothes, The absorbent article, in plan view, overlaps with the absorber in the thickness direction and corresponds to the excretion opening corresponding to the excretion opening, and a pair existing on both outer sides in the width direction of the excretion opening corresponding area.
  • the top sheet extending in the excretory opening corresponding region has a base end on each of a pair of side edge portions overlapping both side edges of the absorbent body extending in the longitudinal direction and the thickness direction. At least in each of the pair of excretory opening adjacent regions, it protrudes on both outer sides in the width direction, and is folded back at the outer end portion in the width direction, via a joint portion on the inner side in the width direction than the outer end portion. Having a pair of cushion portions formed by being joined to the seat member; The said surface sheet has an uneven structure at least in the said excretion opening corresponding
  • the absorbent article which concerns on this aspect has a pair of cushion part which has a specific structure
  • a wearer wears the said absorbent article and the thigh of a wearer's both legs has the said absorbent article in the width direction
  • the thighs of both legs of the wearer can easily sense the cushioning properties of the pair of cushion parts before the absorber contacts the thighs of both legs of the wearer.
  • the thigh of the legs of the wearer further presses the absorbent article in the width direction, the thigh of the legs of the wearer is It is easy to sense the cushioning properties of the pair of cushion portions gradually and stronger.
  • the absorbent article according to this aspect is The thighs of the legs of the wearer are made difficult to sense the hardness of the absorber.
  • the topsheet has a concavo-convex structure at least in the region corresponding to the excretion opening, the outer end portion of the pair of cushion portions does not have a concavo-convex structure. Even if the thigh is moved back and forth, it is difficult to receive stimulation from the pair of cushions. Therefore, the absorbent article which concerns on this aspect WHEREIN: In the absorbent article in which a surface sheet has an uneven structure, the discomfort at the time of wear is suppressed, and it is easy to improve mountability.
  • Each of the pair of cushion portions is located on the non-skin facing surface between the base end and the joint portion, and an upper cushion portion located on the skin facing surface between the base end and the joint portion.
  • the absorptive article according to aspect 1 which has a lower cushion part to perform, and the lower cushion part is separated from the sheet member.
  • each of the pair of cushion portions since each of the pair of cushion portions has a specific structure, each of the pair of cushion portions is easily deformed according to the shape of the thighs of both legs of the wearer. It is difficult to sense the hardness of the absorber on the thighs of both legs of the wearer, and in an absorbent article having a concavo-convex structure on the topsheet, it is easy to improve the wearability by suppressing a sense of incongruity during wearing.
  • Each of a pair of said cushion parts is an absorptive article according to mode 1 or 2 by which inner surfaces are not joined.
  • each of the pair of cushion portions has a specific structure, the flexibility in the cushion portion is hardly impaired, and the hardness and irritation of the absorber received by the thighs of both legs of the wearer are received. It makes it difficult to take a sensation and easily suppress a sense of incongruity when worn.
  • the absorbent article according to this aspect is made of an air-through nonwoven fabric in which the top sheet is arranged in a specific form, the outer surfaces of the pair of cushion portions have a smooth touch, and the thigh portions of the wearer's legs are on the cushion portion. Even if it contacts, there is little irritation
  • the concavo-convex structure includes a plurality of groove portions formed of embossed portions extending continuously or intermittently in the longitudinal direction and arranged in parallel in the width direction, and two adjacent ones of the plurality of groove portions in the width direction.
  • the absorbent article according to this aspect has a specific uneven structure, the liquid discharged from the wearer easily diffuses in the longitudinal direction, but hardly spreads in the width direction, and the thighs of both legs of the wearer It is difficult for the liquid to reach the cushion part where there are many contact opportunities, and it is easy to induce deformation in the width direction of the absorbent article, and the hardness and irritation of the absorber received by the thighs of both legs of the wearer are sensed. Make it difficult. As a result, the absorbent article according to the present disclosure easily suppresses a sense of incongruity when worn.
  • the absorbent article further includes a second sheet that exists between the topsheet and the absorbent body in at least a part of each region adjacent to the excretion opening and in the thickness direction, Any one of the aspects 1 to 5, wherein both end portions in the width direction of the second seat overlap with each of the pair of cushion portions in the thickness direction and are not joined to each of the pair of cushion portions.
  • the absorbent article according to one item.
  • the cushion part is difficult to be crushed and its flexibility is not easily impaired, and the thighs of both legs of the wearer Makes it difficult to sense the hardness and irritation of the absorbent body, and it is easy to suppress a sense of incongruity when worn.
  • the absorbent article according to this aspect since the sheet member is arranged in a specific form in relation to the absorbent body, the absorbent body does not exist at a position overlapping with the cushion part in the thickness direction, and the cushion part is worn. It is difficult to inhibit deformation according to the shape of the thighs of both legs of the person. As a result, the absorbent article which concerns on this aspect is easy to suppress the discomfort at the time of wear.
  • the absorbent body since the absorbent body has a specific shape, it is easy to suppress the contact opportunity between the absorbent body and the thighs of both legs of the wearer in the excretory opening corresponding region, and the absorbent body is the wearer. It is easy to abut the thighs of both legs through the pair of cushion parts, making it difficult to sense the hardness and irritation of the absorbent body received by the thighs of both legs of the wearer, and to easily suppress the uncomfortable feeling at the time of wearing .
  • the absorbent article has a pair of pressing portions in the topsheet and the absorbent body at least in the excretory opening corresponding region, and each of the pair of pressing portions is along each of the pair of side edge portions.
  • the absorbent article according to any one of aspects 1 to 8, wherein the absorbent article extends.
  • the absorbent article which concerns on this aspect has a predetermined pressing part
  • a cushion part stands on the skin opposing surface side from the said pressing part, and it is easy to deform
  • the maximum height of the pair of cushion portions in the natural state and the maximum height of the excretory opening corresponding region are in a predetermined relationship, and each of the pair of cushion portions is the thigh of the wearer's legs. Since it is easy to deform
  • longitudinal direction refers to “a direction in which the length of a vertically long object in plan view is long”
  • width direction refers to “a direction in which the length of a vertically long object in plan view is short (short side).
  • Direction) and“ thickness direction ”means“ perpendicular direction with respect to the object placed on the horizontal plane in the unfolded state ”.
  • the longitudinal direction, the width direction, and the thickness direction are orthogonal to each other.
  • vertical elongated object e.g., an absorbent article, the absorbent body, etc.
  • a refers to the width direction of the inner "," in the width direction of the vertically elongated object, the relatively distal “with respect to the widthwise central axis C L of" outward in the width direction ".
  • the absorbent article “the one side which is relatively proximal to the abdomen of the wearer when the wearer wears the absorbent article in the longitudinal direction of the absorbent article” is referred to as “the absorbent article”.
  • the “other side that is relatively proximal” is referred to as “the rear side of the absorbent article”.
  • region of an absorbent article point out the area
  • “relatively proximal to the skin facing surface of the wearer when the absorbent article is worn” "Surface side” is referred to as “relatively distal to the wearer's skin facing surface when the absorbent article is worn” and is referred to as “non-skin facing surface side”.
  • “surface on the skin facing surface side” and “surface on the non-skin facing surface side” of various members constituting the absorbent article each is simply referred to as “skin facing surface” and “non-skin facing surface”.
  • FIG. 1 is a plan view of the sanitary napkin 1 according to the first embodiment of the present disclosure as viewed in the thickness direction from the top sheet side.
  • FIG. 2 is a perspective view of the sanitary napkin 1 according to the first embodiment of the present disclosure in a developed state.
  • the sanitary napkin 1 according to the first embodiment of the present disclosure is an end view of the longitudinal end surfaces along the widthwise center axis C L extending in the longitudinal direction.
  • 4 is an end view of the sanitary napkin 1 according to the first embodiment of the present disclosure at the IV-IV end surface of FIG.
  • FIG. 5 is an enlarged view of a region X in FIG.
  • the upper side of the drawing corresponds to the front side of the absorbent article
  • the lower side of the drawing corresponds to the rear side of the absorbent article.
  • the sanitary napkin 1 has a vertically long outer shape having a longitudinal direction L and a width direction W in plan view.
  • An absorption main body 2 having a longitudinal direction and a width direction and overlapping in the thickness direction T with an absorber 12 to be described later, and a pair of absorption side parts 3, 3 existing on both outer sides in the width direction W of the absorption main body 2.
  • the boundary in the longitudinal direction L between the absorbent main body 2 and each of the pair of absorbent side portions 3 and 3 ′ is both side edges 6 and 6 of the absorbent body 12 extending in the longitudinal direction L.
  • each of the pair of absorption side portions 3 and 3 ′ is equal to both side edges 4 and 4 ′ of the absorbent body 12 extending in the longitudinal direction L.
  • the length is the same as the length of the pair of side edge portions 7 and 7 ′ overlapping in the thickness direction T.
  • each of the pair of absorption side portions 3 and 3 ′ is outside the width direction W at a position closer to the front of the central portion in the longitudinal direction L of the absorption main body portion 2. It includes substantially trapezoidal flap portions 11, 11 'extending to the rear.
  • the absorbent main body 2 includes a liquid-permeable surface sheet 8 positioned on the skin-facing surface side of the sanitary napkin 1 in the thickness direction T, and a non-skin more than the surface sheet 8.
  • the water-repellent side sheets 13 and 13 ′ located on the opposite surface side, the absorbent body 12 located on the non-skin facing surface side with respect to the side sheets 13 and 13 ′, and the non-skin facing surface side with respect to the absorber 12
  • a plurality of adhesive fixing portions 15 that are arranged on the non-skin facing surface of the back sheet 14 and that extend continuously or intermittently in the width direction W. 2 is configured such that liquid excretion such as menstrual blood and urine discharged from the wearer can be absorbed and held by the absorbent body 12 while penetrating in the thickness direction T.
  • each of the pair of flap portions 11, 11 ′ includes side sheets 13, 13 ′ positioned on the skin facing surface side of the sanitary napkin 1 in the thickness direction T, as shown in FIGS.
  • a back sheet 14 positioned on the non-skin facing surface side of the side sheets 13 and 13 ′, and adhesive fixing portions 17 and 17 ′ for fixing clothes extending in the longitudinal direction L disposed on the non-skin facing surface of the back sheet 14. I have.
  • the non-skin facing surface of the absorbent main body 2 is attached to the skin facing surface of the wearer's underwear via the adhesive portion 15, and then a pair of flap portions 11, 11 ′ is fixed to the underwear by being attached to the non-skin facing surface of the underwear via the adhesive portions 17 and 17 ′ while being folded back to the non-skin facing surface side of the underwear. Therefore, the non-skin facing surfaces of the pair of flap portions 11 and 11 ′ are surfaces facing the wearer's skin when the sanitary napkin 1 is worn.
  • the adhesive used for the adhesive part 15 in the absorbent main body 2 and the adhesive parts 17 and 17 ′ in the flap parts 11 and 11 ′ for fixing the sanitary napkin 1 to the wearer's underwear is respectively physiological. If it can fix the napkin 1 for a wearer's underwear, it will not restrict
  • said pair of flap part is not an essential component in this indication, the absorbent article of this indication does not need to have the said pair of flap part.
  • each of the front end portion 4 and the rear end portion 5 is in the longitudinal direction L located on the front side of the sanitary napkin 1 in plan view, as shown in FIG. A front edge 23 and a rear edge 25 in the longitudinal direction L located on the rear side of the sanitary napkin 1.
  • the absorbent body 2 of the sanitary napkin 1 includes a front region 27 positioned near the front end 4 of the sanitary napkin 1 along the longitudinal direction L, and a rear end of the sanitary napkin 1. It has a rear region 31 located closer to the portion 5 and an excretory opening corresponding region 29 located between these regions 27 and 31.
  • region 27, 29, 31 is two virtual straight lines extended in the width direction W, ie, in the longitudinal direction L of each adhesion part 17 and 17 'of a pair of flap parts 11 and 11'.
  • the “excretion opening-corresponding area” refers to an area facing or abutting the wearer's excretion opening when the absorbent article is worn, and the type and use of the absorbent article (specifically, Is an area that is appropriately set for each type of absorbent article according to the type of liquid excreta such as urine, feces, menstrual blood, the age and sex of the intended wearer.
  • the excretory opening corresponding region is usually absorbed in a plan view when the absorbent article has a substantially central part in the longitudinal direction or a position closer to the front side (for example, if the absorbent article has an absorbent main body part and a flap part).
  • the absorbent article is composed of an absorbent main body part that has a constricted part that is constricted inside in the width direction at a substantially central part in the longitudinal direction.
  • the position corresponding to the constricted portion of the absorbent main body, and when the absorbent article is composed of an oblong absorbent main body the center in the longitudinal direction extending in the width direction of the absorbent main body
  • the longitudinal length of the absorbent article is about 1/3 or more of the longitudinal length of the absorbent article and the width of the absorbent article is about 1/3 or more of the overall length of the absorbent article. Is set to have For example, if the absorbent article of the napkin such as for night, the longitudinal length of the corresponding to the excretion area, also be set to be less than 1/3 of the entire longitudinal length of the absorbent article.
  • each of a pair of absorption side part 3, 3 'of the sanitary napkin 1 which concerns on this embodiment, the excretion opening
  • region 29 are provided.
  • Each of the excretory opening adjacent regions 39 and 39 ′ is adjacent to the excretion port corresponding region 29 in the width direction W and has a pair of side edge portions 7 and 7 ′ in the sanitary napkin 1 as base ends.
  • each of the pair of absorption side portions 3 and 3 ′ is a region that extends from each of both end edges in the width direction W extending in the longitudinal direction L as terminations.
  • both end edges in the width direction W extending in the longitudinal direction L of the pair of absorption side portions 3 and 3 ′ are both end edges in the width direction W extending in the longitudinal direction L of the flap portions 11 and 11 ′.
  • the topsheet 8 is a region extending from the front edge 23 to the rear edge 25 in the longitudinal direction L and the absorption body in the width direction W. It is comprised by the liquid-permeable sheet
  • the surface sheet 8 is comprised by the 2 layer structure of the 1st sheet
  • the liquid permeable sheet member constituting the surface sheet 8 is not particularly limited as long as it has various characteristics (for example, liquid permeability, flexibility, touch, etc.) that can be used as a surface sheet of an absorbent article.
  • non-woven fabrics such as spunlace nonwoven fabrics and air-through nonwoven fabrics formed using hydrophilic fibers such as cellulosic fibers and thermoplastic resin fibers subjected to hydrophilic treatment can be used.
  • the first sheet 8a of the top sheet used for the absorbent article of the present disclosure is preferably made of an air-through non-woven fabric from the viewpoint of touch as described later, and the first sheet 8a of the top sheet 8 in the present embodiment is also an air-through. It is formed of a nonwoven fabric.
  • the second sheet of the top sheet is a sheet member also called a so-called second sheet, and the second sheet is preferably a liquid-permeable fiber sheet whose constituent fiber is a synthetic fiber.
  • the second sheet is preferably an air-through nonwoven fabric in which the intersecting points of intersecting synthetic fibers are joined by air-through heat fusion.
  • a point bond nonwoven fabric, a spunbond nonwoven fabric, a spunlace nonwoven fabric, or the like may be used.
  • the basis weight is preferably in the range of 15 g / m 2 to 40 g / m 2 .
  • the surface sheet 8 in this embodiment was comprised by 2 layer structure of the 1st sheet
  • the second sheet (second sheet) may be a sheet member that the absorbent article includes as a constituent member different from the surface sheet.
  • the top sheet 8 extends rearward from the front end edge 23 of the sanitary napkin 1 over the entire width direction W of the absorbent body 2.
  • a grooved structure parallel to the longitudinal direction L is provided over the entire region up to the edge 25.
  • the surface sheet 8 does not have a ridge groove structure in a portion extending to the outside of each of the pair of side edge portions 7 and 7 ′.
  • the top sheet 8 has a plurality of flange portions 41 and a plurality of groove portions 43 extending in the longitudinal direction L, respectively, and one of the plurality of flange portions 41 and One of the plurality of grooves 43 is arranged so as to be alternately arranged in the width direction W.
  • the groove structure of the top sheet 8 has a plurality of groove portions 43 extending in the longitudinal direction L and arranged in parallel in the width direction W, and two adjacent groove portions 43 among the plurality of groove portions 43 in the width direction W. It consists of the collar part 41 extended between.
  • the plurality of groove portions 43 are embossed portions formed by heat embossing treatment.
  • the heat embossing process among the surfaces located on the skin facing surface side of the topsheet 8, a large number of portions that are separated from each other are heated in the thickness direction T and simultaneously heated.
  • the top sheet 8 is integrated with the first sheet 8a and the second sheet 8b, and a groove 43 having a predetermined depth is formed.
  • the embossed part in the absorbent article of the present disclosure can be formed by, for example, a method of embossing by passing a top sheet and a second sheet between an embossing roll having a patterned convex part and a flat roll. In this method, heating at the time of compression is possible by heating the embossing roll and / or the flat roll.
  • the emboss pattern of the emboss roll include a lattice pattern, a staggered pattern, and a wavy pattern. Note that intermittent embossed portions are formed in the lattice pattern and staggered pattern, and continuous embossed portions are formed in the wavy pattern.
  • the pitch of the embossed portions (that is, the interval between the groove portions) is usually 0 to 10 mm, preferably 0.5 to 2 mm in the longitudinal direction, and usually 0.1 to 10 mm, preferably 1 to 4 mm in the width direction. is there. Further, the depth of the embossed portion is 0.1 to 5 mm, preferably 0.1 to 1 mm.
  • the measurement of the height or thickness of the object is as follows.
  • the measurement uses a 100 mm ⁇ 100 mm sample cut out from the absorbent article, and a laser displacement meter (for example, Keyence Corporation high precision two-dimensional laser displacement meter LJ-G series (model: LJ-G030)). Therefore, it is performed in a non-contact manner as follows. Place the sample on a horizontal measuring table, measure the displacement from the measuring table with a laser displacement meter for five different parts, and calculate the average of the five measured values as the height or thickness (mm) of the object.
  • a laser displacement meter for example, Keyence Corporation high precision two-dimensional laser displacement meter LJ-G series (model: LJ-G030)
  • a plurality of groove portions made of embossed portions formed by the above method extend continuously or intermittently in the longitudinal direction.
  • the liquid discharged from the wearer is likely to diffuse in the longitudinal direction of the absorbent article, whereas in the width direction, it becomes difficult to diffuse compared to the longitudinal direction, It is difficult for the liquid to reach a portion (that is, a pair of cushion portions to be described later) where contact with the thighs of both legs of the wearer is frequent.
  • the surface sheet has the above-described groove-groove structure, a difference in rigidity occurs at the boundary between each flange and each groove, so that it is easy to induce deformation in the width direction of the absorbent article according to the wearer's body shape. .
  • the absorbent article according to the present disclosure easily suppresses a sense of incongruity when worn.
  • the top sheet 8 extends in the longitudinal direction L over the entire region in the width direction W of the absorbent main body 2 and from the front edge 23 to the rear edge 25.
  • the absorbent sheet according to the present disclosure is not limited to this aspect, and the topsheet has a concavo-convex structure at least in the excretory opening corresponding region, and a pair of side portions. It has the structure which does not have an uneven
  • the absorbent article has a concavo-convex structure in the region corresponding to the excretion opening where absorption of liquid excretion such as blood and urine is most frequent, thereby reducing the contact area with the skin of the wearer and While ensuring permeability and retractability, the wearer does not have a concavo-convex structure in areas where there are many opportunities to contact the thighs of the legs, so the wearer can walk and move both legs back and forth. However, there is little possibility that the plurality of convex portions in the concavo-convex structure abuts on the thighs of both legs of the wearer and gives a stimulus.
  • the uneven structure in the absorbent article of the present disclosure is not limited to the above embodiment, and for example, Japanese Patent No. 4809197, Japanese Unexamined Patent Application Publication No. 2009-279098, Japanese Unexamined Patent Application Publication No. 2010-115479, Japanese Unexamined Patent Application Publication No. 2015-107151. It can be formed by various methods described in Japanese Patent Laid-Open No. 2016-112234.
  • the size of the top sheet is not particularly limited as long as it can cover the skin-facing surface of the absorbent body and can form a pair of cushion portions described later. Arbitrary dimensions and shapes according to sex, usage, etc. can be adopted.
  • the basis weight of the topsheet is not particularly limited as long as the effect of the present disclosure is not hindered. For example, a basis weight within the range of 5 g / m 2 to 100 g / m 2 can be adopted, but the liquid permeability From the viewpoints of flexibility and flexibility, a basis weight in the range of 20 g / m 2 to 50 g / m 2 is preferable. In the present specification, the basis weight can be measured according to JIS L 1906 5.2.
  • the absorbent body 12 is disposed between the top sheet 8 and the back sheet 14 in the thickness direction T. It is an absorptive member having a function of absorbing and holding the liquid excretion of the wearer that has permeated through the top sheet.
  • the absorber 12 has a vertically long outer shape in which a front edge and a rear edge in the longitudinal direction L protrude in an arc shape on the front side and the rear side, respectively, in a plan view.
  • in the central region including the widthwise center axis C L extending in the longitudinal direction L of the sanitary napkin 1 is disposed so as to extend over the back region 31 from above the front region 27.
  • the absorber is not particularly limited, and any absorber known in the art can be used.
  • the absorptive material containing water absorbing fibers such as a pulp, and / or a superabsorbent polymer, for example may be included.
  • the absorbent article of the present disclosure may further include a liquid-permeable covering sheet (so-called core wrap) such as at least one tissue covering the absorbent body.
  • the thickness of the absorbent body is not particularly limited as long as the effect of the present disclosure is not hindered.
  • a thickness within the range of 0.1 mm to 10 mm can be adopted.
  • a thickness in the range of 0.3 mm to 3 mm is preferable from the viewpoint of flexibility.
  • the absorbent body is not limited to the above-described embodiment, and the absorbent body may have an arbitrary outer shape such as a rectangular shape, an oval shape, an hourglass shape, and the like.
  • the article may be arranged so as to be biased toward the front or back in the longitudinal direction of the article.
  • the absorber has an hourglass-shaped outer shape.
  • the absorber has a pair of constricted portions constricted in the width direction W in the excretory opening corresponding region. More specifically, the pair of constricted portions are, in plan view, the side edges extending in the longitudinal direction L of the absorbent body in the excretory opening corresponding region, and the length in the width direction W is longer than the other portions. It is narrowly formed.
  • the absorbent body has the above-described constricted portion, so that it is easy to suppress the contact opportunity between the absorbent body in the excretory opening-corresponding region and the thighs of the wearer's legs, and the absorbent body is worn. Because it is easy to come into contact with the thighs of both legs of the person through the part where there are many chances of contact (that is, a pair of cushion parts described later), and the hardness of the absorber is difficult to be transmitted to the thighs of both legs of the wearer, It is easy to suppress discomfort during wearing.
  • the side sheet is not an essential component in the absorbent article of the present disclosure
  • the side sheets 13 and 13 ′ are absorbed as shown in FIGS.
  • the main body 2 is disposed in the vicinity of both side edges extending in the longitudinal direction L and in the region extending from the front edge 23 to the rear edge 25 in the longitudinal direction L and the flaps 11 and 11 ′, and is discharged from the wearer. It is constituted by a water repellent sheet member that prevents leakage of liquid excrement such as menstrual blood and urine.
  • one side edge portion extending in the longitudinal direction L of the side sheets 13 and 13 ′ is disposed so as to overlap the skin facing surface side of both side edges 6 and 6 ′ extending in the longitudinal direction L of the absorbent body 12.
  • the other side edge portion is joined to the skin facing surface of the back sheet 14 at the flap portions 11 and 11 ′.
  • the side sheet in the absorbent article of the present disclosure is not limited to the above embodiment, and has non-woven fabric and air permeability as long as it has various characteristics (water repellency, flexibility, etc.) that can be used as the side sheet of the absorbent article.
  • a known side sheet member such as a resin film such as polyethylene or polypropylene, or a sheet made of thermoplastic resin can be used.
  • the top sheet 8 has a pair of side edge portions 7 and 7 ′ as base ends on the outside in the width direction W, respectively.
  • the side sheets 13 and 13 ′ are protruded and folded back at the outer end portions 47 and 47 ′ in the width direction W and inside the width direction W from the outer end portions 47 and 47 ′ via the joint portions 49 and 49 ′.
  • the pair of cushion portions 45 and 45 ′ have a pair of side edge portions 7 and 7 ′ in the topsheet 8 as base ends and joint portions 49 and 49 ′ as ends.
  • the surface sheet 8 is a portion formed by folding back.
  • the outer end portions 47 and 47 ′ where the topsheet 8 is folded are located on the outermost side in the width direction W of the pair of cushion portions 45 and 45 ′, and in the sanitary napkin 1 according to the present embodiment, the front end portions 4 extends from the pair of absorption side portions 3 and 3 ′ to the rear end portion 5 in the longitudinal direction L.
  • the outer side edge part of the cushion part in the absorbent article of this indication is not limited to this form, It is preferable to extend in the longitudinal direction L in each of at least a pair of absorption side part.
  • the joint portions 49, 49 ′ are inside the width direction W of the side edges 7, 7 ′ of the absorbent main body 2 and in the vicinity of the width direction W of the side edges 7, 7 ′.
  • the sheet is provided between the top sheet 8 and each of the side sheets 13, 13 ′.
  • the distance in the width direction between the joint portion and the side edge extending in the longitudinal direction of the absorbent body is preferably 2 to 25 mm, more preferably 5 to 15 mm. As will be described below, this is from the viewpoint of ensuring cushioning properties of the pair of cushion portions.
  • the distance in the width direction between the pair of side edge portions serving as the base ends of the pair of cushion portions and the outer end portion is preferably 5 to 35 mm, more preferably 8 to 30 mm. As will be described below, this is from the viewpoint of ensuring cushioning properties of the pair of cushion portions.
  • the pair of cushion portions 45 and 45 ′ extend over the entire region in the longitudinal direction L of the front end portion 4, the absorption side portions 3 and 3 ′, and the rear end portion 5.
  • the length in the longitudinal direction of the pair of cushion portions is not limited to this aspect, and the pair of cushion portions is at least an excretion opening in the absorption side portions 3 and 3 ′. It preferably extends over the entire length of the adjacent region.
  • the outer sheet is not provided with an uneven structure at the outer end portion of the pair of cushion portions where the surface sheet is frequently contacted with the thighs of both legs of the wearer, and the pair of cushion portions includes at least the surface sheet.
  • the absorbent article of the present disclosure has a suitable cushioning property as described below, and the thighs of both legs of the wearer, as described below. It is hard to give a stimulus to the part.
  • the maximum height of the pair of cushion portions in the absorbent article of the present disclosure is preferably 5 to 40 mm, more preferably 10 to 35 mm in the natural state. As will be described below, this is from the viewpoint of ensuring cushioning properties of the pair of cushion portions.
  • the maximum height of an object refers to the maximum value of the height of the object from a horizontal reference plane on which the absorbent article is placed. , And can be measured with the laser displacement meter.
  • the natural state of the absorbent article refers to a state in which an external force other than the gravity of the absorbent article is not working in a state where the absorbent article is deployed.
  • the maximum height of the pair of cushion portions in the natural state is the maximum height of the excretory opening corresponding region (that is, the unevenness of the topsheet from the horizontal reference surface on which the absorbent article is placed) It is preferable that the height is higher than the height of the highest position in the convex portion of the structure.
  • the maximum height of the pair of cushion portions in the natural state and the maximum height of the excretory opening corresponding region are in a predetermined relationship, and each of the pair of cushion portions corresponds to the shape of the thighs of the wearer's legs. Therefore, it is difficult to sense the hardness and irritation of the absorber received by the thighs of both legs of the wearer, and it is easy to suppress a sense of incongruity during wearing.
  • each of the pair of cushion portions in the absorbent article of the present disclosure is preferably 2.0 to 8.0 N ⁇ m / m in the thickness direction T from the viewpoint of securing cushioning properties in the region adjacent to the excretion opening.
  • 2, more preferably, 3.0 to more preferably 6.0 N ⁇ m / m 2 further comprises a 3.5 ⁇ 5.5N ⁇ m / m 2 WC ( compression energy).
  • compression energy means that the larger the value is, the easier it is to compress, and the sample of the absorbent article is subjected to a compression property evaluation test by an automated compression tester “KES FB-3A” (manufactured by Kato Tech Co., Ltd.). It can be obtained by offering.
  • the compressor of the testing machine is measured with its center aligned with the center portion in the width direction of the cushion portion.
  • the measurement conditions for the compression property evaluation test are as follows. SENS: 2 Speed: 0.02mm / sec Stroke: 5mm / 10V Compactor area: 2 cm 2 Uptake interval: 0.1 seconds Upper limit load: 50 gf / cm 2 Number of repetitions: 1 time
  • SENS 2 Speed: 0.02mm / sec Stroke: 5mm / 10V
  • Compactor area 2 cm 2 Uptake interval: 0.1 seconds
  • Upper limit load 50 gf / cm 2 Number of repetitions: 1 time
  • each of the pair of cushion portions is also disclosed in the width direction W. It is thought that suitable cushioning properties can be exhibited in the absorbent article.
  • FIG. 6 is a schematic diagram of a state in which the sanitary napkin 1 according to the first embodiment of the present disclosure is worn.
  • the thighs of both legs of the wearer press the sanitary napkin 1 in the width direction.
  • the sanitary napkin 1 includes the pair of cushion portions 45 and 45 ′ as described above, in the width direction W, the pair of cushion portions 45 and 45 ′ protrudes outward from the absorbent body 12.
  • the pair of cushion parts 45 and 45 ′ are provided with the hardness of the absorber 12 on the thighs of the legs of the wearer. It functions like a cushion material.
  • the thighs of the legs of the wearer press the sanitary napkin 1 in the width direction
  • the thighs of the legs of the wearer are paired before the absorbent body 12 contacts the thighs of the legs of the wearer.
  • the thighs of the wearer's legs further press the sanitary napkin 1 in the width direction
  • the thighs of the wearer's legs are held until the absorbent body 12 contacts the thighs of the wearer's legs. It is easy to sense the cushioning properties of the pair of cushion portions 45, 45 ′ gradually and stronger.
  • the thigh of the legs of the wearer further presses the sanitary napkin 1 in the width direction until the absorber 12 abuts the thigh of the legs of the wearer until the abutment of the absorber 12 Since the thigh of the legs of the wearer senses the cushioning properties of the pair of cushion portions 45, 45 ', the size of the legs of the wearer is large without feeling the cushioning properties of the pair of cushion portions.
  • the sanitary napkin 1 can make the thigh of the legs of the wearer difficult to perceive the hardness of the absorber as compared with the case where the hardness of the absorber is transmitted to the thigh.
  • the hardness of the absorbent body 12 is not easily transmitted to the thighs of the legs of the wearer.
  • the pair of cushion portions 45 and 45 ′ are disposed at a position on the skin-facing surface side of the absorbent body 12, and the thigh portions of both legs of the wearer are physiological.
  • the pair of cushion portions 45 and 45 ′ protruding outward from the absorbent body 12 may be crushed in the width direction W according to the shape of the thighs of both legs of the wearer.
  • the cushion property of the said pair of cushion parts 45 and 45 ' is easy to be sensed by the thigh part of a wearer's both legs.
  • the top sheet 8 constituting the cushion portions 45, 45 ′ has a grooving structure at least in the excretion opening corresponding region 29, but does not have a grooving structure in each outer end portion 47, 47 ′.
  • the skin-facing surfaces of the pair of cushion portions 45, 45 ′ in the portion where the thigh portions of the both legs of the person are often in contact with each other have no grooving structure.
  • the sanitary napkin 1 is easy to improve the wearability by suppressing a sense of incongruity at the time of wearing, while enjoying the effect of having the grooving structure in the excretory opening corresponding region 29.
  • each of the pair of cushion portions 45 and 45 ′ includes the pair of side edge portions 7 and 7 ′ serving as the base ends and the Between the joint portions 49 and 49 ′ serving as the terminal ends, there are upper cushion portions 51 and 51 ′ positioned on the skin facing surface and lower cushion portions 53 and 53 ′ positioned on the non-skin facing surface.
  • each of the pair of cushion portions 45 and 45 ′ extends from the pair of side edge portions 7 and 7 ′ to the outer end portion 47. , 47 ′, the outer end portions 47, 47 ′ are raised on the skin facing surface side so as to be the highest.
  • the lower cushion parts 53 and 53 'located in the non-skin opposing surface in each of a pair of cushion parts 45 and 45' are spaced apart from the seat member (side seats 13 and 13 ').
  • each of the pair of cushion parts 45 and 45' is easily deformed according to the shape of the thighs of both legs of the wearer. Since it is difficult to sense the hardness of the absorbent body 12 in the thighs of both legs of the person, the sanitary napkin 1 is easy to improve the wearability by suppressing discomfort during wearing.
  • each of the pair of cushion portions 45 and 45 ′ has an outer surface ES (that is, the skin facing surface of the upper cushion portions 51 and 51 ′ and the lower cushion portions 53 and 53 ′). A non-skin facing surface that is exposed to the outside) and an inner surface IS (that is, the non-skin facing surface of the upper cushion portions 51, 51 ′ and the skin facing surface of the lower cushion portions 53, 53 ′). And a surface not exposed to the outside).
  • the inner surfaces IS are not joined to each other, and a certain amount of air is contained in the internal space.
  • the upper cushion portions 51, 51 ′ and the lower cushion portions 53, 53 ′ have a soft feel, and the wearer presses the sanitary napkin 1 in the width direction W with the thighs of both legs.
  • the cushioning function that makes it difficult to sense the hardness of the absorbent body 12 can be ensured more reliably.
  • the flexibility of the pair of cushion portions 45 and 45 ′ is not easily lost, and the hardness and irritation of the absorbent body 12 received by the thighs of both legs of the wearer are sensed. It makes it difficult to suppress the uncomfortable feeling when worn.
  • the top sheet 8 is formed of an air-through nonwoven fabric.
  • the air-through nonwoven fabric or the spunlace nonwoven fabric is a process of forming a web by dropping and depositing fibers placed on an airflow onto the net at the time of production, and from above the web on the net on the net. It is a nonwoven fabric that has undergone a process of performing web bonding by penetrating high-temperature air or a high-pressure water stream, that is, a nonwoven fabric manufactured using a net. A net surface that was in contact with the net (located on the net) and a surface that was not in contact with the net and was directly exposed to high-temperature air or high-pressure water flow (air surface) have. A nonwoven fabric having such a net surface and an air surface has a lower fiber density than the net surface and a soft touch.
  • the surface sheet 8 is arrange
  • the top sheet 8 is made of an air-through nonwoven fabric arranged in the specific form described above, the outer surface ES of the pair of cushion portions 45, 45 ′ has a smooth touch, Even if the thighs of both legs of the wearer come into contact with the pair of cushion parts 45, 45 ', there is little irritation to the skin, and it is easy to suppress a sense of discomfort at the time of wearing.
  • the end portions 57 and 57 ′ in the width direction W of the second sheet (second sheet) 8 b are the pair of cushion portions 45 and 45 ′.
  • the end portions 57 and 57 ′ in the width direction W of the second sheet (second sheet) 8b are respectively present in the pair of absorption side portions 3 and 3 ′.
  • the second sheet (second sheet) 8b is arranged in the above-described specific form in relation to the pair of cushion portions 45 and 45 ′, whereby the second sheet (second sheet). ) Due to the presence of 8b, the pair of cushion portions 45 and 45 'are not easily crushed and their flexibility is not easily lost. As a result, it is difficult to sense the hardness and irritation of the absorbent body received by the thighs of both legs of the wearer, and it is easy to suppress a sense of incongruity during wearing.
  • the side sheets 13 and 13 ′ that are sheet members to which the topsheet 8 is bonded through the bonding portions 49 and 49 ′ are absorbent bodies. It is arranged at a position on the skin facing surface side than 12.
  • the sanitary napkin 1 according to the present embodiment is worn by the top sheet 8 at the absorption side portions 3 and 3 ′ being folded back without involving the absorbent body 12 to form a pair of cushion portions 45 and 45 ′. While making it difficult to sense the hardness and irritation of the absorber 12 received by the thighs of both legs of the person, it is easy to suppress the contact opportunity between the widthwise both sides of the absorber 12 and the thighs of both legs of the wearer, It is easy to suppress discomfort during wearing.
  • the sanitary napkin 1 includes the topsheet 8 and the excretory opening corresponding region 29. While compressing the absorber 12 by the embossing process in the thickness direction T, a pair of pressing part 37, 37 'extended along a pair of side edge part 7, 7' is provided.
  • the pair of squeezed portions 37, 37 ′ includes the pair of squeezed portions 37, 37 ′ over the entire region in the longitudinal direction L of the excretory opening corresponding region 29 of the sanitary napkin 1.
  • the pair of compressed portions 37, 37 ′ By having the pair of compressed portions 37, 37 ′ as a starting point, the vicinity of both side edges extending in the longitudinal direction L of the sanitary napkin 1 is easily raised to the skin facing surface side, and the pair of cushion portions 45, 45 'also easily stands on the skin facing surface side. As a result, the pair of cushion parts 45, 45 'is easily deformed according to the shape of the thighs of the legs of the wearer, so that the sanitary napkin 1 is an absorbent body received by the thighs of the legs of the wearer. It makes it difficult to sense the hardness and irritation of the skin and easily suppress the uncomfortable feeling when worn.
  • the pair of compressed parts is not limited to the above-described aspect, and may be provided only in a part in the longitudinal direction of the excretion opening corresponding region of the absorbent article. Furthermore, a pair of pressing parts may be provided also in the whole area or a part in the longitudinal direction of the front area
  • the back sheet 14 is a non-skin facing surface in the thickness direction T in a region extending over the entire surface of the sanitary napkin 1.
  • the liquid-impermeable sheet member is disposed on the side and prevents leakage of liquid excretion such as menstrual blood and urine discharged from the wearer.
  • Such a liquid-impermeable sheet member has various properties that can be used as a back sheet of an absorbent article (liquid-impermeable, breathable, flexible, etc.), a resin film such as polyethylene or polypropylene having air permeability, heat
  • a known liquid-impermeable sheet member such as a plastic resin sheet can be used.
  • FIG. 7 is an end view corresponding to the IV-IV end face of FIG. 1 for the sanitary napkin 10 according to the second embodiment of the present disclosure.
  • FIG. 8 is an enlarged view of a region Y in FIG.
  • the side sheets 13, 13 ′ have one side edge portion extending in the longitudinal direction L of the side sheets 13, 13 ′, and the side edges 6, 6 ′ extending in the longitudinal direction L of the absorbent body 12. While arranged so as to overlap the skin facing surface side, the other side edge portion is joined to the skin facing surface of the back sheet 14 at the flap portions 11 and 11 ′. 7 and 8, as shown in FIGS. 7 and 8, one side edge portion extending in the longitudinal direction L of the side sheet 13, 13 ′ has both side edges 6, 6 ′ extending in the longitudinal direction L of the absorbent body 12. While arrange
  • the joint portions 49 and 49 ′ between the top sheet 8 and the side sheets 13 and 13 ′ are non-skin of the absorbent body 12. It is provided at a position on the opposite surface side.
  • each of a pair of cushion parts 45 and 45 'in this embodiment is non-skin so that the surface sheet 8 in the absorption side parts 3 and 3' may entangle both the side edges 6 and 6 'in the width direction W of the absorber 12. It is formed by folding back to the opposite surface side.
  • the sanitary napkin 10 includes the pair of cushion portions 45 and 45 'configured as described above, so that even if the thighs of the wearer's legs press the sanitary napkin 10 in the width direction, they are absorbed.
  • the body 12 can easily come into contact with the thighs of both legs of the wearer via a pair of cushion portions 45 and 45 '. That is, in the width direction W, since the pair of cushion portions 45, 45 ′ protrudes outward from the absorbent body 12, when the thighs of the legs of the wearer press the sanitary napkin 1 in the width direction,
  • the pair of cushion portions 45 and 45 ′ function like a cushion material that makes it difficult to sense the hardness of the absorbent body 12 on the thighs of both legs of the wearer.
  • the hardness of the absorbent body 12 is not easily transmitted to the thighs of the legs of the wearer. Furthermore, in this embodiment, since a pair of cushion parts 45 and 45 'are formed so that the both-sides edge in the width direction W of the absorber 12 may be wound, a pair of cushion parts 45 and 45' are more reliably absorbers. The thigh of 12 of the wearer's legs is difficult to perceive and the feeling of wearing the sanitary napkin 10 is good.
  • the aspect of a pair of cushion part in the absorbent article of this indication is not limited to the aspect described in the said 1st and 2nd embodiment, It can change suitably.
  • the side sheet is not an essential configuration, in such a case, the liquid-permeable covering sheet that covers the back sheet or the absorbent body as the joining destination of the top sheet. Etc.
  • the absorbent article of the present disclosure is not limited to the above-described embodiments and exemplary descriptions, and can be appropriately combined and changed without departing from the purpose and spirit of the present disclosure.
  • the present disclosure can be applied to various absorbent articles such as a panty liner and a (light) incontinence pad.
  • ordinal numbers such as “first” and “second” are used to distinguish items with the ordinal numbers, and mean the order, priority, importance, etc. of each item. Not what you want.

Abstract

L'objectif de la présente invention est de fournir un article absorbant dans lequel une feuille de surface a une structure irrégulière, ce qui permet de supprimer l'inconfort lors de l'usure et d'améliorer facilement l'ajustement. Un article absorbant (1, 10) comprend une région correspondante d'ouverture d'excrétion (29) chevauchant un absorbant (12) dans une direction d'épaisseur T et correspondant à une ouverture d'excrétion en vue en plan, et des régions adjacentes d'ouverture d'excrétion (39, 39') présentes sur les deux côtés extérieurs dans une direction de largeur W de la région correspondante d'ouverture d'excrétion (29). Une feuille de surface (8) s'étend jusqu'à la région correspondante d'ouverture d'excrétion (29), a des parties coussin (45, 45') qui font saillie vers les deux côtés extérieurs dans la direction de la largeur W, au moins dans les régions adjacentes d'ouverture d'excrétion (39, 39') et ont des parties de bord (7, 7') en tant qu'extrémités proximales de celles-ci. Les parties coussin (45, 45') sont repliées à l'extérieur de parties d'extrémité (47, 47') et reliées à l'élément de feuille par l'intermédiaire de parties de jonction (49, 49') plus loin vers l'intérieur dans la direction de la largeur que les parties d'extrémité extérieures (47, 47'). Et la feuille de surface (8) a une structure irrégulière au moins dans la région correspondante d'ouverture d'excrétion (29) et n'a pas de structure irrégulière dans les parties d'extrémité extérieures (47, 47').
PCT/JP2016/073449 2016-08-09 2016-08-09 Article absorbant WO2018029785A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2016/073449 WO2018029785A1 (fr) 2016-08-09 2016-08-09 Article absorbant
CN201680087914.3A CN109562002B (zh) 2016-08-09 2016-08-09 吸收性物品
JP2018533342A JP6758384B2 (ja) 2016-08-09 2016-08-09 吸収性物品
KR1020197002001A KR102570212B1 (ko) 2016-08-09 2016-08-09 흡수성 물품

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/073449 WO2018029785A1 (fr) 2016-08-09 2016-08-09 Article absorbant

Publications (1)

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WO2018029785A1 true WO2018029785A1 (fr) 2018-02-15

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JP (1) JP6758384B2 (fr)
KR (1) KR102570212B1 (fr)
CN (1) CN109562002B (fr)
WO (1) WO2018029785A1 (fr)

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JP2020058634A (ja) * 2018-10-11 2020-04-16 ユニ・チャーム株式会社 吸収性物品

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GB2620900A (en) * 2021-04-29 2024-01-24 Kimberly Clark Co Absorbent article

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JP2016069748A (ja) * 2014-09-30 2016-05-09 花王株式会社 不織布
JP2016077576A (ja) * 2014-10-17 2016-05-16 花王株式会社 吸収性物品

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EP0661030B1 (fr) * 1993-12-28 2000-07-12 Kao Corporation Serviette hygienique
JP4033774B2 (ja) 2002-03-22 2008-01-16 花王株式会社 吸収性物品
JP2004298456A (ja) * 2003-03-31 2004-10-28 Daio Paper Corp 吸収性物品
JP5538943B2 (ja) * 2010-02-19 2014-07-02 ユニ・チャーム株式会社 不織布シートおよびその製造方法
CN105129800B (zh) * 2015-07-21 2017-11-03 神雾科技集团股份有限公司 一种氧/煤喷吹制备电石及乙烯的工艺和系统

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JPH08503638A (ja) * 1992-11-30 1996-04-23 ザ、プロクター、エンド、ギャンブル、カンパニー 弾性サイドフラップ及びウィングを有する吸収体物品
JP2016069748A (ja) * 2014-09-30 2016-05-09 花王株式会社 不織布
JP2016077576A (ja) * 2014-10-17 2016-05-16 花王株式会社 吸収性物品

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020058634A (ja) * 2018-10-11 2020-04-16 ユニ・チャーム株式会社 吸収性物品
JP7170489B2 (ja) 2018-10-11 2022-11-14 ユニ・チャーム株式会社 吸収性物品

Also Published As

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CN109562002B (zh) 2021-11-16
KR102570212B1 (ko) 2023-08-23
JPWO2018029785A1 (ja) 2019-06-06
JP6758384B2 (ja) 2020-09-23
KR20190039088A (ko) 2019-04-10
CN109562002A (zh) 2019-04-02

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