WO2020255534A1 - パンツ型吸収性物品 - Google Patents

パンツ型吸収性物品 Download PDF

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Publication number
WO2020255534A1
WO2020255534A1 PCT/JP2020/015409 JP2020015409W WO2020255534A1 WO 2020255534 A1 WO2020255534 A1 WO 2020255534A1 JP 2020015409 W JP2020015409 W JP 2020015409W WO 2020255534 A1 WO2020255534 A1 WO 2020255534A1
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WO
WIPO (PCT)
Prior art keywords
pants
absorbent article
folded
type absorbent
skin
Prior art date
Application number
PCT/JP2020/015409
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
高橋　雄二
凌霜 ▲鄭▼
▲異▼ 史
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 KR1020217040938A priority Critical patent/KR20220024039A/ko
Publication of WO2020255534A1 publication Critical patent/WO2020255534A1/ja

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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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • 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
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15747—Folding; Pleating; Coiling; Stacking; Packaging
    • 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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • 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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49001—Absorbent articles specially adapted to be worn around the waist, e.g. diapers having preferential bending zones, e.g. fold lines or 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
    • A61F13/45—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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
    • 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
    • A61F13/51113—Topsheet, i.e. the permeable cover or layer facing the skin comprising an additive, e.g. lotion or odour control
    • 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
    • A61F13/53—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
    • 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
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • 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
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
    • 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
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
    • A61F2013/8408—Additives, e.g. for odour, disinfectant or pH control with odour control
    • 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
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
    • A61F2013/8408—Additives, e.g. for odour, disinfectant or pH control with odour control
    • A61F2013/8435—Additives, e.g. for odour, disinfectant or pH control with odour control with plant derivatives

Definitions

  • the present invention relates to a pants-type absorbent article.
  • Pants-type absorbent article provided with an absorbent body having a liquid-absorbing absorbent core and a volatile substance for reducing discomfort felt by the wearer (hereinafter, also simply referred to as an absorbent article). ) Is already well known.
  • Patent Document 1 discloses an absorbent article in which an olfactory stimulating fragrance is provided as a volatile substance in the absorbent article to reduce an unpleasant odor.
  • the present invention has been made in view of the above problems, and an object of the present invention is to suppress the emission of vaporized volatile substances.
  • the main invention for achieving the above object is a liquid-absorbing absorbent core having a vertical direction, a horizontal direction, and a front-back direction, and a skin-side sheet provided on the skin side of the absorbent core.
  • a pants-type absorbent article comprising an absorbent body comprising the absorbent body and a waistline member that expands and contracts in the left-right direction, which is arranged so as to be overlapped on the non-skin side of the absorbent body.
  • a volatile substance is provided on at least one of the skin-side sheets, and the pants-type absorbent article is packaged in a vertically folded state with a vertical fold line along the left-right direction as a crease.
  • the pants-type absorbent article is characterized in that at least a part of the volatile substance is provided below the vertical folding line in a state before the mold-absorbent article is folded in the vertical direction.
  • the purpose is to suppress the emission of vaporized volatile substances.
  • FIG. 3A is a schematic cross-sectional view of the absorbent body 20. It is a figure which showed the coated region 26p and the non-coated region 26n. It is a front schematic view which showed the vertical folding line BL, the left side folding line LB, and the right side folding line RB in the front view of the pants type absorbent article 1.
  • the upper figure is a schematic plan view of the pants-type absorbent article 1 in which the left extending portion 10L and the right extending portion 10R are folded inward
  • the lower figure is a schematic cross-sectional view of the arrow BB.
  • the left figure is a schematic plan view of the pants-type absorbent article 1 folded in the vertical direction with the vertical folding line BL as a crease
  • the right figure is a side schematic view of the absorbent body 20 when viewed from the right side. It is a top view of the absorbent body 20 which showed the position of the vertical folding line BL in the absorbent body 20.
  • An absorbent main body having a vertical direction, a horizontal direction, and a front-rear direction, and having a liquid-absorbing absorbent core and a skin-side sheet provided on the skin side of the absorbent core, and the absorbent body.
  • a pants-type absorbent article having a waistline member that expands and contracts in the left-right direction, which is arranged so as to be overlapped on the non-skin side of the main body, and is volatile on at least one of the absorbent core and the skin-side sheet. The substance is provided, and the pants-type absorbent article is packaged in a vertically folded state with a vertical fold line along the left-right direction as a crease, and before the pants-type absorbent article is folded in the vertical direction.
  • a pants-type absorbent article characterized in that at least a part of the volatile substance is provided below the vertical folding line in the above state.
  • the pants-type absorbent article is such that the volatile substance is a warming agent or a cooling sensitizer that stimulates a temperature-sensitive TRP channel.
  • the warming agent or the cooling sensitizer comes into contact with the wearer's skin through the non-woven fabric, so that the wearer gradually applies the effect of the warming agent or the cooling sensitizer to the skin. I can feel it.
  • the pants-type absorbent article has a coating region in which the volatile substance is applied to a predetermined region of the absorbent body along the vertical direction, and the pants-type absorbent article is moved in the vertical direction. In the state before folding, it is desirable that the coating area of the absorbent body above the vertical fold line is smaller than the coating area of the absorbent body below the vertical fold line.
  • the fold of the vertical fold line can function as a lid of the waist circumference opening in the packaged state for more than half of the coating area.
  • the vertical folding line is located below the upper end of the absorbent body and is packaged. In the state, it is desirable that at least a part of the absorbent body is folded in the vertical direction with the vertical folding line as a crease.
  • the absorbent body can be folded firmly in the vertical direction while forming a fold habit along the vertical folding line.
  • the non-skin side surface of the rear upper end portion of the absorbent body in the state before the pants-type absorbent article is folded in the vertical direction is below the vertical folding line and It is desirable that the absorbent body is folded in the vertical direction so as to face the non-skin side surface of the absorbent body on the front and rear rear sides.
  • the front upper end portion of the absorbent body and the rear upper end portion of the absorbent body in a state before the pants-type absorbent article is folded in the vertical direction are thick.
  • the non-skin side surface of the rear upper end portion of the absorbent body faces the non-skin side surface of the absorbent body below the vertical folding line and on the front and rear rear sides. As such, it is desirable that the absorbent body is folded in the vertical direction.
  • a pants-type absorbent article it is folded in the vertical direction with increased rigidity as compared with the case where only the absorbent main body on the rear side or the front side is folded in the vertical direction, so that the product can be folded firmly in the vertical direction. be able to.
  • the waistline member has a left extending portion located on the left side of the left end of the absorbent main body and a right extending portion located on the right side of the right end of the absorbent main body.
  • the pants-type absorbent article has a portion and a left fold line as a crease when folding at least a part of the left extending portion to the right, and at least a part of the right extending portion is folded to the right.
  • At least a part of the volatile substance is said to have a right side fold line as a crease when viewed in the front-rear direction in a state before the pants-type absorbent article is folded in the vertical direction. It is desirable that it overlaps with at least one of the left extending portion folded with the left folding line as a crease and the right extending portion folded with the right folding line as a crease.
  • At least one of the left side extending portion folded with the left side folding line as a crease and the right side extending portion folded with the right side folding line as a crease folds the vertical folding line.
  • at least a part of the volatile substance is folded in the vertical direction and the left-side extending portion and the right-side extending portion. It is desirable that it overlaps with at least one of.
  • Such a pants-type absorbent article has a pair of leg circumference openings on both sides in the left-right direction, and in a packaged state, at least a part of the pair of leg circumference openings is said in the vertical direction. It is desirable that it overlaps with at least one of the left extension portion and the right extension portion.
  • a pair of leak-proof walls are provided along the vertical direction at both ends of the absorbent body in the left-right direction, and the pair of leak-proof walls are provided.
  • Each of the front upper end portion and the rear upper end portion has a joint region for fixing the pair of leak-proof walls, and in the packaged state, at least a part of the joint region has the vertical folding line as a crease. It is desirable that it is folded in the vertical direction.
  • the absorbent core is provided with a squeeze groove in which the density of the absorbent core is higher than that around the squeeze groove, and at least a part of the squeeze groove is provided in a packaged state. It is desirable that the vertical folding line is used as a crease and the product is folded in the vertical direction.
  • an elastic member is provided in the central portion of the absorbent body in the left-right direction along the vertical direction, and the elastic member is formed in the vertical folding line in a packaged state. It is desirable that the crease is not folded in the vertical direction.
  • the absorbent body is between the first skin-side sheet located closest to the skin side, the first skin-side sheet, and the absorbent core as the skin-side sheet.
  • the second skin side sheet to be located is provided, and the volatile substance is provided on at least one of the non-skin side of the first skin side sheet and the skin side of the second skin side sheet.
  • the pants-type absorbent article 1 provided with the warming agent 26 (corresponding to the volatile substance) described later will be described.
  • the absorbent article 1 for menstruation will be described, but the absorbent article 1 of the present embodiment also includes, for example, diapers for adults and babies, and is used for menstruation. Not limited.
  • FIG. 1 is a schematic perspective view of the pants-type absorbent article 1
  • FIG. 2 is a plan view of the pants-type absorbent article 1 in the unfolded state.
  • the absorbent article 1 has a "vertical direction", a “horizontal direction”, and a "front-back direction” that intersect each other.
  • the vertical direction of the paper surface in FIG. 1 is the vertical direction
  • the upper side (lower side) of the paper surface is the vertical "upper” ("lower")
  • the left side (right side) of the paper surface is the left side in the left-right direction. (Right).
  • the ventral side of the wearer is referred to as the "front side” and the dorsal side of the wearer is referred to as the "rear side”.
  • the absorbent articles 1 are said to intersect each other in the "longitudinal direction". It has a "width direction” and a "thickness direction”. Then, the vertical direction of the paper surface in FIG. 2 is the longitudinal direction, the upper side (lower side) of the paper surface is the “front (ventral side)" ("rear (dorsal side)") of the longitudinal direction, and the longitudinal direction is orthogonal to the paper surface.
  • the left side (right side) of the paper is the left side (right side) of the width direction.
  • the direction orthogonal to the longitudinal direction and the width direction is the thickness direction, and in the thickness direction, the side that comes into contact with the wearer's skin is the “skin side” and the opposite side is “non”. "Skin side”.
  • the plan view (for example, FIG. 2) according to the present embodiment shows the stretched state of the object.
  • the "stretched state” means that the members shown in the plan view are stretched without wrinkles by stretching each elastic body (for example, inseam thread rubber 30, elastic sheet, etc., which will be described later) included in the absorbent article 1. It is in a state.
  • FIG. 2 it means a state in which the dimensions of the waist circumference member 10 and the absorbent main body 20 which are described later and constitute the absorbent article 1 are extended until they match or are close to the dimensions of the member alone.
  • the absorbent article 1 includes a waist circumference member 10 and an absorbent main body 20, and first, a process of forming the waist circumference member 10 and the absorbent article 1 into a pants shape will be described below. ..
  • the absorbent body 20 will be described later with a section.
  • the absorbent body 20 is provided with the warming agent 26.
  • the waist circumference member 10 has a substantially hourglass shape in a plan view in the unfolded state. That is, the central portion in the longitudinal direction is recessed inward in the width direction, and this recessed portion forms a pair of leg circumference openings 1b shown in FIG. 1 when formed into a pants shape. Further, the waist circumference member 10 is provided with an elastic sheet (not shown) so as to expand and contract in the width direction. Therefore, the waistline member 10 of the pants-type absorbent article 1 expands and contracts in the left-right direction.
  • the waist circumference member 10 has a front side waist circumference member 10f on the front side of the central folding line CL located at the center of the absorbent article 1 in the longitudinal direction and a rear side waist circumference member 10b on the rear side.
  • the front girth member 10f (rear girth member 10b) is provided at the front end (rear side) end along the width direction at the girth front end 10ff (girth rear end 10bf) and at both left and right ends. It has a front joint portion 10fe (rear side joint portion 10be) along the longitudinal direction (both are shaded views of FIG. 2).
  • the absorbent main body 20 is arranged at a predetermined position of the waist member 10 in the unfolded state to generate the absorbent article 1 in the unfolded state. That is, the non-skin side surface of the absorbent main body 20 is used as a joint surface, and the joint surface is placed at a predetermined position of the waist member 10 in the deployed state for joining. That is, the waist circumference member 10 is arranged so as to be overlapped on the non-skin side of the absorbent main body 20 in the thickness direction.
  • the absorbent main body 20 and the waistline member 10 in the unfolded state are bent in the longitudinal direction. That is, the absorbent main body 20 and the waist circumference member 10 are arranged so that the skin side of the front waist circumference member 10f and the skin side of the rear waist circumference member 10b face each other with the central folding line CL shown in FIG. 2 as a crease. It can be bent in the longitudinal direction.
  • the waist circumference front end portion 10ff and the waist circumference rear end portion 10bf form the waist circumference opening 1a on the upper side of the waist circumference member 10.
  • the girth member 10 has a left extending portion 10L located on the left outside (left side of the broken line shown by LL in FIG. 2) on the left side in the width direction of the absorbent body 20 and an outside on the right side (shown by RL in FIG. 2). It has a right extending portion 10R located on the right side of the broken line).
  • the waistline member 10 abuts on the front side (abdomen) and the back side (back part) of the wearer's body (contacts the wearer's waistline), and mainly on the left and right sides of the waistline member 10.
  • the absorbent body 20 joined to the waistline member 10 is the lower part of the wearer's crotch (the part where the absorbent body 20 comes into contact with the wearer's skin when worn, and the buttocks (buttocks) from the lower abdomen to the crotch. ) Is in contact with the sacral portion) and is supported in the vertical direction by the waist circumference member 10.
  • the absorbent article 1 is a pants type having an abdomen, a back portion, and a lower crotch, and a waist circumference opening 1a and a pair of leg circumference openings 1b are formed, and is an elastic sheet or the like included in the waist circumference member 10. It is supported so that it will not fall when worn.
  • contact means that the member is in contact with the wearer, and if at least a part of the member is in contact with the wearer, the member is in contact with the wearer.
  • a state in which the stretchable portion of the waist circumference member 10 is in contact with the wearer and the non-stretchable portion is not in contact with the wearer is a state in which the waist circumference member 10 is in contact with the wearer.
  • a known connecting method such as an adhesive, a heat seal, an ultrasonic seal, or a combination thereof can be exemplified.
  • FIG. 3 is a plan view of the absorbent main body 20
  • FIG. 4 is an arrow view AA of FIG. 3, which is a schematic cross-sectional view of the absorbent main body 20.
  • FIG. 5 will be described later.
  • the absorbent body 20 is a sanitary absorbent body 20 and is a so-called napkin. That is, the absorbent main body 20 includes a liquid-absorbing absorbent core 22, and the outer peripheral surface of the absorbent core 22 is covered with a core wrap sheet 22a.
  • the absorbent core 22 is formed by molding a liquid absorbent material into a predetermined shape, and in the present embodiment, the absorbent core 22 has a substantially rectangular shape in a plan view (diagonal view in FIG. 3) and a convex shape in a cross-sectional view (diagonal view in FIG. 3). It is molded in the shaded area in FIG. 4).
  • the liquid-absorbent material include those in which a liquid-absorbent fiber such as pulp fiber contains a highly absorbent polymer (so-called SAP) or the like.
  • SAP highly absorbent polymer
  • As the core wrap sheet 22a a liquid permeable sheet such as tissue paper or non-woven fabric can be exemplified.
  • the core wrap sheet 22a may not be provided.
  • the absorbent main body 20 has a first skin-side sheet 24a, a second skin-side sheet 24b, and a warming agent 26 on the skin side of the absorbent core 22 as shown in FIG.
  • an inseam thread rubber 30 (corresponding to an elastic member) along the longitudinal direction and a non-skin side sheet 24c are provided.
  • the absorbent main body 20 includes a side sheet 24d, and the side sheet 24d is provided at both ends in the width direction of the absorbent main body 20 from the most non-skin side to the first skin side sheet 24a in the thickness direction. It is provided so as to extend to the skin side and fold back to the non-skin side.
  • a part of the side sheet 24d extending to the skin side forms a three-dimensional gather 50 (corresponding to a leak-proof wall) described later. That is, a pair of three-dimensional gathers 50 formed by the side sheet 24d are provided along the vertical direction at both ends of the absorbent main body 20 in the width direction.
  • a plurality of hinges 40 are formed on the skin side of the absorbent body 20 (absorbent core 22).
  • the three-dimensional gather 50 is preferably composed of the same number of non-woven fabrics from the fulcrum 50B to the apex 50S in order to prevent the warming agent 26 from leaking to the outside. Specifically, two or more non-woven fabrics are used. It is preferable to have.
  • the first skin-side sheet 24a is a liquid-permeable sheet member that can come into contact with the wearer's skin when worn, and is formed of, for example, a hydrophilic air-through non-woven fabric or spunbonded non-woven fabric.
  • the second skin side sheet 24b is a sheet member having substantially the same function and configuration as the first skin side sheet 24a, and is laminated on the non-skin side surface of the first skin side sheet 24a.
  • the absorbent main body 20 is a skin-side sheet, the first skin-side sheet 24a located closest to the skin side, and the second skin-side sheet 24b located between the first skin-side sheet 24a and the absorbent core 22. And have.
  • the second skin side sheet 24b may not necessarily be provided in the absorbent main body 20.
  • the non-skin side sheet 24c may be any liquid impermeable sheet, and polyethylene film, polypropylene film, or the like can be exemplified.
  • the size of the first skin-side sheet 24a and the non-skin-side sheet 24c is a size that covers the entire absorbent core 22.
  • the side sheet 24d Since a part of the side sheet 24d comes into contact with the wearer's skin when worn, it is formed of, for example, an air-through non-woven fabric or a spunbonded non-woven fabric.
  • the warming agent 26 is provided to relieve the wearer's menstrual pain and cold symptoms, and by stimulating the wearer's temperature sensation, the warming stimulant 26 makes the stimulated wearer feel warm. It contains and is provided in a mixed state with a solvent which is a volatile substance.
  • the warming agent 26 is placed between the first skin side sheet 24a and the second skin side sheet 24b in the thickness direction (the non-skin side of the first skin side sheet 24a and the skin side of the second skin side sheet 24b). In the present embodiment, it is applied to the non-skin side of the first skin side sheet 24a (black-painted portion in FIG. 4), and is not applied to a place that comes into contact with the wearer's skin. ..
  • the warming agent 26 according to the present embodiment vaporizes and reaches the wearer's skin to exert its main warming effect. The vaporization of the warming agent 26 will be described in detail later.
  • the warming agent 26 may be provided in the absorbent core 22. That is, at least one of the absorbent core 22 and the skin-side sheet (first skin-side sheet 24a and second skin-side sheet 24b) may be provided with the warming agent 26.
  • the warming stimulant is preferably a plant-derived compound from the viewpoint of the wearer's sense of security.
  • the warming stimulant include capsicoside, capsaicin (LD50: 47 mg / kg, molecular weight: 305), capsaicinoids (dihydrocapsaicin, nordihydrocapsaicin, homodihydrocapsaicin, homocapsaicin, nonibamid, etc.), capsantin, benzyl nicotinate, etc.
  • the solvent is not particularly limited as long as it can contain a warming stimulant, and examples thereof include lipophilic solvents and hydrophilic solvents.
  • the solvent can dissolve, disperse, etc. the warming stimulant.
  • the lipophilic solvent examples include fats and oils, for example, natural oils (for example, fatty acid esters such as triglycerides, coconut oil, linseed oil, tri (capril / capric acid) glyceryl, etc.), hydrocarbons (for example, paraffin, for example, liquid paraffin). And so on.
  • natural oils for example, fatty acid esters such as triglycerides, coconut oil, linseed oil, tri (capril / capric acid) glyceryl, etc.
  • hydrocarbons for example, paraffin, for example, liquid paraffin.
  • hydrophilic solvent examples include water and alcohol.
  • examples of the alcohol include lower alcohols such as methanol, ethanol, ethylene glycol and glycerin, higher alcohols such as capryl alcohol, lauryl alcohol and myristyl alcohol.
  • the warming agent 26 is preferably one that stimulates the temperature-sensitive TRP channel.
  • TRPV1 which is one of the temperature-sensitive TRP channels, is activated by stimulation with capsaicin, acid and the like. Then, when the wearer's TRPV1 is activated, heat production is caused through the sympathetic nervous system (the wearer produces heat in the body).
  • the warming agent 26 is unlikely to have an effect unless it comes into direct contact with the wearer's skin. That is, for example, a volatile substance such as a fragrance can exert an effect of suppressing the odor of the surroundings when it becomes a gas, but the warming agent 26 comes into direct contact with the wearer's skin after vaporization and the sensitizer 26 thereof. Demonstrate the main effect. Therefore, when the warming agent 26 comes into contact with the wearer's skin via the non-woven fabric or the like, the wearer can gradually feel the effect of the warming agent 26 on the skin.
  • a volatile substance such as a fragrance can exert an effect of suppressing the odor of the surroundings when it becomes a gas
  • the warming agent 26 comes into direct contact with the wearer's skin after vaporization and the sensitizer 26 thereof. Demonstrate the main effect. Therefore, when the warming agent 26 comes into contact with the wearer's skin via the non-woven fabric or the like, the wearer can gradually feel the effect of the warming agent 26 on the skin.
  • FIG. 5 is a diagram showing a coated region 26p and a non-coated region 26n of the warming agent 26.
  • the warming agent 26 has a predetermined size in the width direction and is applied to a pair of application regions 26p (hatched portion in FIG. 5) along the vertical direction (longitudinal direction). Therefore, a non-applied region 26n along the longitudinal direction in which the warming agent 26 is not applied is provided at the central portion of the absorbent main body 20 in the width direction.
  • a non-coated region 26n having a width dimension of 15 mm is provided at the center of the absorbent main body 20 in the width direction, and a pair of coated regions 26p are provided on both outer sides of the non-coated region 26n in the width direction.
  • the width dimension is 25 mm.
  • the coated region 26p and the non-coated region 26n are regions continuous from the front end to the rear end in the longitudinal direction of the absorbent body 20.
  • the solvent of the warming agent 26 vaporizes in a state containing the warming stimulant. That is, the solvent containing the warming stimulant evaporates and reaches the wearer's skin, and the reached warming stimulant stimulates the wearer's temperature sensation. That is, in the present embodiment, even if the warming agent 26 is not in direct contact with the wearer's skin, the vaporized warming agent 26 is vaporized to cause the wearer's skin. Contact with.
  • the amount of vaporization of such a solvent is determined by the temperature change of the warming agent 26 due to the transmission of the body temperature of the wearer and the magnitude of the expansion / contraction operation of the absorbent main body 20 in which the warming agent 26 is located.
  • the agent 26 also moves significantly and the amount of vaporization increases). That is, the degree of transmission of body temperature to the warming agent 26 (distance between the warming agent 26 and the wearer's skin, etc.), the degree of expansion and contraction of the absorbent body 20 where the warming agent 26 is located (presence or absence of an elastic member, etc.), etc.
  • the amount of vaporization can be adjusted by adjusting. That is, it is possible to adjust the strength of the warmth stimulus felt by the wearer and the length of the duration (time during which the solvent evaporates) at which the effect of the warming agent is exerted.
  • the inseam thread rubber 30 is located at the center of the absorbent body 20 in the left-right direction (width direction) from the front side where the lower abdomen abuts to the rear side where the buttocks abut through the crotch part. It is provided up to. That is, the absorbent main body 20 is provided with the inseam thread rubber 30 along the vertical direction (longitudinal direction).
  • the inseam thread rubber 30 is joined to the non-skin side sheet 24c in a continuously stretched state and then cut for each absorbent article 1, the inseam thread rubber 30 in the unjoined portion is joined after cutting.
  • the inseam thread rubber 30 in a state of contracting toward the portion and not extending is provided on the absorbent main body 20. That is, at the front end of the inseam thread rubber 30, the inseam thread rubber 30 in a non-extended state is provided.
  • the absorbent body 20 Since such a portion has higher rigidity than the portion where the inseam thread rubber 30 is not provided, the absorbent body 20 becomes cup-shaped (U-shaped when viewed from the left-right direction in the pants type) when the absorbent article 1 is worn. After being deformed, the shape of the absorbent body 20 is made difficult to collapse. That is, in the pants-type absorbent article 1, for example, when a force that deforms the absorbent main body 20 is applied from above in the vertical direction, there is a portion where the inseam thread rubber 30 in a non-stretched state is provided. For example, since such a portion has higher rigidity and is less likely to be deformed than the portion without the inseam thread rubber 30, it is possible to prevent the shape of the absorbent main body 20 from being deformed.
  • the inseam thread rubber 30 according to the present embodiment is provided on the non-skin side of the non-skin side sheet 24c on the non-skin side of the absorbent core 22, but is not limited to this, for example, non-skin. It may be provided on the skin side of the skin side sheet 24c, or may be provided not only on the non-skin side but also on the skin side of the absorbent core 22.
  • the member for expanding and contracting the absorbent main body 20 is not limited to the inseam thread rubber 30, and an elastic non-woven fabric or an elastic film may be used.
  • the hinge 40 is provided so that when the wearer wears the absorbent article 1, the absorbent body 20 is deformed along the wearer's body (so as to be a crease of deformation), and FIG. As shown, the skin side of the absorbent body 20 (absorbent core 22) has a concave shape recessed from the skin side to the non-skin side.
  • the concave shape of the hinge 40 according to the present embodiment is formed by squeezing the absorbent body 20 (absorbent core 22) coated with the warming agent 26 from the skin side. That is, the hinge 40 is a squeeze groove in which the density of the absorbent core 22 is higher than the density around it.
  • the absorbent core 22 has a predetermined length in the width direction at the front end portion in the longitudinal direction, which is mainly in contact with the lower abdomen when worn.
  • a front hinge 41 is provided. The front hinge 41 is mainly provided so that the absorbent main body 20 is along the lower abdomen.
  • a pair of hinges 42 are provided at a predetermined interval in a plurality of width directions at intervals on the rear side in the longitudinal direction of the front hinge 41.
  • the pair of hinges 42 are provided so that the absorbent body 20 is mainly provided along the crotch portion and the buttocks.
  • the depth of the recess of the hinge 40 according to the present embodiment is not constant, and there are shallow and deep portions. By adjusting the depth of the recess of the hinge 40, the degree of deformation of the absorbent body 20 Is being adjusted.
  • the three-dimensional gather 50 is provided to abut the wearer's thigh circumference and suppress liquid leakage from the inside. That is, the three-dimensional gathers 50 are provided at both ends of the absorbent body 20 in the width direction as a pair of three-dimensional gathers 50 corresponding to both legs.
  • the pair of three-dimensional gathers 50 have an adhesive region 54 (corresponding to a joint region) to which an adhesive is applied to the front upper end portion and the rear upper end portion, respectively.
  • the adhesive region 54 it is joined to the first skin side sheet 24a. That is, the pair of three-dimensional gathers 50 have an adhesive region 54 for fixing the pair of three-dimensional gathers 50 at the front upper end portion and the rear upper end portion, respectively.
  • the absorbent article 1 according to the present embodiment is formed into a pants shape and then folded, and one absorbent article 1 is put in one packaging container and packaged. That is, the absorbent article 1 is individually wrapped, and in the packaged state, it is in a folded state.
  • FIG. 6 is a schematic plan view showing a vertical fold line BL, a left fold line LB, and a right fold line RB on a front view of the pants-type absorbent article 1.
  • the upper view of FIG. 7 is a schematic plan view of the pants-type absorbent article 1 in which the left extending portion 10L and the right extending portion 10R are folded inward, and the lower figure is a schematic cross-sectional view of the arrow BB. ..
  • FIG. 8 is a schematic plan view of the pants-type absorbent article 1 folded in the vertical direction with the vertical folding line BL as a crease
  • the right figure is a side schematic view of the absorbent body 20 when viewed from the right side. is there.
  • FIG. 9 is a plan view of the absorbent main body 20 showing the position of the vertical folding line BL on the absorbent main body 20.
  • the left extending portion 10L is folded inward (right side) at the left folding line LB, and the right extending portion 10R is folded inside (left side) at the right folding line RB.
  • the vertical folding line BL along the left-right direction is used as a crease, and the product is placed in a packaging container in a vertically folded state for packaging.
  • the absorbent article 1 has a left fold line LB as a fold when at least a part of the left extending portion 10L is folded to the right and a right side as a crease when at least a part of the right extending portion 10R is folded to the left. It has a polygonal line RB and.
  • both the left extending portion 10L and the right extending portion 10R are folded to the back side. Either the left extending portion 10L or the right extending portion 10R may be folded first.
  • the left extending portion 10L and the right extending portion 10R folded inward overlap with the coating area 26p. That is, in the state before the absorbent article 1 is folded in the vertical direction, when viewed in the front-rear direction, at least a part of the warming agent 26 is folded with the left folding line LB as a crease, and the left extending portion 10L and It overlaps with at least one of the right extending portions 10R folded with the right folding line RB as a crease.
  • the left extending portion 10L and the right extending portion 10R overlap in the vertical direction (range of 1bY shown in FIG. 7). That is, the absorbent article 1 has a pair of leg circumference openings 1b on both sides in the left-right direction, and at least a part of the pair of leg circumference openings 1b in the packaged state extends to the left side in the vertical direction. It overlaps with at least one of 10L and the right extending portion 10R.
  • the absorbent article 1 has a vertical folding line BL along the left-right direction. As a crease, it is folded up and down. That is, at least one of the left extending portion 10L folded with the left folding line LB as a fold and the right extending portion 10R folded with the right folding line RB as a fold is folded in the vertical direction with the vertical folding line BL as a fold.
  • the left extending portion 10L and the right extending portion 10R that are folded in the vertical direction overlap with the warming agent 26 when viewed in the front-rear direction. That is, in the absorbent article 1, when viewed in the front-rear direction in the packaged state, at least a part of the warming agent 26 is folded in the vertical direction at least one of the left extending portion 10L and the right extending portion 10R. Duplicate with.
  • the absorbent main body 20 and the vertical folding line BL are in a state before the absorbent article 1 is folded in the vertical direction, and the vertical folding line BL is the upper end (rear upper end) of the absorbent main body 20. It is located below the upper end of the portion 20Be). That is, in the packaged state, at least a part of the absorbent main body 20 is folded in the vertical direction with the vertical folding line BL as a crease.
  • the front upper end portion 20Fe of the absorbent main body 20 and the rear upper end portion 20Be of the absorbent main body 20 in the state before the absorbent article 1 is folded in the vertical direction are formed in the thickness direction.
  • the non-skin side surface of the rear upper end portion 20 Be of the absorbent body 20 is below the vertical folding line BL and faces the non-skin side surface of the absorbent body 20 on the front and rear rear sides.
  • the absorbent body 20 is folded in the vertical direction.
  • At least a part of the warming agent 26 is provided below the vertical folding line BL in the state before the absorbent article 1 is folded in the vertical direction.
  • the coating region 26p above the vertical folding line BL is in the state before the absorbent article 1 is folded in the vertical direction. It is smaller than the coating area 26p below the vertical folding line BL.
  • the inseam thread rubber 30 and the vertical fold line BL do not overlap when viewed in the front-rear direction. That is, in the packaged state, the inseam thread rubber 30 is not folded in the vertical direction with the vertical folding line BL as a crease.
  • the hinge 40 and the vertical fold line BL have a pair of hinges 42 on the rear side of the absorbent main body 20 overlapping with the vertical fold line BL when viewed in the front-rear direction. That is, in the packaged state, at least a part of the hinge 40 is folded in the vertical direction with the vertical folding line BL as a crease.
  • the adhesive region 54 and the vertical fold line BL of the pair of three-dimensional gathers 50 overlap the vertical fold line BL on both the front side and the rear side of the absorbent body 20 when viewed in the front-rear direction. There is. That is, in the packaged state, at least a part of the adhesive region 54 is folded in the vertical direction with the vertical folding line BL as a crease.
  • the pants-type absorbent article 1 has a liquid-absorbing absorbent core 22 and a skin-side sheet (first skin-side sheet 24a) provided on the skin side of the absorbent core 22. And a second skin side sheet 24b), a pants-type absorbent body 20 having an absorbent body 20 and a waistline member 10 that expands and contracts in the left-right direction and is arranged so as to be overlapped on the non-skin side of the absorbent body 20.
  • Article 1 has a warm feeling on at least one of the absorbent core 22 and the skin side sheet (first skin side sheet 24a and second skin side sheet 24b) (the first skin side sheet 24a in the present embodiment).
  • the agent 26 is provided, and the pants-type absorbent article 1 is packaged in a vertically folded state with the vertical fold line BL along the left-right direction as a crease, and before the pants-type absorbent article 1 is folded vertically. In the state, at least a part of the warming agent 26 was determined to be below the vertical folding line BL. Therefore, it is possible to suppress the discharge of the vaporized warming agent 26.
  • the fold of the vertical folding line BL functions as a lid of the waist circumference opening 1a in the packaged state, so that the discharge of the vaporized warming agent 26 is suppressed. Is possible.
  • the absorbent body 20 has a coating region 26p in which the warming agent 26 is applied to a predetermined region along the vertical direction, and the pants-type absorbent article 1 is before being folded in the vertical direction.
  • the coating area 26p of the absorbent body 20 above the vertical folding line BL is smaller than the coating area 26p of the absorbing body 20 below the vertical folding line BL.
  • the fold of the vertical folding line BL can function as a lid of the waist circumference opening 1a in the packaged state for a region exceeding half of the coating region 26p. That is, the discharge of the vaporized warming agent 26 is further suppressed.
  • the vertical folding line BL is lower than the upper end of the absorbent main body 20 (the upper end of the rear upper end portion 20Be). It is located on the side, and in the packaged state, at least a part of the absorbent main body 20 is folded in the vertical direction with the vertical folding line BL as a crease.
  • the waistline member 10 is folded in the vertical direction, it is folded in the vertical direction with increased rigidity, so that the absorbent main body 20 is folded along the vertical folding line BL while forming a folding habit.
  • a folding habit is formed in the absorbent main body 20 along the vertical folding line BL.
  • the warming agent 26 is applied to the folding habit, it is possible to give the wearer a warming effect due to the shape of the folding habit. That is, if the fold habit is a shape protruding from the non-skin side to the skin side, the warming agent 26 approaches the wearer's skin, so that the temperature of the warming agent 26 rises due to the wearer's body temperature and its vaporization occurs. It is promoted and it becomes possible to enhance the effect of the warming agent 26.
  • the warming agent 26 moves away from the wearer's skin, so that the irritation given by the warming agent 26 to the wearer is suppressed, and further, a warm feeling Since the vaporization of the agent 26 is suppressed, the warming effect can be maintained for a long period of time.
  • the non-skin side surface of the rear upper end portion 20Be of the absorbent main body 20 in the state before folding the pants-type absorbent article 1 in the vertical direction is below the vertical folding line BL and in the front-rear direction. It was decided that the absorbent body 20 was folded in the vertical direction so as to face the non-skin side surface of the absorbent body 20 on the rear side.
  • a crease that protrudes from the non-skin side to the skin side is formed in the sacral portion of the wearer, and the warming agent 26 located at the fold habit approaches the sacral portion of the wearer.
  • the temperature of the agent 26 rises and its vaporization is promoted, so that the effect of the warming agent 26 can be enhanced in the sacral region.
  • the thickness of the front upper end portion 20Fe of the absorbent main body 20 and the rear upper end portion 20Be of the absorbent main body 20 in the state before the pants-type absorbent article 1 is folded in the vertical direction are thick.
  • the non-skin side surface of the rear upper end portion 20Be of the absorbent body 20 faces the non-skin side surface of the absorbent body 20 below the vertical folding line BL and on the front and rear rear sides. As described above, it was decided that the absorbent main body 20 was folded in the vertical direction.
  • the absorbent main body 20 on the rear side or the front side is folded in the vertical direction, it is folded in the vertical direction with increased rigidity, so that it can be folded firmly in the vertical direction. That is, the crease of the vertical fold line functions as a firm lid of the waist circumference opening 1a in the packaged state, and it is possible to further suppress the discharge of vaporized volatile substances.
  • a crease that protrudes from the skin side to the non-skin side is formed on the absorbent body 20 on the front side (ventral side). Since such a folding habit keeps the warming agent 26 away from the wearer's skin, the irritation given to the wearer by the warming agent 26 is suppressed, and the vaporization of the warming agent 26 is suppressed, so that the warming effect is maintained for a long period of time. It can be sustained. In addition, since the fold habit easily follows the bulge of the lower abdomen, it is possible to suppress the feeling of oppression when worn.
  • the waist circumference member 10 has a left extending portion 10L located on the left side of the left end of the absorbent main body 20 and a right extending portion 10L located on the right side of the right end of the absorbent main body 20.
  • the pants-type absorbent article 1 has a portion 10R, and the pants-type absorbent article 1 has a left folding line LB as a crease when folding at least a part of the left extending portion 10L to the right side, and at least a part of the right extending portion 10R on the right side.
  • It has a right side fold line RB as a crease when it is folded into, and when the pants-type absorbent article 1 is viewed in the front-rear direction in the state before being folded in the vertical direction, at least a part of the warming agent 26 is present. It was decided that the left extension portion 10L folded with the left fold line LB as a crease and the right extension portion 10R folded with the right fold line RB as a crease overlap with at least one of them.
  • At least one of the left extending portion 10L and the right extending portion 10R folded inward in the left-right direction is packaged in a state of overlapping with the warming agent 26 in the front-rear direction. It is possible to suppress the discharge of the vaporized warming agent 26 (discharged from the non-skin side sheet 24c) in the front-rear direction.
  • At least one of the left extending portion 10L folded with the left folding line LB as a crease and the right extending portion 10R folded with the right folding line RB as a crease has the vertical folding line BL as a crease.
  • at least a part of the warming agent 26 is with at least one of the left extending portion 10L and the right extending portion 10R folded in the vertical direction. It was decided that they were duplicated.
  • the left extending portion 10L and the right extending portion 10R folded inward in the left-right direction both in the present embodiment
  • the left extending portion 10L and the right extending portion folded in the vertical direction Since at least one of the protrusions 10R (both in the present embodiment) is packaged in a state of overlapping with the warming agent 26 in the front-rear direction, the vaporized temperature (exhausted from the non-skin side sheet 24c) in the front-rear direction. It is possible to further suppress the discharge of the sensitizer 26.
  • a pair of leg circumference openings 1b are provided on both sides in the left-right direction, and at least a part of the pair of leg circumference openings 1b extends to the left in the vertical direction in the packaged state. It was decided to overlap with at least one of the portion 10L and the right extending portion 10R.
  • At least one of the left extension portion 10L and the right extension portion 10R overlaps with the pair of leg circumference openings 1b in the vertical direction, so that the pair of leg circumference openings in the packaged state. Since it functions as a lid of the part 1b, it is possible to suppress the discharge of the vaporized warming agent 26.
  • a pair of three-dimensional gathers 50 are provided along the vertical direction at both ends of the absorbent main body 20 in the left-right direction, and the pair of three-dimensional gathers 50 are the upper ends on the front side of each.
  • An adhesive region 54 for fixing the pair of three-dimensional gathers 50 is provided at the portion and the upper end portion on the rear side, and in the packaged state, at least a part of the adhesive region 54 is in the vertical direction with the vertical fold line BL as a crease. It was decided that it was folded into.
  • the adhesive region 54 has higher rigidity than the region other than the adhesive region 54, if the adhesive region 54 is a crease of the vertical folding line BL, the absorbent article 1 can be firmly folded in the vertical direction. That is, the fold of the vertical folding line BL further functions as a lid of the waist circumference opening 1a in the packaged state, and the discharge of the vaporized warming agent 26 can be further suppressed. Further, since the absorbent article 1 is firmly folded in the vertical direction, the folding habit of the absorbent main body 20 is formed more strongly.
  • the absorbent core 22 is provided with a hinge 40 having a density higher than that around the absorbent core 22, and in the packaged state, at least a part of the hinge 40 is a vertical folding line. It was decided that the BL was folded in the vertical direction with the crease.
  • the hinge 40 Since the hinge 40 has higher rigidity than the region other than the hinge 40, if the hinge 40 is used as a fold of the vertical folding line BL, the absorbent article 1 can be firmly folded in the vertical direction. That is, the fold of the vertical folding line BL further functions as a lid of the waist circumference opening 1a in the packaged state, and the discharge of the vaporized warming agent 26 can be further suppressed. Further, since the absorbent article 1 is firmly folded in the vertical direction, the folding habit of the absorbent main body 20 is formed more strongly.
  • the inseam thread rubber 30 is provided along the vertical direction at the central portion of the absorbent main body 20 in the left-right direction, and the inseam thread rubber 30 is provided with the vertical folding line BL in the packaged state. As a crease, it was decided not to fold in the vertical direction.
  • the inseam thread rubber 30 does not form a folding habit along the vertical folding line BL, it is possible to suppress an adverse effect on the expansion and contraction function of the inseam thread rubber 30.
  • the absorbent body 20 is located between the first skin-side sheet 24a located closest to the skin side, the first skin-side sheet 24a, and the absorbent core 22 as the skin-side sheet.
  • the second skin side sheet 24b and the second skin side sheet 24b are provided, and the warming agent 26 is provided on at least one of the non-skin side and the second skin side sheet 24b of the first skin side sheet 24a.
  • the warming agent 26 When the warming agent 26 is provided on the inner surface (the surface on the skin side) of the absorbent article 1, the warming agent 26 comes into direct contact with the wearer, so that the wearer is too irritated and the wearer's skin. It can cause skin problems such as redness, itchiness, and rashes. Further, when the warming agent 26 is provided on the outer surface (the surface on the non-skin side) of the absorbent article 1, the warming agent 26 is applied to the wearer's skin even if the non-skin side sheet 24c allows gas to permeate. It is too far from the above, and the effect of the warming agent 26 is not fully exhibited.
  • the warming agent 26 and the wearer's skin do not come into direct contact with each other, and the first skin side sheet 24a closest to the wearer's skin is placed on the non-skin side. It was decided to apply. That is, since it is possible to avoid inappropriate positions (inner surface and outer surface) of the warming agent 26 in the thickness direction and it is close to the wearer's skin, the temperature of the warming agent 26 rises depending on the wearer's body temperature. Then, the vaporization is promoted, and the effect of the warming agent 26 can be enhanced.
  • the left side extending portion 10L (right side extending portion 10R) is the left side folding line LB (right side folding line RB).
  • the vertical fold line BL was used as a fold and folded in the vertical direction so that the members on the back side faced each other, but the packaging was not limited to this.
  • the left extending portion 10L (right extending portion 10R) is first folded ventrally with the left folding line LB (right folding line RB) as a crease, and then the vertical folding line BL. May be folded and packaged in the vertical direction so that the members on the ventral side face each other.
  • the fold of the vertical folding line BL functions as a lid of the waist circumference opening 1a in the packaged state as in the above embodiment, the discharge of the vaporized warming agent 26 is suppressed. It becomes possible.
  • the rear waist circumference member 10b has a portion covering the buttocks, it generally has a shape larger than the front waist circumference member 10f (hatched portion shown in FIG. 6) in a plan view.
  • the left extension portion 10L (right extension portion 10R) is folded ventral to the left fold line LB (right fold line RB), it covers the buttocks of the left extension portion 10L (right extension portion 10R). Since the portions (hatched portion shown in FIG. 6) overlap so as to close the pair of leg circumference openings 1b, the vaporized warming agent functions as a firm lid of the pair of leg circumference openings 1b in the packaged state. It is possible to further suppress the emission of 26.
  • the crease on the front side (ventral side) of the absorbent body 20 is formed in a shape protruding from the non-skin side to the skin side, the crease can be strongly brought into contact with the lower abdomen. That is, since the warming agent 26 located in the folding habit approaches the wearer's skin, the temperature of the warming agent 26 rises due to the wearer's body temperature to promote vaporization, and the effect of the warming agent 26 on the lower abdomen. Can be increased.
  • the crease on the rear side (dorsal side) of the absorbent body 20 is formed in a shape protruding from the skin side to the non-skin side, so that the warming agent 26 applied to the crease is from the sacral portion. It will go away. That is, the irritation given to the wearer by the warming agent 26 is suppressed, and the vaporization of the warming agent 26 is suppressed, so that the warming effect can be maintained for a long period of time. In addition, since the fold habit easily follows the bulge of the sacral portion (buttocks), it is possible to suppress the feeling of oppression when worn.
  • the packaging of the pants-type absorbent article 1 is an individual packaging in which one pants-type absorbent article 1 is folded and placed in one packaging container, but the present invention is not limited to this. A plurality of pants-type absorbent articles 1 may be folded and placed in one packaging container.
  • one or more pants-type absorbent articles 1 are stored in the packaged container after opening. Situations are possible. In such a situation, the vaporized warming agent 26 existing in the space inside the absorbent article 1 is easily discharged. That is, if the pants-type absorbent article 1 is folded as in the above embodiment, the discharge of the vaporized warming agent 26 can be suppressed as compared with the case where the pants-type absorbent article 1 is not folded. It will be possible.
  • the warming agent 26 is used as an example of the volatile substance, but the warming agent 26 is not limited to the warming agent 26, and for example, a cold sensitizer may be used.
  • a cooling sensation agent it is possible to reduce the discomfort caused by the wearer's stuffiness and stickiness.
  • the volatile substance has a cooling sensitizing effect (warmth) of the wearer as compared with the case where the volatile substance is other than the cooling sensitizer (warming agent 26). It is possible to enhance the feeling effect).
  • the mechanism by which the warming agent 26 described above vaporizes and exerts its effect is the same for the cooling sensitizer and the fragrance described later, so these explanations will be omitted.
  • cooling sensitizers examples include menthol (eg, l-menthol) and derivatives thereof (eg, menthol lactate), methyl salicylate, camphor, essential oils derived from plants (eg, mint, eucalyptus) and the like.
  • menthol eg, l-menthol
  • menthol lactate e.g, menthol lactate
  • camphor e.g., camphor
  • essential oils derived from plants eg, mint, eucalyptus
  • the cooling agent preferably stimulates the temperature-sensitive TRP channel.
  • the warming agent 26 is used as an example of the volatile substance, but the warming agent 26 is not limited to the warming agent 26, and for example, a fragrance may be used.
  • the fragrance may be used in place of the warming agent 26, or may be used together with the warming agent 26.
  • the fragrance the same fragrance as those conventionally used in the art can be used.
  • a green herbal-like fragrance (green herbal-like fragrance) is used as the fragrance, it does not cause any physical irritation to the body and does not cause physical irritation to the body, and does not depend on oral administration. It can be relaxed safely and easily. In addition to this, a feeling of comfort can be obtained.
  • the green herbal-like scent is a scent containing a green-like scent (green note) or a herbal-like scent (herbal note).
  • Green-like aroma refers to the refreshing aroma of grass and young leaves.
  • Herbal note is a natural, herbal-like scent that uses herbs.
  • Fragrance compositions containing fragrances with a green herbal-like aroma include cis-3-hexenol, cis-3-hexenyl formate, cis-3-hexenyl acetate, cis-3-hexenyl propionate, cis-3-hexenyl butyrate, Trans-2-hexenal, trans-2-hexenyl acetate, hexyl acetate, styralyl acetate, 2-methyl-3- (3,4-methylenedioxyphenyl) -propanal (IFF company name, helional), 3 (4)- (5-Ethylbicyclo [2,2,1] heptyl-2) -cyclohexanol-allyl 2-pentyroxyglycolate (IFF company name, allylamylglycolate), 4-methyl-3-decene-5-ol (Givaudan) Company name, Undecavertor), hexyl aldehyde,
  • Fragrance compositions containing perfumes with a green herbal-like aroma further include l-menthol, 1,8-cineole, methyl salicylate, citroneral, camphor, borneol, isobornyl acetate, terpinyl acetate, eugenol, anethole, 4-methoxybenzyl. It preferably contains one or more fragrances selected from alcohol and estragole. The fragrances containing these mainly produce herbal-like fragrances.
  • 1 Absorbent article (pants type absorbent article), 1a Girth opening, 1b Leg opening 10 Girth member, 10f Front girth member, 10fe Front joint 10ff Girth front end, 10b Rear girth member, 10be Rear joint Part 10bf Girth rear end, 10L left extension, 10R right extension 20 absorbent body, 20Fe front upper end, 20Be rear upper end, 22 absorbent core 22a core wrap sheet, 24a first skin side sheet, 24b 2nd skin side sheet 24c Non-skin side sheet, 24d side sheet, 26 Warming agent (volatile substance) 26p coated area, 26n non-coated area, 30 inseam thread rubber (elastic member) 40 Hinge (squeeze groove), 41 Front hinge, 42 Pair of hinges 50 Solid gather (leakage barrier), 50B fulcrum, 50S apex 54 Adhesive area (joint area), BL vertical fold line, LB left fold line, RB right fold line CL Central polygonal line

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
PCT/JP2020/015409 2019-06-20 2020-04-03 パンツ型吸収性物品 WO2020255534A1 (ja)

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CN112107431A (zh) 2020-12-22

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