WO2016051932A1 - 吸収性物品 - Google Patents

吸収性物品 Download PDF

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Publication number
WO2016051932A1
WO2016051932A1 PCT/JP2015/070628 JP2015070628W WO2016051932A1 WO 2016051932 A1 WO2016051932 A1 WO 2016051932A1 JP 2015070628 W JP2015070628 W JP 2015070628W WO 2016051932 A1 WO2016051932 A1 WO 2016051932A1
Authority
WO
WIPO (PCT)
Prior art keywords
region
absorbent article
music part
absorbent
music
Prior art date
Application number
PCT/JP2015/070628
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
西谷　和也
英之 木下
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 CN201580052526.7A priority Critical patent/CN106794080B/zh
Priority to MYPI2017701077A priority patent/MY183158A/en
Priority to KR1020177011663A priority patent/KR102508042B1/ko
Publication of WO2016051932A1 publication Critical patent/WO2016051932A1/ja
Priority to PH12017500574A priority patent/PH12017500574A1/en

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Classifications

    • 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
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4756—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
    • 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
    • A61F13/47236—Sanitary towels, incontinence pads or napkins specially adapted for female use characterised by an unusual contour
    • 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
    • A61F13/474—Sanitary towels, incontinence pads or napkins adjustable
    • 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
    • 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
    • A61F13/56—Supporting or fastening means
    • 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
    • A61F13/56—Supporting or fastening means
    • A61F13/5605—Supporting or fastening means specially adapted for sanitary napkins or the like
    • A61F13/5611—Supporting or fastening means specially adapted for sanitary napkins or the like using fastening strips, e.g. adhesive, on the undergarment-facing side
    • 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
    • A61F13/56—Supporting or fastening means
    • A61F13/58—Adhesive tab fastener elements

Definitions

  • the present invention relates to an absorbent article such as a sanitary napkin.
  • Patent Document 1 discloses an absorbent article for night use that prevents back leakage.
  • the absorptive article of patent documents 1 has an excretion part facing part arranged opposite to a wearer's liquid excretion part, and a back part arranged on the back side rather than an excretion part facing part.
  • the absorber in the rear part is formed with a plurality of high density parts and low density parts extending in the width direction.
  • the absorbent article of Patent Document 1 holds body fluid by a high-density portion having a relatively high density when the body fluid flows backward, and a low-density portion having a relatively low density is flexibly deformed to suppress rear leakage. To do.
  • the absorbent article described above has the following problems.
  • the present applicant has investigated various deformations of the wearer's body in the sleeping state. As a result, it was found that the wearer in a sleeping state deformed by body pressure, and the absorbent article deformed into an unintended state.
  • the swell of the buttocks is crushed for a wearer lying on his back.
  • the part where the bulge of the buttocks is crushed moves to the crotch side.
  • the absorbent article arranged to face the wearer's crotch region is pressed by the portion where the bulge of the buttocks is crushed and deforms away from the wearer's body.
  • a gap may be generated between the wearer's crotch region and the absorbent article, and rear leakage may occur.
  • This invention is made
  • an absorbent article (absorbent article 1) according to the present disclosure has a front-rear direction (front-rear direction L) and a width direction (width direction W) orthogonal to each other, and an absorbent material is laminated.
  • An absorbent body having an absorbent core (absorbent core 31), a skin surface sheet (skin surface sheet 10) located closer to the skin facing surface than the absorbent body, and a non-skin facing surface than the absorbent body
  • a main body portion (main body portion 2) having a non-skin surface sheet (non-skin surface sheet 20) positioned on the side, and extends outward in the width direction from the outer edge of the main body portion, and the non-skin surface sheet side in use
  • An absorbent article having a wing that can be folded back into the wing, wherein the wing is located behind the center in the front-rear direction of the wing and forward of the rear end edge of the absorbent core in the width direction.
  • the first music part extending (first music part 41) and the first music part 2nd music part (2nd music part 42) which is located back and extends in the width direction is provided, and the absorptive article is thick in the 1st music part and the 2nd music part.
  • the absorbent article is configured to bend in a direction, and the absorbent article includes a first area (first area R1) adjacent to the first music section in front of the first music section, and the second music composition.
  • the basis weight of the absorbent material in the intermediate region is lower than the basis weight of the absorbent material in the first region and lower than the basis weight of the absorbent material in the second region,
  • the length in the front-rear direction is a length of the absorbent body adjacent to the first curved portion of the first region.
  • the gist is that it is longer than the thickness.
  • the absorbent article (absorbent article 1) has a front-rear direction (front-rear direction L) and a width direction (width direction W) orthogonal to each other, and an absorbent core (absorbent core) laminated with an absorbent material 31) an absorber (absorber 30), a skin sheet (skin sheet 10) positioned on the skin-facing surface side of the absorber, and a non-skin positioned on the non-skin-facing surface side of the absorber
  • a main body portion (main body portion 2) having a face sheet (non-skin face sheet 20), and a wing that extends outward in the width direction from the outer edge of the main body portion and can be folded back to the non-skin face sheet side during use.
  • a first curved portion extending in the width direction on the rear side of the wing in the front-rear direction and on the front side of the rear end edge of the absorbent core.
  • a first music piece 41 located behind the first music part, and And a second music part (second music part 42) extending in the width direction, the first music part and the second music part so that the absorbent article can bend in the thickness direction.
  • the absorbent article includes a first region (first region R1) adjacent to the first music part in front of the first music part, and a second part in the rear of the second music part.
  • the basis weight of the absorbent material in the intermediate region is lower than the basis weight of the absorbent material in the first region and lower than the basis weight of the absorbent material in the second region, and the length of the intermediate region in the front-rear direction is
  • the gist is that it is 10 mm or more and 50 mm or less.
  • FIG. 2 is a schematic cross-sectional view taken along the line AA shown in FIG. 4 (a), 4 (b), and 4 (c) are schematic diagrams for explaining the mounted state of the absorbent article shown in FIG. It is a top view of an absorptive article concerning a modification.
  • FIG. 1 is a plan view of the absorbent article
  • FIG. 2 is a rear view of the absorbent article
  • 3 is a cross-sectional view taken along line AA shown in FIG.
  • the absorbent article 1 according to this embodiment is a sanitary napkin for night use.
  • the absorbent article 1 includes a front-rear direction L extending to the wearer's front side (abdominal side) and rear side (back side), a width direction W orthogonal to the front-rear direction L, the skin-facing surface side T1 of the wearer and the non-skin And a thickness direction T extending to the facing surface side T2.
  • the absorbent article 1 includes an absorbent body 30 having an absorbent core in which absorbent materials are laminated, a skin surface sheet 10 positioned on the skin facing surface side T1 from the absorbent body 30, and a non-skin facing surface side T2 from the absorbent body 30.
  • seat 20 located in is provided.
  • the skin sheet 10 covers a liquid-permeable surface sheet 11 that covers at least the center of the absorbent body 30 in the width direction, and an outer edge (outer edge in the width direction) of the surface sheet 11 and extends to the outside in the width direction.
  • the non-skin surface sheet 20 is a liquid-impermeable sheet.
  • the top sheet 11 is a liquid-permeable sheet that transmits liquid such as body fluid.
  • the top sheet 11 covers at least the surface of the absorber 30.
  • the surface sheet 11 is not particularly limited as long as it is a sheet-like material having a structure that allows liquid to permeate, such as a nonwoven fabric, a woven fabric, a perforated plastic sheet, and a mesh sheet. Either natural fibers or chemical fibers can be used as the woven or non-woven material.
  • the side sheet 12 can be selected from the same material as the top sheet 11. However, in order to prevent menstrual blood from flowing over the side sheet 12 to the outside of the absorbent article 1, the side sheet 12 preferably has hydrophobicity or water repellency.
  • the side seat 12 is disposed on the outer edge of the main body 2, which will be described later, the wing 3, and the hip flap 4.
  • the non-skin sheet 20 has substantially the same length as the skin sheet 10.
  • the non-skin sheet 20 may be a polyethylene sheet, a laminated nonwoven fabric mainly composed of polypropylene, a breathable resin film, a spunbond, or a sheet in which a breathable resin film is bonded to a nonwoven fabric such as spunlace. it can.
  • the absorbent body 30 has an absorbent core 31 in which absorbent materials are laminated, and a core wrap 32 that covers the absorbent core 31.
  • absorbent material include hydrophilic fibers, pulp, and SAP.
  • the absorbent article 1 has a main body 2, a wing 3, and a hip flap 4.
  • the main body 2 is located in the center in the width direction W of the absorbent article 1 and extends in the front-rear direction L.
  • the wing 3 and the hip flap 4 extend outward in the width direction W from the outer edge 2E of the main body 2.
  • the outer edge 2E of the main body 2 matches the outer edge 30E of the absorber 30.
  • the main body 2 includes a skin sheet 10, a non-skin sheet 20, and an absorber 30. More specifically, the main body 2 includes a top sheet 11, a part of the side sheet 12, a non-skin surface sheet 20, and an absorber 30.
  • the wing 3 has a side sheet 12 and a non-skin surface sheet 20.
  • the center 3LC in the front-rear direction of the wing 3 is arranged to face the wearer's excretion opening.
  • the wing 3 is configured to be foldable toward the non-skin surface sheet 20 and is folded back to the non-skin facing surface side of the crotch portion of the underwear when in use.
  • the hip flap 4 is located behind the wing 3.
  • the hip flap 4 is configured to be disposed on the skin facing surface side of the underwear without being folded back to the non-skin facing surface side of the underwear during use.
  • the inner edge 12E of the side seat 12 is folded back along the front-rear direction L in the width direction W.
  • An elastic member 91 that expands and contracts in the front-rear direction L is disposed between the folded side sheets 12.
  • the inner edge 12 ⁇ / b> E of the side sheet 12 is not joined to the top sheet 11.
  • the inner edge 12E of the side seat 12 and the stretchable member 91 constitute an upright leakproof cuff.
  • the stretchable member 91 is disposed across a first music part 41 and a second music part 42 described later in the front-rear direction L.
  • the front end edge 91 ⁇ / b> F of the stretchable member 91 is positioned forward of the first curved portion 41, and the rear end edge 91 ⁇ / b> R of the stretchable member 91 is positioned rearward of the second curved portion 42.
  • the non-skin facing surface of the non-skin sheet 20 is provided with an adhesive region 60 to which an adhesive for stopping the absorbent article on the underwear S is applied.
  • the adhesive region 60 includes a first main body adhesive region 61 and a second main body adhesive region 62 disposed in the main body 2, a wing adhesive region 63 disposed in the wing 3, and a hip flap adhesive region disposed in the hip flap 4. 64.
  • the first main body adhesive region 61 is spaced apart from the second main body adhesive region 62 in the front-rear direction, and is disposed in front of the second main body adhesive region 62.
  • the adhesive region 60 is covered with a release sheet 65 in a state before use.
  • the release sheet 65 prevents the adhesive from deteriorating before use.
  • the release sheet 65 is peeled off by the wearer during use.
  • the absorbent article 1 is provided with a first music part 41 and a second music part 42.
  • the first music part 41 and the second music part 42 are located on the rear side of the center 3LC in the front-rear direction of the wing 3 and on the front side of the rear end edge of the absorbent core 31.
  • the first curved portion 41 and the second curved portion 42 extend in the width direction W, and are configured so that the absorbent article 1 can be bent in the thickness direction T.
  • the rear end edge of the absorbent core and the rear end edge of the absorbent body substantially coincide.
  • the absorbent article 1 includes a first region R1 adjacent to the first music portion 41 in front of the first music portion 41, a second region R2 adjacent to the second music portion 42 in the rear of the second music portion 42, and And an intermediate region R3 located between the first music part 41 and the second music part 42 in the front-rear direction L.
  • the first region R ⁇ b> 1 is a region from the front end edge 30 ⁇ / b> F of the absorber 30 to the first curved portion 41.
  • the second region R2 is a region from the rear edge 30R of the absorber 30 to the second curved portion 42.
  • the intermediate region R3 is a region between the first music part 41 and the second music part 42.
  • the basis weight of the absorbent material in the intermediate region R3 is lower than the basis weight of the absorbent material in the first region R1, and lower than the basis weight of the absorbent material in the second region R2.
  • the intermediate region R3 may be a region where the basis weight of the absorbent material is lower than that of the first region R1 or the like, and may be a region where the basis weight is 0, or the design basis weight is 0.
  • positioned may be sufficient.
  • the 1st music part 41 becomes a boundary from which rigidity changes.
  • the rigidity of the area on the front side of the first music part 41 is different from the rigidity of the area on the rear side of the first music part 41. More specifically, the basis weight of the absorbent material in the region on the front side of the first curved portion 41 is higher than the basis weight of the absorbent material in the region on the rear side of the first curved portion 41. Therefore, the rigidity on the front side of the first music part 41 is higher than the rigidity on the rear side of the first music part 41.
  • the second music part 42 is located behind the first music part 41.
  • the 2nd music part 42 is a boundary from which rigidity changes.
  • the rigidity of the area on the front side of the second curved part 42 is different from the rigidity of the area on the rear side of the second curved part 42. More specifically, the basis weight of the absorbent material in the region on the front side of the second curved portion 42 is lower than the basis weight of the absorbent material in the region on the rear side of the second curved portion 42. Therefore, the rigidity on the front side of the second music part 42 is lower than the rigidity on the rear side of the second music part 42.
  • the length in the front-rear direction L of the intermediate region R3 is longer than the thickness of the absorber 30 in the portion adjacent to the first curved portion 41 in the first region R1.
  • the length in the front-rear direction of the intermediate region R3 is larger than the thickness of the absorber 30 in the portion adjacent to the first curved portion 41.
  • What is necessary is just to be comprised long, and it may be comprised shorter than the thickness of the other part (for example, center part of the front-back direction) of 1st area
  • the length in the front-rear direction of the intermediate region R3 is preferably 10 mm or more and 50 mm or less.
  • the length in the front-rear direction at the center in the width direction of the intermediate region R3 may be 10 mm or more and 50 mm or less. More preferably, the length of the intermediate region R3 in the front-rear direction is 10 mm or more and 30 mm or less.
  • the distance L1 between the center 41WC in the width direction of the first curved portion 41 and the center 3LC in the front-rear direction of the wing is preferably 25 mm or more. Moreover, it is desirable that the distance L1 between the center 41WC in the width direction of the first curved portion 41 and the center in the front-rear direction of the wing is 80 mm or less. In addition, in the structure in which the 1st music part 41 has predetermined length in the front-back direction, the distance of the center of the width direction of the front edge of the 1st music part 41 and the center of the front-back direction of a wing is 25 mm or more and 80 mm or less If it is.
  • the first music part 41 and the second music part 42 are curved in a convex shape toward the rear in plan view. More specifically, the center in the width direction of the first music part 41 is located behind the outer edge of the first music part 41. The center of the first music portion 41 in the width direction is a convex shape toward the rear. The center in the width direction of the second music part 42 is located behind the outer edge of the second music part 42. The center in the width direction of the second curved portion 42 is a convex shape toward the rear. In addition, the distance in the front-back direction of 42 of the 1st music part 41 and the 2nd music part may be constant, and may be changing.
  • the first music part 41, the second music part 42, and the intermediate area R3 do not overlap the adhesive area 60 in the thickness direction T.
  • the first main body adhesive region 61 is disposed in the first region R1
  • the second main body adhesive region 62 is disposed in the second region R2.
  • the rear end edge 61 ⁇ / b> R of the first main body adhesive region 61 is positioned forward of the first curved portion 41
  • the front end edge 62 ⁇ / b> F of the second main body adhesive region 62 is positioned rearward of the second curved portion 42.
  • the outer edge 41E of the first music part 41 and the outer edge 42E of the second music part 42 are located on the outer edge of the absorbent core 31. That is, the 1st music part 41 and the 2nd music part 42 are formed over the width direction whole region of an absorption core.
  • the absorbent core 31 is divided in the front-rear direction L by the first music part 41 and the second music part 42.
  • the outer edge of the absorbent core 31 and the outer edge of the absorbent body 30 substantially coincide. Therefore, in the drawing, the outer edge 41E of the first curved portion 41 and the outer edge 42E of the second curved portion 42 are shown to coincide with the outer edge 30E of the absorbent body 30.
  • the absorber 30 has a middle-high portion 33 located on the inner side in the width direction than the outer edge 30E of the absorber 30.
  • the middle-high portion 33 is located in the first region R1 and is located on the inner side in the width direction than the outer edge 30E of the absorber 30 in the first region R1.
  • the middle and high portions 33 are indicated by hatching.
  • the thickness of the middle-high portion 33 is thicker than the thickness of the outer edge 30E of the absorber 30 in the first region R1.
  • the basis weight of the absorbent material of the middle-high portion 33 is higher than the basis weight of the absorbent material of the outer edge 30E of the absorber 30 in the first region R1.
  • the middle-high portion 33 is located on the rear side in the first region R ⁇ b> 1 and is adjacent to the first curved portion 41.
  • the middle and high portions of the absorber have two absorption layers, and the portions other than the middle and high portions of the absorber have only one absorption layer. May be. Further, as a modification, a configuration in which the middle and high parts of the absorber have an auxiliary sheet that draws body fluid, and other than the middle and high parts of the absorber may have no auxiliary sheet.
  • the rear surface 33RS of the middle-high portion 33 extending in the thickness direction T from the rear end edge 33R of the middle-high portion 33, the non-skin facing surface of the middle-high portion 33, Is greater than the angle ⁇ formed by the front surface 33FS of the middle-high portion 33 extending in the thickness direction T from the front edge 33F of the middle-high portion 33 and the non-skin facing surface of the middle-high portion 33.
  • the angle ⁇ is an angle formed by the rear surface 33RS of the middle-high portion 33 and the non-skin facing surface of the middle-high portion 33 extending forward from the rear end edge 33R of the middle-high portion 33.
  • the angle ⁇ is an angle formed by the front surface 33FS of the middle-high portion 33 and the non-skin facing surface of the middle-high portion 33 extending rearward from the front end edge 33F of the middle-high portion 33.
  • the measurement position is the central part in the product width direction of the absorber.
  • it is measured not in a state where the absorbent article is contracted but in a state where the elastic member of the absorbent article is extended.
  • parts other than an absorber such as a skin surface sheet other than an absorber, and a non-skin surface sheet, are removed.
  • a dial gauge PEACOCK manufactured by Ozaki Mfg. Co., Ltd. is used, a measuring element having a diameter of 10 mm is used, a specimen having a size of 30 mm ⁇ 30 mm is prepared, and the thickness of the specimen is measured.
  • a measuring device adjusts so that the measurement pressure with respect to a test piece may be 3 g / cm ⁇ 2 >.
  • the above-described measurement was performed in each state, and the average value was defined as the length.
  • weight and density of the absorber in this specification is measured by the following measurement method.
  • the packaging body In the absorbent article packaged by the packaging body, the packaging body is opened, the folded absorbent article is developed, and the thickness and area of the portion where the basis weight and density are measured are measured. Subsequently, the part which measures a fabric weight and a density is cut out from an absorbent article, and the weight of the cut-out part is measured. Next, parts other than the absorber, such as the top sheet and the back sheet, are removed from the cut out part, and the weight of the absorber is measured. The basis weight is calculated based on the weight of the absorbent body and the area of the portion where the basis weight and density are measured. The density is calculated based on the basis weight and thickness.
  • the “length” in this specification is measured by the following measurement method.
  • the length of this state of the measurement target part is measured along the measurement target part.
  • the above-described measurement was performed in each state, and the average value was defined as the length.
  • the measurement of “the angle of the middle and high parts of the absorber” in this specification is performed by the following measurement method.
  • the package In the absorbent article packaged by the package, the package is opened, the folded absorbent article is unfolded, a photograph is taken from the side of the absorbent article, and the angles ⁇ and ⁇ shown in FIG. Measure with a protractor.
  • FIG. 4 is a cross-sectional view based on the AA cross section of FIG. 1 in a state where the absorbent article 1 is attached to the wearer.
  • FIG. 4A shows a state where a wearer wearing the absorbent article 1 stands.
  • the first region R1 of the absorbent article 1 is fastened to the crotch portion of the underwear (the portion facing the crotch region of the wearer) via the first main body adhesive region 61.
  • region R2 of the absorbent article 1 is fastened by the back part (part facing a wearer's buttocks) via the 2nd main body adhesion area
  • FIG. 4B shows a state in which the cross-sectional view shown in FIG. 4A is rotated 90 degrees, and shows a state where the wearer lies on his back. Although the wearer's body is lying on his / her back, the wearer's body is pressed by the bedding, but in FIG. 4B, for convenience of explanation, the wearer's body is not pressed by the bedding. .
  • FIG. 4B illustrates a line LB indicating the bedding. A region where the body overlaps with the line LB of the bedding is a region where the body is pressed by the bedding and is deformed while the body is sleeping.
  • FIG. 4 (c) shows a state where the body of the wearer who lies on his back is pressed and deformed by the bedding.
  • the region overlapping the body and bedding line in FIG. 4B is deformed. More specifically, the bulge of the wearer's buttocks is crushed, and a part of the wearer's buttocks is flat. The collapsed portion of the buttocks moves to the crotch side and swells from the base of the leg to the leg tip side.
  • the 2nd music part 42 is arrange
  • the center 3LC in the front-rear direction of the wing is a position facing the excretion opening of the wearer.
  • a first music part 41 and a second music part 42 are provided behind the wing 3.
  • a deformation starting point of the first music part 41 and a deformation starting point of the second music part 42 are formed at a position corresponding to the buttocks behind the excretion opening of the wearer. Therefore, the absorbent article 1 is flexibly deformed along with the deformation of the buttocks when the swelling of the buttocks is crushed.
  • an intermediate region R3 having a relatively low basis weight of the absorbent material is provided between the first music part 41 and the second music part 42.
  • the intermediate region R3 is easily deformed flexibly because the basis weight of the absorbent material is low.
  • the deformation of the buttock is absorbed by the intermediate region R3, and the wearer can easily continue to apply the first region R1 and the second region R2.
  • the first region R1 and the second region R2 are divided by the intermediate region R3, and the propagation of force from the first region R1 to the second region R2 is suppressed.
  • the length of the intermediate region R3 in the front-rear direction L is longer than the thickness of the absorber 30 in the portion adjacent to the first curved portion 41 in the first region R1.
  • the deformation of the buttocks is absorbed by the intermediate region R3, and a step that absorbs the deformation of the buttocks is formed behind the first region R1.
  • the front side can be arranged to face the wearer's excretion opening with respect to the middle region R3, and the rear side can be arranged to face the wearer's buttocks with respect to the middle region R3. Therefore, the gap between the absorbent article and the body can be reduced, and rear leakage can be suppressed.
  • the length in the front-rear direction L of the intermediate region R3 is 10 mm or more.
  • the length of the middle region in the front-rear direction is less than 10 mm, the portion where the bulge of the heel portion is crushed may not be sufficiently absorbed.
  • the length of the intermediate region R3 in the front-rear direction is 10 mm or more, the deformation of the collar portion can be effectively absorbed.
  • the length of the intermediate region R3 in the front-rear direction L is 50 mm or less.
  • the length in the front-rear direction L of the intermediate region R3 is 50 mm or less, the body fluid that has flowed to the buttocks side can be absorbed by the second region R2 while absorbing deformation of the body by the intermediate region R3. Therefore, menstrual blood can be prevented from flowing to the buttocks side.
  • the length of the intermediate region R3 in the front-rear direction L is longer than 50 mm, the user feels anxiety that menstrual blood flows to the buttocks side, making it difficult to obtain a sense of security at the time of wearing.
  • the length of the intermediate region R3 in the front-rear direction L is 10 mm or more and 50 mm or less.
  • the intermediate region R3 can absorb body deformation by the intermediate region R3.
  • the intermediate region R3 absorbs the deformation of the buttocks and makes it easier to continue to apply the first region R1 and the second region R2 to the wearer. Further, the first region R1 and the second region R2 are divided by the intermediate region R3, and the propagation of force from the first region R1 to the second region R2 is suppressed.
  • the front side can be arranged to face the wearer's excretion opening with respect to the middle region R3, and the rear side can be arranged to face the wearer's buttocks with respect to the middle region R3. Therefore, the gap between the absorbent article and the body can be reduced, and rear leakage can be suppressed.
  • the distance L1 between the center 41WC in the width direction W of the first curved portion 41 and the center 3LC in the front-rear direction L of the wing 3 is 25 mm or more and 80 mm or less.
  • the deformation start point on the crotch side in the buttocks is often located more than 25 mm behind the center of the wing 3 in the front-rear direction L. Therefore, when the distance L1 between the center 41WC in the width direction W of the first curved portion 41 and the center 3LC in the front-rear direction L of the wing 3 is 25 mm or more, the first curved portion 41 and the intermediate portion are used as the deformation starting point on the crotch side of the buttocks.
  • Region R3 is located.
  • the distance L1 between the center 41WC in the width direction W of the first curved portion 41 and the center 3LC in the front-rear direction L of the wing 3 exceeds 80 mm, the buttocks swell the most and the body pressure of the buttocks is most affected by the first pressure.
  • the curved portion 41 and the intermediate region are located, and there is a possibility that a sense of incongruity may occur.
  • the first music part 41 and the second music part 42 are curved in a convex shape toward the rear in plan view.
  • the part curved in a convex shape toward the rear bulges in a convex shape toward the rear together with the underwear when lying on its back, and is pushed out in a direction away from the body.
  • the first music part 41, the second music part 42, and the intermediate region R3 can absorb the deformation on the back.
  • the first region R1 and the second region R2 are maintained in a shape that follows the roundness of the body, and the entire absorbent article is disposed along the roundness of the body.
  • the adhesive region 60 does not overlap the first curved portion 41, the second curved portion 42, and the intermediate region R3 in the thickness direction T.
  • the part stopped by the underwear of the absorbent article 1 (the part provided with the adhesive region) is easily deformed following the underwear.
  • the absorbent article follows the underwear. Is deformed.
  • the absorbent article may follow the underwear and become unintended deformation, and a gap may be formed between the wearer and the absorbent article.
  • the 1st music part 41, the 2nd music part 42, and middle field R3 are not stopped by underwear, they can change freely. Therefore, even when the first region R1 and the second region R2 are deformed together with the underwear, the force transmitted from the underwear is divided by the intermediate region R3, and the deformation of the wearer's body can be absorbed by the intermediate region R3.
  • the middle-high part 33 is adjacent to the first music part 41 in the first region R1.
  • the thickness of the middle / high portion 33 is thicker than the thickness of the region other than the middle / high portion of the absorber 30.
  • the angle ⁇ formed by the rear surface 33RS of the mid-high portion 33 and the non-skin facing surface of the mid-high portion 33 is larger than the angle ⁇ formed by the front surface 33FS of the mid-high portion 33 and the non-skin facing surface of the mid-high portion 33.
  • the absorber is non-skin facing surface than when the angle between the side surface of the absorber and the non-skin facing surface of the absorber is small Easy to bend from the starting point.
  • the angle of the front surface of the middle-high portion 33 when the angle of the front surface of the middle-high portion 33 is large, a folding start point is formed on the front surface of the middle-high portion 33, and the fit of the front surface of the middle-high portion 33 may be reduced.
  • the angle formed by the front surface of the mid-high portion 33 and the non-skin facing surface is relatively small, the front surface of the mid-high portion 33 is not easily broken, and the fit of the front surface of the mid-high portion 33 can be maintained.
  • the angle formed between the rear surface of the mid-high portion 33 and the non-skin facing surface is relatively large, a folding start point is easily formed on the rear surface of the mid-high portion 33.
  • the stretchable member 91 is disposed across the first music part 41 and the second music part 42 in the front-rear direction L. Therefore, the first region R1 on the front side of the first curved portion 41 and the second region R2 on the rear side of the second curved portion 42 can be brought close by the contraction of the elastic member 91. Therefore, even if a wrinkle occurs in the intermediate region R3 due to the deformation of the first music part 41 or the like, the wrinkle can be brought close.
  • the outer edge 41E of the first music part 41 and the outer edge 42E of the second music part 42 are located on the outer edge of the absorbent core 31. Therefore, the entire width direction of the absorbent core 31 is easily deformed starting from the first curved portion 41 and the second curved portion 42. Moreover, since 1st area
  • the 1A of absorbent articles which concern on a modification have the pressing part 80 which compressed at least 30 to the thickness direction.
  • the surface sheet 11 and the absorber 30 are compressed in the thickness direction.
  • the pressing part 80 has the 1st pressing part 81 arrange
  • the first pressing part 81 has a pair of first front and rear pressing parts 81L extending in the front-rear direction, and a first width pressing part 81W that is positioned in front of the first front and rear pressing parts 81L and extends in the width direction.
  • 81 L of 1st front-back pressing parts are located in the outer side of the width direction rather than the center of the width direction of 1st area
  • 81 L of 1st front-back pressing parts may be formed so that it may incline with respect to the straight line along the front-back direction L, and is formed of the straight line along the front-back direction L, and the 1st front-back pressing part 81L.
  • the angle (acute angle side) is 45 degrees or less.
  • the first width pressing part 81W may be formed so as to be inclined with respect to a straight line along the width direction W, and an angle formed by the straight line along the width direction W and the first width pressing part 81W. (Acute angle side) is less than 45 degrees.
  • the middle-high part 33 is surrounded by the first width pressing part 81W, the pair of first front and rear pressing parts 81L, and the first music part 41.
  • the pair of first front-rear pressing parts 81 ⁇ / b> L are arranged along the outer edge of the middle-high part 33. Since the pressing part 80 surrounds the middle-high part 33, it becomes easy to maintain the swelling of the middle-high part 33, and the middle-high part 33 fits with a wearer's excretion opening
  • the first music part 41 and the second music part 42 have a linear shape along the width direction. Moreover, the outer edge 41E of the 1st music part 41 and the outer edge 42E of the 2nd music part 42 are located in the outer side of the width direction rather than the 1st front-back pressing part 81L.
  • the position in the width direction of the first front / rear pressing part 81L changes as in the modification shown in FIG. 5
  • at least the rear end edge of the first front / rear pressing part 81L suffices to be located on the outer side in the width direction than the first front-rear pressing portion 81L.
  • the first region R1 in front of the first music part 41 and the second region R2 in the rear of the second music part 42 are surely divided. .
  • the first region R1 and the first music part 41 are sandwiched between the legs of the wearer, enter into the width, and rise to the skin facing surface side. Therefore, it fits the body.
  • the 2nd music part 42 and 2nd field R2 maintain a flat shape, and make good fit nature and the good feeling of attachment.
  • the wrinkles are generated near the deformation starting point (mainly the first curved portion 41) in conjunction with the front side movement of the first region and the like. As a result, it becomes difficult to obtain the effect of dividing the first region and the second region.
  • the outer edge 41 ⁇ / b> E of the first music part 41 and the outer edge 42 ⁇ / b> E of the second music part 42 are located on the outer side in the width direction with respect to the pressing part 80, The deformation starting point by the first music part 41 and the second music part 42 can be formed in the area to reach. Therefore, the entire region in the width direction of the middle and high portions can be easily deformed, and the effect of dividing the first region and the second region can be obtained.
  • the absorbent core 31 is disposed outside the first curved portion 41 in the width direction, outside the intermediate region R3 in the width direction, and outside the second curved portion 42 in the width direction. Therefore, the absorbent core according to the modification is not divided in the front-rear direction by the first music part 41 and the second music part 42. For example, when the absorbent core is divided in the front-rear direction by the first music part 41 and the second music part 42, the first music part 41 and the second music part 42 are deformed from the starting point in the state before mounting, and unintended wrinkles occur. May occur.
  • the absorbent core is not divided in the front-rear direction by the first music part 41 and the second music part 42, the first music part 41 and the second music part 42 are prevented from being deformed from the starting point in the state before being mounted, Unintentional wrinkle generation can be suppressed.
  • the absorbent article of the present embodiment is a sanitary napkin for night use, but may be a sanitary napkin for day use as another embodiment. Further, the sanitary napkin may not include a hip flap.
  • Table 1 shows a comparative evaluation result of the length of the intermediate region.
  • the absorbent articles of Examples 1 to 4 and the absorbent articles of Comparative Examples 1 to 3 were compared to evaluate the feeling of anxiety about the maintenance of fit and the absorbability by appearance.
  • the absorbent articles of Examples 1 to 4 and the absorbent articles of Comparative Examples 1 to 3 have different lengths in the front-rear direction of the intermediate region R3, but the other configurations are the same.
  • the test for comparative evaluation was conducted by 20 women using napkins. In the evaluation test, the practitioner was asked to visually recognize and use the target sample and asked the following questions.
  • QUESTION 1 “Is it possible to maintain the fit compared to the napkin that I usually use?”
  • QUESTION 2 “Is there a less anxiety about the absorbency of the appearance compared to the napkin that I usually use? A sample in which the ratio of the number of persons who answered that the answer to the question 2 was “little anxiety” or “no anxiety” was 65% or more was good, and the evaluation was good. In addition, a sample in which the ratio of the number of people who answered “little anxiety” or “no anxiety” to Question 1 was evaluated as “x” because the sensory evaluation was not good.
  • the length in the front-rear direction of the intermediate region is 10 to 50 mm, and both the maintenance evaluation of the fit and the evaluation of anxiety with respect to the absorptivity are good. I was able to get it. From the result, it was found that the length of the intermediate region in the front-rear direction is preferably 10 mm or more and 50 mm or less. More specifically, it has been found that when the length of the intermediate region in the front-rear direction is 10 mm or more, good results are obtained with respect to fit. In addition, it was found that when the length of the intermediate region is 50 mm or less, anxiety about absorbability can be suppressed.
  • the amount of protrusion of the crushed part of the buttocks of the wearer who slept on his back to the crotch side was measured.
  • the amount of protrusion is the crotch end (P1 in FIG. 4 (c)) of the collapsed portion of the buttocks of the wearer lying on his back and the leg end of the buttocks (FIG. 4 (c)). ) P2).
  • the amount of protrusion of five testers was measured. The measurement results are shown in Table 2.
  • the protruding amount of the buttocks was 10 mm to 30 mm. Therefore, when the length of the middle region in the front-rear direction is 10 mm or more, it is possible to cover the bulge from the crotch-side end of the crushed portion of the wearer's buttocks to the protruding leg-side end of the buttocks. I understood.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
PCT/JP2015/070628 2014-10-01 2015-07-17 吸収性物品 WO2016051932A1 (ja)

Priority Applications (4)

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CN201580052526.7A CN106794080B (zh) 2014-10-01 2015-07-17 吸收性物品
MYPI2017701077A MY183158A (en) 2014-10-01 2015-07-17 Absorbent article
KR1020177011663A KR102508042B1 (ko) 2014-10-01 2015-07-17 흡수성 물품
PH12017500574A PH12017500574A1 (en) 2014-10-01 2017-03-28 Absorbent article

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JP2014203190A JP5859621B1 (ja) 2014-10-01 2014-10-01 吸収性物品
JP2014-203190 2014-10-01

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CN107847365A (zh) * 2016-05-20 2018-03-27 花王株式会社 吸收性物品

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JP6190861B2 (ja) * 2015-11-09 2017-08-30 ユニ・チャーム株式会社 吸収性物品
JP6181797B1 (ja) * 2016-03-30 2017-08-16 ユニ・チャーム株式会社 吸収性物品
JP6306656B2 (ja) * 2016-09-28 2018-04-04 花王株式会社 吸収性物品

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JP2000189456A (ja) * 1998-12-25 2000-07-11 Kao Corp 吸収性物品
JP2006239162A (ja) * 2005-03-03 2006-09-14 Kao Corp 吸収性物品
JP2010115368A (ja) * 2008-11-13 2010-05-27 Kao Corp 吸収性物品の個包装体
JP2010136917A (ja) * 2008-12-12 2010-06-24 Kao Corp 吸収性物品
JP2011250888A (ja) * 2010-05-31 2011-12-15 Unicharm Corp 吸収性物品
JP2012081246A (ja) * 2010-09-16 2012-04-26 Unicharm Corp 体液吸収性物品

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US5613961A (en) * 1994-12-30 1997-03-25 Kimberly-Clark Corporation Thin, curved absorbent article having elasticized edges
JP5319262B2 (ja) 2008-12-11 2013-10-16 花王株式会社 吸収性物品及びその製造方法

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JP2000189456A (ja) * 1998-12-25 2000-07-11 Kao Corp 吸収性物品
JP2006239162A (ja) * 2005-03-03 2006-09-14 Kao Corp 吸収性物品
JP2010115368A (ja) * 2008-11-13 2010-05-27 Kao Corp 吸収性物品の個包装体
JP2010136917A (ja) * 2008-12-12 2010-06-24 Kao Corp 吸収性物品
JP2011250888A (ja) * 2010-05-31 2011-12-15 Unicharm Corp 吸収性物品
JP2012081246A (ja) * 2010-09-16 2012-04-26 Unicharm Corp 体液吸収性物品

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PH12017500574A1 (en) 2017-08-30
AR102709A1 (es) 2017-03-22
KR102508042B1 (ko) 2023-03-08
CN106794080A (zh) 2017-05-31
KR20170066509A (ko) 2017-06-14
TW201620471A (zh) 2016-06-16
CN106794080B (zh) 2020-07-14
MY183158A (en) 2021-02-16
TWI649070B (zh) 2019-02-01
JP5859621B1 (ja) 2016-02-10

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