WO2015141063A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2015141063A1
WO2015141063A1 PCT/JP2014/080795 JP2014080795W WO2015141063A1 WO 2015141063 A1 WO2015141063 A1 WO 2015141063A1 JP 2014080795 W JP2014080795 W JP 2014080795W WO 2015141063 A1 WO2015141063 A1 WO 2015141063A1
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WO
WIPO (PCT)
Prior art keywords
absorbent article
sheet member
longitudinal direction
sheet
absorbent
Prior art date
Application number
PCT/JP2014/080795
Other languages
English (en)
Japanese (ja)
Inventor
綾子 守屋
温樹 戸田
貴仁 永井
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
Publication of WO2015141063A1 publication Critical patent/WO2015141063A1/fr

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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
    • 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
    • A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
    • 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
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means

Definitions

  • the present invention relates to absorbent articles such as diapers and urine pads.
  • Patent Document 1 discloses an absorption in which an inner sheet member disposed on the skin surface side of an absorbent core is constituted by three or more sheet materials extending in the vertical direction. A sex product is disclosed.
  • an edge portion on the inner side in the lateral direction of the sheet material located on the outer side in the lateral direction is the outer side in the lateral direction of the adjacent sheet material located on the inner side in the lateral direction. It is configured to be superimposed on the edge on the side from the skin surface side.
  • the inner sheet member is composed of three or more sheet materials, thereby forming two or more steps extending in the vertical direction by the edge of each sheet material, and urinating It promotes the spread of the collected urine in the vertical direction.
  • Patent Document 2 discloses an absorptivity provided with a pair of left and right protrusions formed by protruding a part of the surface sheet between a pair of left and right gather sheets provided at both ends in the width direction of the surface sheet.
  • An article is disclosed.
  • the top sheet is made of a single sheet material that is continuous from one end to the other end in the width direction of the absorbent article, and the protruding portion partially folds the single sheet material. It is formed by.
  • the pair of left and right protrusions are formed on a top sheet to weaken the outflow force of discharged body fluid and diffuse the body fluid in the length direction. It is.
  • each sheet material is a hot melt adhesive (HMA) in the overlapping portion of the sheet materials.
  • HMA hot melt adhesive
  • it is joined by whole surface coating.
  • the HMA at the joined portion prevents the body fluid from being sucked. Therefore, the body fluid may be difficult to inhale.
  • the protrusion part is single. Since the surface sheet made of a sheet material is partially folded, the body fluid is sucked into the inside of the protruding portion and oozes out from the lower side of the protruding portion in the width direction of the absorbent article. The body fluid may not be easily diffused in the length direction of the absorbent article.
  • the body fluid may be exposed to the skin outside the protrusion due to pressure load or the like. There is a risk of spilling to the surface side (ie, going back).
  • the present invention relates to an absorbent article, it is possible to satisfactorily diffuse body fluid such as discharged urine in the longitudinal direction on the surface sheet, and to suck in the body fluid diffused in the longitudinal direction, Furthermore, an object of the present invention is to provide an absorbent article in which the bodily fluids are not reversed.
  • the present invention is an absorbent article comprising a liquid-permeable surface member disposed on the skin surface side and an absorbent body disposed on the clothing side of the surface member, and having a longitudinal direction and a width direction,
  • the surface member is disposed on the longitudinal axis of the absorbent article and extends in the longitudinal direction, and is disposed on both sides of the longitudinal direction of the central sheet member, and the longitudinal direction of the absorbent article
  • a pair of side sheet members extending in the longitudinal direction, wherein the surface member includes an overlapping portion formed by overlapping the pair of side sheet members from the skin surface side to the center sheet member, and the longitudinal direction
  • Each of the pair of first overlapping portions joins the central sheet member and the side sheet member and extends in the longitudinal direction, and the first overlapping portion extends in the longitudinal direction.
  • an absorbent article Along one joint and Projecting serial longitudinal axis direction, and a first free edge of the side sheet member, an absorbent article.
  • the first free edge portion of the side sheet member can stand up even in a state in which the absorbent article is unfolded to form a standing portion, but the absorbent article is bent inward in the longitudinal direction.
  • the discharged body fluid can be diffused well in the longitudinal direction on the surface sheet, and the suction of the body fluid diffused in the longitudinal direction is good Furthermore, the return of the body fluid is reduced.
  • FIG. 2 is a cross-sectional view taken along the line XX ′ of the absorbent article in FIG. It is a fragmentary perspective view near the 1st overlap part of an absorptive article according to one embodiment of the present invention. It is a fragmentary sectional view along the width direction near the 1st overlap part of an absorptive article according to one embodiment of the present invention. It is a schematic diagram showing the effect
  • FIG. 1 is a plan view (development plan view) in a state where an absorbent article 1 according to an embodiment of the present invention is developed
  • FIG. 2 is a cross-sectional view taken along line XX ′ of FIG.
  • the absorbent article 1 has a shape that is long in the longitudinal direction L in a plan view in a deployed state, and each region of the ventral region 11, the crotch region 12, and the dorsal region 13 along the longitudinal direction L.
  • the abdominal region 11 and the dorsal region 13 are regions corresponding to a wearer's waist front part (abdomen) and a waist back part (buttock), respectively
  • the crotch region 12 is the ventral region. 11 and the back region 13, and corresponds to the wearer's crotch portion.
  • the absorbent article 1 includes a belt-like central region 14 that includes the longitudinal axis C of the absorbent article 1 and extends over the entire length in the longitudinal direction L of the absorbent article 1 in a developed plan view.
  • the property article 1 has side regions 15 and 16 that are located on both sides of the central region 14 in the width direction W and are remaining regions other than the central region 14.
  • the width direction W of the absorbent article 1 means a direction orthogonal to the longitudinal direction L of the absorbent article 1 in a plan view in a state where the absorbent article 1 is developed.
  • the central region 14 is a region where body fluid such as discharged urine can be diffused, and the length in the width direction W (that is, the width of the central region 14) is the type of the person to whom the absorbent article 1 is applied, although it selects suitably according to size etc., generally it has the length of 1/3 or more of the full length of the width direction W of the absorbent article 1.
  • the outer shape of the absorbent article 1 is not particularly limited as long as it is a shape that is long in one direction in a plan view in an unfolded state.
  • a rectangular shape such as a rectangle, an ellipse, etc. It may be a shape other than a bowl shape such as a shape or an oval shape.
  • the absorbent article 1 has a laminated structure including a front surface member 2, an absorbent body 3, a back surface member 4, and a gather forming member 5.
  • the surface member 2 is a liquid-permeable sheet member that is disposed on the skin surface side in the thickness direction of the absorbent article 1 and can directly contact the wearer's skin surface.
  • the surface member 2 is disposed on the longitudinal axis C of the absorbent article 1 and is formed long in the longitudinal direction L, and the center sheet member 21 in the longitudinal direction L of the central sheet member 21. It is provided with a pair of side sheet members 22 and 23 that are respectively arranged on both sides and are formed long in the longitudinal direction L.
  • the central sheet member 21 is not particularly limited as long as it is a liquid-permeable sheet member, and an arbitrary sheet member can be used.
  • Examples of the central sheet member of the present invention include non-woven fabrics and woven fabrics, but it is preferable to use non-woven fabrics from the viewpoints of cushioning properties, touch and versatility.
  • the nonwoven fabric may be any nonwoven fabric well known in the art, such as an air-through nonwoven fabric, a spunlace nonwoven fabric, a spunbond nonwoven fabric, a thermal bond nonwoven fabric, a melt blown nonwoven fabric, or a needle punch nonwoven fabric.
  • the basis weight of the central sheet member 21 is not particularly limited, and any basis weight can be adopted.
  • the basis weight of the central sheet member of the present invention is preferably 10 g / m 2 to 100 g / m 2 , more preferably 20 g / m 2 to 50 g / m 2 . If this basis weight is less than 10 g / m 2 , the surface strength may not be sufficiently obtained and may be broken during use. If the basis weight exceeds 100 g / m 2 , excessive stiffness may occur, which may be undesirable for the wearer. There is a risk of causing pleasure and discomfort.
  • the structure of the central sheet member 21 is not particularly limited as long as it is a sheet shape, and a structure having an arbitrary thickness and an arbitrary surface structure can be adopted.
  • the thickness of the central sheet member of the present invention is, for example, in the range of 0.001 mm to 5.0 mm, preferably 0.01 mm to 3.0 mm, from the viewpoint of appropriate liquid permeability, cushioning properties, and touch. More preferably, it is 0.1 mm to 1.0 mm.
  • the central sheet member of the present invention preferably has a structure in which a plurality of convex portions are formed on at least the skin side surface.
  • the convex portion is crushed at the joint portion of the central sheet member by the joining pressure.
  • the convex portion is bulky, so that the free edge extending in the longitudinal direction of the side sheet member is likely to stand up.
  • the convex portion is not particularly limited as long as such an effect is exerted, and an arbitrary structure can be adopted. For example, a flange portion (ridge portion) extending in the longitudinal direction.
  • the structure of the part other than the convex part is not particularly limited, and may be a groove part or a flat part.
  • the convex part is formed as a plurality of flange parts extending in the longitudinal direction. And a portion having a groove structure in which portions other than the convex portions are formed as a plurality of groove portions extending in the longitudinal direction.
  • the side sheet members 22 and 23 are not particularly limited as long as they are liquid permeable sheet members, and the same sheet members as the central sheet member 21 can be used.
  • a sheet member preferable as the side sheet member of the present invention is, for example, a nonwoven fabric having a basis weight of 10 g / m 2 to 30 g / m 2 .
  • the edge of the side sheet member on the longitudinal axis side in the width direction W becomes a free edge, and the free edge rises to form an upright part, so the longitudinal direction of the discharged body fluid It is necessary to select the basis weight, thickness, structure, material, etc. in consideration of the diffusibility to L and the feel of the wearer.
  • the central sheet member 21 disposed in the central region 14 of the absorbent article 1 has higher liquid permeability than the side sheet members 22 and 23.
  • the liquid permeability of the central sheet member is higher than that of the side sheet member, the body fluid damming effect in the standing portion formed by the first free edge described later is increased. Absorption of body fluid in the absorbent body arranged in the central region on the clothing side can be promoted, and side leakage of the body fluid can be more effectively prevented.
  • absorbent cores 31 and 32 are not particularly limited as long as they have a function of absorbing and retaining bodily fluids such as discharged urine, and any absorbent element conventionally used in diapers or the like can be used. Can be used.
  • the absorbent core is preferably bulky, less likely to lose its shape, and less chemically irritating in consideration of water absorption and comfort during wearing.
  • an absorbent core element containing a fiber material such as fluff pulp, spunbond nonwoven fabric, airlaid nonwoven fabric, thermoplastic fiber, and a polymer absorbent such as superabsorbent polymer (SAP) is used. And those covered with a core wrap made of a liquid-permeable sheet.
  • the structure of the absorbent cores 31 and 32 is not particularly limited, and an arbitrary structure can be adopted.
  • the absorbent core of the present invention may have the same structure or different structures.
  • one of the absorbent cores is disposed in a region corresponding to the central sheet member of the absorbent article in a plan view in a state where the absorbent article is developed.
  • the thickness of the portion corresponding to the central sheet member of the absorber is increased, and the basis weight of the portion is larger than the basis weight of the other portion.
  • the absorbent article can be concentrated on the portion corresponding to the central sheet member. As a result, the amount of body fluid absorbed in the portion corresponding to the central sheet member of the absorbent body is increased, so that lateral leakage of the body fluid is reduced, so that the contaminated area due to the body fluid can be reduced.
  • the back member 4 is a liquid impermeable sheet disposed on the clothes side of the absorbent body 3.
  • the liquid impervious sheet constituting the back member of the present invention is not particularly limited as long as it has liquid impermeability to body fluids such as urine, and conventionally used as a liquid impervious sheet such as a diaper. Any sheet material that is used can be employed.
  • This liquid-impermeable sheet preferably has air permeability in addition to being liquid-impermeable to body fluids such as urine.
  • Examples of such a liquid-impermeable sheet include a liquid-impermeable synthetic resin film such as a polyethylene film having a basis weight of about 15 to about 25 g / m 2 , and a basis weight of about 10 to about 30 g. / M 2 SMS nonwoven fabric, and a laminate sheet of a nonwoven fabric such as a synthetic fiber nonwoven fabric having water repellency and a synthetic resin film having liquid impermeability.
  • the gather forming members 5 are disposed on both sides in the width direction W on the skin surface side of the surface member 2 and are paired with a long length in the longitudinal direction L of the absorbent article 1. 5b, and an elastic body 51 such as rubber thread disposed in a space formed by folding the end portions on the longitudinal axis C side of the gather forming sheets 5a, 5b.
  • the gather forming member is configured such that when the absorbent article is bent inward, the end portion on the longitudinal axis side of the gather forming sheet rises due to the contraction force of the elastic body to form the three-dimensional gather G.
  • this three-dimensional gather G it is possible to more effectively prevent excretion such as excreted urine and feces from leaking out from the absorbent article.
  • the central sheet member 21 has a pair of side sheet members 22, 23 on both sides in the longitudinal direction L of the central sheet member 21. Each side part on the longitudinal axis C side is overlaid from the skin surface side.
  • the first overlapping portion A 1 of each of this central sheet member 21 and each side sheet members 22, 23 are overlapped, on each side of the longitudinal axis C side of the side sheet member 22, 23
  • the first free edge portions 22a and 23a are formed on the end edge side, and are joined to each other at a position away from the end edge of each side portion.
  • the upright portion formed by the first free edge portions 22a and 23a is constituted by one side sheet member 22 and 23 (preferably, the side sheet members 22 and 23 made of nonwoven fabric).
  • the body fluid is prevented from remaining on the standing part, and the body fluid can be prevented from adhering to the skin surface of the wearer. As a result, the wearer's skin can be kept clean.
  • Length W F of the first free edges 22a, 23a the width direction W of the can the first free edge 22a, 23a is not particularly limited as long as performing an operation as described above, and any width .
  • the length W F in the width direction W of the first free edge of the present invention in view of fit of damming effect and the wearer's discharged body fluids, in the range of 1 mm ⁇ 20 mm, preferably 3mm It can be in the range of ⁇ 15 mm, more preferably in the range of 4 mm to 10 mm.
  • the length W F in the width direction W of the first free edge is preferably constant over the entire length in the longitudinal direction L of the absorbent article.
  • the form of length W F and the standing part of the width direction W of the first free edge, the first joint of the forms and the like in the first overlapping portion of the center seat member and the side sheet member can be adjusted.
  • the first joint portion can be linear along the longitudinal direction L in a plan view in a state where the absorbent article is developed.
  • the root of the upright portion formed by the first free edge portion is linear, and thus when the discharged body fluid flows on the skin side surface of the surface member
  • the body fluid can be dammed linearly, the body fluid can be retained at the same position in the width direction W in the longitudinal direction L of the absorbent article, and the lateral leakage of the body fluid can be more effectively suppressed.
  • the linear first joint portion also has an advantage that the body fluid dammed up by the joint portion can be easily diffused in the longitudinal direction L.
  • the first joint portion may be a non-linear shape such as a wave shape or a shape in which a spiral is projected on a plane along the longitudinal direction L in a plan view in a state where the absorbent article is developed.
  • the root of the upright portion formed by the first free edge portion becomes non-linear, so that the discharged body fluid flows on the skin side surface of the surface member. Since the position in the width direction W for damming the body fluid can be varied along the longitudinal direction L of the absorbent article, the body fluid can be suppressed while suppressing the diffusion of the body fluid in the width direction W. Can be efficiently absorbed using a wide range of surfaces of the absorbent body disposed on the clothing side of the surface member. Further, the non-linear first joint portion can easily improve the cushioning property, the touch, and the like because a hook-like portion is easily formed on the standing portion when the first free edge portion stands. There are also advantages.
  • the length W B of the first width direction W of the joining portion B 1 represents, not particularly limited, may be any width.
  • the length W B of the width direction W of the first joint for example, in the range of 1 mm ⁇ 10 mm, is preferably in the range of 1.5 mm ⁇ 6 mm, more preferably in the range of 2 mm ⁇ 4 mm .
  • damming effect and the bonding strength of the discharged body fluids from the point of suction ease etc. of the body fluid, wherein the width direction of the first free edge length W F and the width direction W of the first joint portion ratio of the length W B (W F / W B ) is preferably 5/3 or more.
  • the joining means for forming the first joining portion and the second joining portion to be described later is not particularly limited, and any joining means known in the art can be adopted, for example, hot melt type adhesion Examples thereof include an adhesive such as an adhesive (HMA) and means utilizing thermal fusion such as hot embossing.
  • HMA adhesive
  • thermal fusion such as hot embossing
  • the surface member of the present invention can be manufactured using any conventionally known joining means, for example, the upper surface of each side portion in the longitudinal direction L of the central sheet member, An adhesive such as HMA is applied along the longitudinal direction L at a location away from the edge of the part, and the longitudinal axis C side of the pair of side sheet members is applied on the applied adhesive. It can be manufactured by overlapping and joining the parts. Moreover, since the absorbent article of the present invention can be manufactured by any conventionally known manufacturing process other than the manufacturing process of the surface member, it does not require special manufacturing equipment or complicated manufacturing processes and is easy. Can be manufactured.
  • the second free edges 21a, the length W F in the width direction W of 21b ', the second free edges 21a, 21b is not particularly limited as long as performing an operation as described above, be of any length it can.
  • the length W F ′ of the second free edge in the width direction W and the length of the first bonding portion in the width direction W is preferably 5/3 or more.
  • the surface member 2 is configured by a total of three sheet members, that is, one central sheet member 21 and two side sheet members 22 and 23. It is not limited to such a configuration, and the surface member may be configured by four or more sheet members.
  • FIG. 6 is a cross-sectional view of an absorbent article according to another embodiment of the present invention, in which each side sheet member 22, 23 is constituted by two sheet pieces 221, 222, 231, 232, respectively.
  • each of the side sheet members 22, 23 is configured by arranging four sheet pieces 221, 222, 231, 232 extending in the longitudinal direction L of the absorbent article 1 in the width direction W. May be.
  • the two sheet pieces 221 and 231 positioned on the longitudinal axis C side of the absorbent article 1 are arranged on the longitudinal axis C side.
  • Each side portion located on the side of the longitudinal axis C in the other two sheet pieces 222, 232 adjacent to the side opposite to the side opposite to the longitudinal axis C side is on the skin surface side. It is piled up from.
  • Each of the second sheet pieces 221 and 231 positioned on the longitudinal axis C side overlaps with the other two sheet pieces 222 and 232 adjacent to the side opposite to the longitudinal axis C side.
  • the overlapping portion A 2 is formed such that the third free edge portions 222a and 232a are formed on the edge sides of the respective side portions of the two sheet pieces 222 and 232 adjacent to the side opposite to the longitudinal axis C side. They are joined to each other at locations away from the edges of the respective side portions.
  • each side sheet member of the surface member is constituted by a plurality of sheet pieces, a free edge extending along the longitudinal direction L of the absorbent article is formed on the skin surface side of the surface member in the width direction. Since a plurality of stages can be formed in W, the flow of the discharged body fluid in the width direction W can be more reliably blocked, and the side leakage of the body fluid can be more effectively prevented.
  • two sheet pieces 221 and 231 located on the longitudinal axis C side out of the four sheet pieces 221, 222, 231 and 232 are opposite to the longitudinal axis C side.
  • a fourth free edge 221b on the end edge of each side of the opposite side to the longitudinal axis C side may be joined to each other at locations away from the edges of the side portions so that 231b is formed.
  • the ratio of the length in the width direction W of the second joint, back inhibition of the absorbed body fluid into the absorbent body From the viewpoint of effects and bonding strength, it is preferably 5/3 or more.
  • the present invention can be applied to various absorbent articles such as disposable diapers, urine-absorbing pads, sanitary napkins and the like, but in particular, diapers and urine-absorbing pads that are required to absorb a large amount of body fluid. It can use suitably for absorbent articles, such as.
  • One embodiment of the present invention is an absorbent article that includes a liquid-permeable surface member disposed on the skin surface side and an absorbent body disposed on the clothing side of the surface member, and has a longitudinal direction and a width direction.
  • the surface member is disposed on a longitudinal axis of the absorbent article and extends in the longitudinal direction, and is disposed on both sides of the central sheet member in the longitudinal direction.
  • a pair of side sheet members extending in the longitudinal direction of the article, and the surface member includes an overlapping portion formed by superposing the pair of side sheet members on the center sheet member from the skin surface side.
  • a pair of first overlapping portions extending in the longitudinal direction, each of the pair of first overlapping portions joining the central sheet member and the side sheet member, and extending in the longitudinal direction. And the first joint And projecting the longitudinal axis direction along the, and a first free edge of the side sheet member, it is the absorbent article.
  • each of the pair of first overlapping portions protrudes in a direction along the first joint portion and opposite to the longitudinal axis direction. Has an edge.
  • the first free edge portion has a length in the width direction that is 5/3 or more of the length in the width direction of the first joint portion.
  • each of the pair of first overlapping portions protrudes in a direction along the first joint portion and opposite to the longitudinal axis direction, and the second free edge of the central sheet member And the second free edge portion has a length in the width direction that is 5/3 or more of the length in the width direction of the first joint portion.
  • the side sheet member includes a plurality of sheet pieces extending in the longitudinal direction and arranged side by side in the width direction, and the side sheet member is disposed on the longitudinal axis side.
  • a second overlapping portion including an overlapping portion formed by overlapping a sheet piece positioned from the absorber side on another sheet piece adjacent to the side opposite to the longitudinal axis side and extending in the longitudinal direction; The second overlapping portion joins the sheet piece and the other sheet piece, and extends in the longitudinal direction along the second joining portion and the second joining portion extending in the longitudinal direction, A third free edge of the other sheet piece.
  • the first free edge has a certain length in the width direction over the entire length in the longitudinal direction.
  • the thickness of the region corresponding to the central sheet member is thicker than other regions.
  • the absorbent body includes a single-layer or multi-layer absorbent core, and the thickness and / or the number of layers of the absorbent core in the region corresponding to the central sheet member are different from each other. Bigger than that of the area.
  • the first joint is formed by a hot melt adhesive applied in a straight line.
  • the first joint is formed by a hot melt adhesive applied in a non-linear manner.
  • the first joint portion is formed by a non-linearly coated hot melt adhesive, and the non-linear shape has a shape obtained by projecting a wave shape or a spiral onto a plane. is there.
  • the liquid permeability of the central sheet member is higher than the liquid permeability of the side sheet member.
  • the central sheet member has a structure in which a plurality of convex portions are formed at least on the surface on the skin surface side.

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

Abstract

La présente invention concerne un article absorbant, et son objectif est de proposer un article absorbant qui peut favorablement diffuser des fluides corporels tels que l'urine excrétée dans une direction longitudinale d'une feuille de surface, présente une excellente admission des fluides corporels diffusés dans la direction longitudinale, et permet de réduire le reflux des fluides corporels. Dans cet article absorbant (1), un élément de surface (2) comprend un élément central de feuille (21) et une paire d'éléments latéraux de feuille (22, 23). L'élément de surface (2) a une paire de premières parties de chevauchement (A1) formées par chevauchement de la paire d'éléments latéraux de feuille (22, 23) avec l'élément central de feuille (21) à partir d'un côté de surface de peau. Chacune de la paire de premières parties de chevauchement (A1) a une première portion de jonction (B1) qui relie l'élément central de feuille (21) et les éléments latéraux de feuille (22, 23) et s'étend dans une direction longitudinale (L), et des premières parties de bord libre (22a, 23a) des éléments latéraux de feuille (22, 23), les premières parties de bord libre (22a, 23a) s'étendant le long de la première portion de jonction (B1) et faisant saillie dans une direction d'axe longitudinal (C).
PCT/JP2014/080795 2014-03-20 2014-11-20 Article absorbant WO2015141063A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014058721A JP6358823B2 (ja) 2014-03-20 2014-03-20 吸収性物品
JP2014-058721 2014-03-20

Publications (1)

Publication Number Publication Date
WO2015141063A1 true WO2015141063A1 (fr) 2015-09-24

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Application Number Title Priority Date Filing Date
PCT/JP2014/080795 WO2015141063A1 (fr) 2014-03-20 2014-11-20 Article absorbant

Country Status (3)

Country Link
JP (1) JP6358823B2 (fr)
TW (1) TWI691315B (fr)
WO (1) WO2015141063A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06426U (ja) * 1992-06-18 1994-01-11 新王子製紙株式会社 使いすておむつ
JPH08507232A (ja) * 1993-02-25 1996-08-06 ザ、プロクター、エンド、ギャンブル、カンパニー 多機能トップシートを備えた吸収性物品
JPH11285513A (ja) * 1998-04-03 1999-10-19 Kao Corp 吸収性物品
JP2006115957A (ja) * 2004-10-20 2006-05-11 Kao Corp 吸収性物品
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