WO2011105412A1 - 使い捨て着用物品 - Google Patents
使い捨て着用物品 Download PDFInfo
- Publication number
- WO2011105412A1 WO2011105412A1 PCT/JP2011/053939 JP2011053939W WO2011105412A1 WO 2011105412 A1 WO2011105412 A1 WO 2011105412A1 JP 2011053939 W JP2011053939 W JP 2011053939W WO 2011105412 A1 WO2011105412 A1 WO 2011105412A1
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- WO
- WIPO (PCT)
- Prior art keywords
- absorber
- absorbent body
- wearing article
- disposable wearing
- region
- Prior art date
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Classifications
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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
- A61F13/45—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
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49019—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being placed longitudinally, transversely or diagonally over the article
-
- 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
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch 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
-
- 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
- A61F13/45—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
- A61F2013/4587—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 with channels or deep spot depressions on the upper surface
-
- 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
- A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/53051—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged
- A61F2013/530547—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged positioned in a separate layer or layers
- A61F2013/530562—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged positioned in a separate layer or layers being arranged in discontinuous pattern
Definitions
- the present invention relates to a disposable wearing article in which a bent portion for bending the absorber is formed on the absorber.
- a pants-type diaper in which three bent portions are formed along the length of the absorber in the absorber that absorbs the excrement of the wearer (for example, Patent Document 1).
- this pant-type diaper three slits are formed in the absorber, and the peripheral portion of each slit is bent when worn.
- the peripheral part of the central slit is convex toward the wearer's excretion opening.
- the side peripheral portion of the slit is convex on the side opposite to the central slit peripheral portion. That is, the cross-sectional shape of the absorber along the width direction of the absorber is deformed into a W shape.
- the convex part of the absorber formed by the peripheral part of the central slit is likely to be in close contact with the wearer's excretion opening.
- excrement is easy to enter into the recess formed by the outer two slit peripheral portions, and direct contact between the wearer's skin and excrement can be suppressed.
- a part of the absorber is provided near the boundary between the crotch region and the waistline region.
- a pair of constricted portions constricted toward the center in the width direction of the absorbent body are formed by notching.
- the conventional pants-type diaper described above has a constricted portion formed by cutting out the absorber, and thus the capacity of the absorber is reduced. Therefore, although there is no particular problem with mild incontinence, it is difficult to increase the absorption area around the constricted portion when the absorption amount is to be improved, and the absorption amount cannot be easily improved.
- the present invention aims to provide a disposable wearing article such as a pants-type diaper that has an improved absorption capacity while bending the absorbent body to reliably improve the wearer's wearing feeling and prevent leakage of excrement. To do.
- the present invention is located between the front waistline region (front waistline region S2), the rear waistline region (rear waistline region S3), the front waistline region, and the rear waistline region, and is applied to the crotch portion of the wearer.
- a pair of middle crotch regions located between a crotch region (crotch region S1), the crotch region and the front waistline region, and between the crotch region and the back waistline region Crotch region S5), a length direction (length direction L), a width direction (width direction W) orthogonal to the length direction, an inward direction (inward direction IN) toward the wearer,
- An absorbent body (absorbent body 40) having an outward direction (outward direction OUT) toward the opposite side to the inward direction, and the lengthwise direction so that the absorbent body in the crotch region can be bent convexly in the inward direction.
- Disposable wear comprising a bent portion (side slits 46L, 46R) and configured such that the top surface (top surface 45a) of the absorbent body that is convex inward by the central bent portion is in contact with the crotch portion
- An article for example, a disposable diaper 1
- a transverse elastic member transverse
- a disposable wearing article such as a pants-type diaper with further improved absorption is provided. Can do.
- FIG. 1 is a schematic perspective view of a disposable diaper 1 according to the first embodiment.
- FIG. 2 is a developed plan view of the disposable diaper 1 according to the first embodiment.
- FIG. 3 is a cross-sectional view in the width direction of the disposable diaper 1 along the line AA shown in FIG.
- FIG. 4 is a longitudinal sectional view of the disposable diaper 1 along the line BB shown in FIG.
- FIG. 5 is a plan view showing a joint portion between the absorbent body 50 and the exterior topsheet 70 according to the first embodiment.
- FIG. 6 is a cross-sectional view schematically showing a wearing state of the disposable diaper 1 according to the first embodiment.
- FIG. 7 is a partially developed plan view of the disposable diaper 1 in which the absorber 40 is contracted by the transverse elastic member 7A.
- FIG. 8 is a partially enlarged perspective view of the disposable diaper 1 according to the first embodiment in a wearing state.
- FIG. 9 is a developed plan view of the disposable diaper 1X according to the second embodiment.
- FIG. 10 is a developed plan view of a disposable diaper 1Y according to the third embodiment.
- FIG. 11 is a cross-sectional view in the width direction of the disposable diaper 1Y according to the third embodiment (based on the line AA in FIG. 10).
- FIG. 12 is a perspective view of the absorber 40X according to the third embodiment.
- the disposable wearing article according to the present embodiment includes a transverse elastic material that crosses the absorbent body along the width direction of the absorbent body in the intermediate crotch region and is fixed to the absorbent body.
- the absorber is contracted toward the center of the absorber in the width direction by a transverse elastic material.
- FIG. 1 is a schematic perspective view of the disposable diaper 1 which comprises a disposable wearing article in this embodiment.
- the disposable diaper 1 is a pants-type disposable diaper in which a waistline opening H1 and a pair of leg-hole openings H2 are formed.
- the disposable diaper 1 includes an exterior topsheet 70, a front exterior backsheet 80F, and a rear exterior backsheet 80R that constitute an exterior part of the disposable diaper 1.
- an absorbent body 40 composed of cotton-like pulp and a polymer water-absorbing polymer is provided.
- a plurality of slits are formed in the absorber 40. Specifically, a central slit 45 is formed at the center in the width direction of the absorber 40. Further, side slits 46L and side slits 46R are formed on both sides of the central slit 45. These slits formed in the absorbent body 40 are configured so that the absorbent body 40 can be bent when the disposable diaper 1 is worn.
- FIG. 2 is a developed plan view of the disposable diaper 1 according to the present embodiment.
- FIG. 3 is a cross-sectional view in the width direction of the disposable diaper 1 along the line AA shown in FIG.
- FIG. 4 is a longitudinal sectional view of the disposable diaper 1 along the line BB shown in FIG.
- the disposable diaper 1 has a front waistline region S2 corresponding to the wearer's front waistline and a rear waistline region S3 corresponding to the wearer's back waistline.
- the disposable diaper 1 has a crotch region S1, a front intermediate crotch region S4, and a rear intermediate crotch region S5.
- the crotch region S1 is located between the front waistline region S2 and the back waistline region S3, and is a region applied to the wearer's crotch where the width between the legs is the narrowest when the wearer closes both legs.
- the front intermediate crotch region S4 is located between the crotch region S1 and the front waistline region S2 in the length direction L of the absorber 40.
- the rear intermediate crotch region S5 is located between the crotch region S1 and the rear waistline region S3 in the length direction L.
- the front waistline side edge 4 is joined to the rear waistline edge 6, and the front waistline edge 4 ′ is joined to the rear waistline edge 6 ′, whereby the disposable diaper 1 is formed in a pants shape. .
- a waist gather 3 is provided in the front waistline region S2 and the back waistline region S3.
- the waist gather 3 has an elongated waist elastic material 3 ⁇ / b> A such as a synthetic rubber disposed so as to expand and contract along the width direction W of the absorber 40.
- the waist elastic material 3A is stretched along the width direction W of the disposable diaper 1 to the exterior topsheet 70, the front exterior backsheet 80F, and the rear exterior backsheet 80R by an adhesive (for example, a hot melt adhesive). It is joined.
- Leg gathers 5 and absorbent crossing gathers 7 are formed on the middle crotch edge 8 of the rear exterior backsheet 80R. Leg gathers 5 are formed along the wearer's legs. The absorber crossing gather 7 is formed so as to cross the absorber 40 along the width direction W.
- the leg gather 5 has a plurality (three) of leg elastic members 5A, and the absorber transverse gather 7 has a plurality (three) of transverse elastic members 7A connected to the leg elastic members 5A.
- the transverse elastic member 7A is continuous with the leg elastic member 5A and extends to the rear waistline region S3.
- the transverse elastic member 7A crosses the absorber 40 along the width direction W in the rear intermediate crotch region S5 and is fixed to the absorber 40 (specifically, the absorber body 50). For this reason, the absorber 40 contracts toward the center of the absorber 40 in the width direction W by the crossing elastic member 7A.
- FIG. 2 shows a state where the absorber 40 is not contracted for convenience of explanation.
- front side exterior backsheet 80F and the rear side exterior backsheet 80R are provided with a fit elastic body 9A extending along the width direction W.
- the disposable diaper 1 includes a top sheet 10, an absorber 40, a side sheet 60, an exterior top sheet 70, a front exterior back sheet 80F, and a rear exterior back sheet 80R.
- the top sheet 10, the absorber 40, the side sheet 60, the exterior top sheet 70, and the front exterior back sheets 80F and 80R are joined to each other by an adhesive, heat fusion, or the like.
- the top sheet 10 is a sheet that forms a skin contact surface that can be in direct contact with the skin of the wearer.
- the top sheet 10 is formed of a liquid-permeable sheet such as a hydrophilic nonwoven fabric or woven fabric, an apertured plastic film, or an apertured hydrophobic nonwoven fabric.
- the absorber surface covering sheet 20 is provided between the surface sheet 10 and the absorber 40 in the thickness direction T.
- the absorbent surface covering sheet 20 is formed of a liquid permeable sheet such as a hydrophilic nonwoven fabric or woven fabric, an apertured plastic film, an apertured hydrophobic nonwoven fabric, or a tissue.
- the absorber back surface covering sheet 30 is provided on the non-skin contact surface side that is the surface opposite to the top sheet 10 and the absorber surface covering sheet 20 via the absorber 40.
- the absorber back surface covering sheet 30 is formed of a leakproof sheet such as a liquid impermeable film (for example, polyethylene).
- a liquid impermeable film for example, polyethylene.
- the absorber surface coating sheet 20 is joined with the absorber back surface coating sheet 30 in the part in which the slit (the center slit 45 and the side slits 46L and 46R) was formed. ing.
- the structure which does not have the absorber surface covering sheet 20 and is joined to the absorber back surface covering sheet 30 in the portion where the surface sheet 10 has slits may be used.
- the absorber 40 is covered with the top sheet 10, the absorber surface covering sheet 20, and the absorber back surface covering sheet 30.
- the absorber main body 50 is formed by covering the absorber 40 with the top sheet 10, the absorber surface covering sheet 20, and the absorber back surface covering sheet 30.
- the absorber 40 has a length direction L from the front waistline region S2 toward the rear waistline region S3 and a width direction W orthogonal to the length direction L. Furthermore, the absorber 40 has the inner direction IN which goes to the wearer who wears the disposable diaper 1, and the outer direction OUT which goes to the opposite side to an inner direction.
- the crossing elastic member 7A crosses the absorber 40 along the width direction W and is fixed to the absorber 40 in the rear intermediate crotch region S5.
- the crossing elastic member 7A is provided on the non-skin contact surface side of the absorber 40, specifically, between the exterior topsheet 70 and the rear exterior backsheet 80R. That is, in the present embodiment, “the crossing elastic member 7A is fixed to the absorber 40” means that the crossing elastic member 7A is joined to the absorber 40 via the absorber back surface coating sheet 30 and the exterior topsheet 70.
- transverse elastic material 7A for example, synthetic rubber such as styrene-butadiene, butadiene, isoprene, or neoprene, natural rubber, EVA, stretchable polyolefin, spandex, foamed polyurethane, or the like can be used.
- synthetic rubber such as styrene-butadiene, butadiene, isoprene, or neoprene, natural rubber, EVA, stretchable polyolefin, spandex, foamed polyurethane, or the like
- three 780 dtex spandex having an average expansion ratio of 2.0 times are used for the transverse elastic member 7A.
- the absorbent body 40 As the absorbent body 40, 200 g / m 2 of cotton-like pulp and 200 g / m 2 of a water-absorbing polymer are used. Further, as described above, the central slit 45, the side slit 46L, and the side slit 46R are formed in the absorber 40.
- the central slit 45 is formed in the absorbent body 40 along the length direction L so that the central slit 45 is convex in the inner direction IN, that is, the absorbent body 40 can be bent convexly toward the wearer.
- the central slit 45 constitutes a central bent portion.
- the side slit 46L and the side slit 46R are convex in the outer direction OUT on the outer side in the width direction W than the central slit 45, that is, the length direction L so that the absorber 40 can be bent convexly on the opposite side to the central slit 45.
- the side slit 46L and the side slit 46R constitute a side bent portion.
- the width of the central slit 45 is about 10 mm, and the length is about 200 mm.
- the width of the side slit 46L and the side slit 46R is about 10 mm, and the length is about 120 mm.
- the thickness of the absorber 40 is about 2.0 mm.
- the width of the central slit 45 and the side slits 46L and 46R is preferably 5 mm to 12 mm.
- a side elastic member 90 is provided on the outer side in the width direction W of the absorbent body 40 in a state of being stretched along the length direction L at the side edge portion 50 ⁇ / b> A where the top sheet 10 and the absorbent back cover sheet 30 overlap. Yes.
- the side elastic member 90 is provided along the length direction L outside the side end 40e of the absorber 40, and is continuous from the front intermediate crotch region S4 through the crotch region S1 to the rear intermediate crotch region S5.
- the side elastic member 90 is provided between the absorber back surface covering sheet 30 and the side sheet 60.
- the side elastic member 90 is formed of a synthetic rubber having elasticity.
- the side sheet 60 is provided so as to integrally wrap the top sheet 10, the absorber surface covering sheet 20, and the absorber back surface covering sheet 30 at both ends in the width direction W of the absorber 40.
- the side sheet 60 is formed of a sheet such as a liquid-impermeable nonwoven fabric, and the side sheet 60 and the side elastic member 90 form a leak-proof wall that prevents lateral leakage of excrement.
- the exterior topsheet 70 is formed from the front waistline region S2 to the rear waistline region S3 through the front intermediate crotch region S4, the crotch region S1, and the rear intermediate crotch region S5.
- the exterior topsheet 70 is formed with a width in the width direction W larger than that of the other regions in the front waistline region S2 and the back waistline region S3.
- the exterior topsheet 70 can be formed of an air-through nonwoven fabric, a spunbond nonwoven fabric, an SMS nonwoven fabric, a waterproof film, or the like.
- the front exterior backsheet 80F is provided closer to the non-skin contact surface than the exterior topsheet 70 in the front waistline region S2.
- the rear exterior backsheet 80R is provided closer to the non-skin contact surface than the exterior topsheet 70 in the rear waistline region S3.
- One end of the front exterior backsheet 80F (rear exterior backsheet 80R) in the length direction L is folded back to the skin contact surface side and is provided so as to wrap the end portion in the length direction L of the exterior topsheet 70.
- the front exterior backsheet 80F can be formed of an air-through nonwoven fabric, a spunbond nonwoven fabric, an SMS nonwoven fabric, a waterproof film, or the like.
- each member constituting the disposable diaper 1 described above for example, a material described in JP-A-2006-346439 may be used.
- FIG. 5 is a plan view showing a joint part between the absorber body 50 and the exterior topsheet 70. As shown in FIG. 5, the absorbent body 50 in which the absorbent body 40 is coated with the top sheet 10, the absorbent body surface covering sheet 20, and the absorbent back surface covering sheet 30 is separated from the exterior top sheet 70 at a plurality of separate and independent locations. It is joined.
- the absorbent body 50 is joined to the exterior topsheet 70 by an adhesive (for example, a hot melt adhesive) at the joint 110, the joint 120, and the joint 130.
- the joint portion 110 is formed in the front waistline region S2, and the joint portion 130 is formed in the rear waistline region S3 (see FIG. 2).
- the joint 120 is formed across the crotch region S1, the front intermediate crotch region S4, and the rear intermediate crotch region S5.
- the joint part 120 includes a wide part 121 and a wide part 123, and a narrow part 122 formed between the wide part 121 and the wide part 123.
- the joint 120 is formed in a wider range than the central slit 45.
- the width W1 of the absorbent body 40 in the rear intermediate crotch region S5 is preferably equal to or greater than the width W2 of the crotch region S1. Further, the width W3 (width of the wide portion 123) fixed by joining the transverse elastic member 7A to the absorber 40 (absorber body 50) is the width W1 of the absorber 40 in the rear intermediate crotch region S5. Narrower than that. In this case, portions that are not fixed to the transverse elastic member 7 ⁇ / b> A are provided at both ends of the absorber 40. The width W3 is more preferably about 70% of the width W1.
- the crossing elastic member 7A intersects only the central slit 45 among the central slit 45, the side slit 46L, and the side slit 46R.
- FIG. 6 is a cross-sectional view (based on the line AA in FIG. 2) schematically showing a wearing state of the disposable diaper 1.
- the absorbent body 40 is bent with the central slit 45, the side slit 46 ⁇ / b> L, and the side slit 46 ⁇ / b> R as base points, and the cross-sectional shape along the width direction W of the disposable diaper 1 is , Deformed into a W shape.
- the top surface 45a (not shown in FIG. 6, refer to FIG. 8) of the absorbent body 40 convex in the inward direction IN by the central slit 45 comes into contact with the crotch portion of the wearer.
- FIG. 7 is a partially developed plan view of the disposable diaper 1 in which the absorber 40 is contracted by the transverse elastic member 7A.
- FIG. 8 is a partially enlarged perspective view of the disposable diaper 1 according to the first embodiment in a wearing state.
- the absorber 40 is contracted toward the center of the absorber 40 in the width direction W by the transverse elastic member 7A (see the arrow in the figure).
- the crossing elastic member 7A is provided so as to cross the absorber 40 along the width direction W at an average expansion ratio of 2.0 times, and is fixed to the absorber 40 (absorber body 50). Therefore, the absorber 40 is contracted toward the center in the width direction W.
- the absorber 40 contracts over the entire width.
- the side end 40e of the absorber 40 is recessed, and the recess 47 is formed. That is, the width of the absorber 40 in the rear intermediate crotch region S5 when the transverse elastic member 7A is contracted is narrower than the width of the absorber 40 in the rear intermediate crotch region S5 when the transverse elastic member 7A is expanded.
- the width of the absorber 40 in the rear intermediate crotch region S5 when the transverse elastic material 7A is contracted is smaller than the width W1 when the transverse elastic material 7A is expanded. It is configured to be narrowed by about 15 mm and a total of about 30 mm.
- the recessed part 47 is formed to the extended line of the side slit 46L (side slit 46R) in the planar view of the absorber 40.
- the width W3 is narrower than the width W1
- the transverse elastic member 7A and the unfixed side end 40e are easy to move freely, and the side edge portion 50A (leg standing gather) is likely to rise.
- the side end 40e that is not fixed to the transverse elastic member 7A is likely to rise upward together with the side edge portion 50A. For this reason, the side end 40e which the crossing elastic member 7A crosses rises, and the recessed part 47 is formed.
- the crossing elastic member 7A does not necessarily cross the entire width of the absorber 40, and the recess 47 may be formed.
- the central slit 45 is deformed so as to be convex toward the wearer (inward direction IN) to form a top surface 45a.
- the portion of the side slit 46L (side slit 46R) is deformed to be convex toward the non-skin contact surface side (outward direction OUT).
- the portion of the central slit 45 is sandwiched between both legs of the wearer and becomes convex toward the wearer, while the portion of the side slit 46L (side slit 46R) is worn by contraction of the side edge portion 50A. Get up to the person. For this reason, the cross section along the width direction W of the absorber 40 deform
- the absorbent body 40 is contracted by the transverse elastic member 7A, the spread of the W-shaped deformation in the crotch region S1 is prevented by the portion of the transverse elastic member 7A, and is more on the back side than the transverse elastic member 7A. It is possible to prevent the W-shaped deformation from reaching the rear portion 48 of the absorber 40 located at the position. That is, since the rear portion 48 is maintained in a flat shape without being W-shaped even when worn, the surface of the absorber 40 is in close contact with the wearer's skin outside the crotch region S1 in the length direction L. It is possible to effectively prevent excrement such as urine from leaking through the wearer's skin.
- a constricted constricted portion is formed by notching a part of the absorber 40 in the rear intermediate crotch region S 5.
- the absorber 40 is only contracted, and the substantial effective absorption area (capacity) of the absorber 40 is not reduced. For this reason, absorption power, such as urine, can be improved.
- the concave portion 47 formed by contracting the absorbent body 40 to the transverse elastic member 7 ⁇ / b> A does not reach the rear portion 48 in the same manner as the constricted portion in which a part of the absorbent body 40 is cut out. Can be.
- the concave portion 47 is formed up to the extension line of the side slit 46L (side slit 46R), it is possible to effectively suppress the ripple to the rear portion 48 of the W-shaped deformation.
- the absorbent body 40 can be bent to improve the wearing feeling of the wearer and prevent the excrement from leaking, while further improving the absorbency.
- the disposable diaper 1 is effective for moderate or higher incontinence.
- the crossing elastic member 7A is provided on the non-skin contact surface side of the absorber 40, specifically, between the exterior topsheet 70 and the rear exterior backsheet 80R. For this reason, even when the crossing elastic member 7A crosses the absorbent body 40 in the rear intermediate crotch region S5, it is difficult to give the wearer an uncomfortable feeling. Further, since the crossing elastic member 7A is provided on the non-skin contact surface side of the absorber 40, the portion on the outer side in the width direction W from the side slit 46L (side slit 46R) is more deformed even in a W shape. It tends to be in an open state toward the outside, and the portion of the central slit 45 tends to be more convex.
- the transverse elastic member 7A is provided in the rear intermediate crotch region S5. For this reason, the shape of the rear part 48 of the absorber 40 located on the back side from the crossing elastic member 7A can be made flat, and this is particularly effective for a wearer who has a long sleeping state.
- the transverse elastic member 7A intersects only the central slit 45 among the central slit 45 and the side slits 46L and 46R. For this reason, if the absorber 40 is contracted by the transverse elastic member 7A, the width of the absorber 40 corresponding to the width of the central slit 45 can be surely reduced.
- the absorber surface covering sheet 20 is joined to the absorber back surface covering sheet 30 at a portion where the slits (center slit 45 and side slits 46L and 46R) are formed. For this reason, it can suppress that the absorber 40 deform
- FIG. 9 is an exploded plan view of the disposable diaper 1X according to the second embodiment.
- the transverse elastic member 7A is provided only in the rear intermediate crotch region S5.
- the transverse elastic body having the same function as the transverse elastic material 7A is also provided in the front intermediate crotch region S4. 7B is provided.
- the transverse elastic body 7B is continuous with the leg elastic body 5B and contracts the absorber 40 in the front intermediate crotch region S4. That is, in the disposable diaper 1X, the absorber 40 is contracted in both the front intermediate crotch region S4 and the rear intermediate crotch region S5.
- the absorber 40 since the absorber 40 is contracted also in the front intermediate crotch region S4, it is possible to prevent the W-shaped deformation at the time of wearing from reaching the front waistline region S2 side. That is, on the outer side in the length direction L from the region sandwiched between the transverse elastic material 7A and the transverse elastic body 7B, the surface of the absorbent body 40 is in close contact with the wearer's skin, and excrement such as urine is applied to the wearer's skin. It can be effectively prevented from leaking.
- FIG. 10 is a developed plan view of the disposable diaper 1Y according to the third embodiment.
- FIG. 11 is a cross-sectional view (based on the line AA in FIG. 10) of the disposable diaper 1Y.
- FIG. 12 is a perspective view of the absorber 40X according to the third embodiment. As shown in FIGS. 10 to 12, the absorber 40X according to the present embodiment has a two-layer structure.
- the absorber 40 ⁇ / b> X includes a first layer 41 and a second layer 42 that overlaps the first layer 41.
- the first layer 41 is located on the skin contact surface side with the wearer, and the second layer 42 is located on the non-skin contact surface side of the wearer.
- a central slit 41C extending along the length direction L and side slits 41L and 41R extending along the length direction L are formed.
- the side slits 41L and 41R are formed in the crotch region S1 similarly to the side slits 46L and 46R.
- a central slit 42C extending along the length direction L is formed.
- the central slit 42C is formed in the crotch region S1 similarly to the central slit 45 and the like.
- the second layer 42 has a pair of projecting portions 42P that overlap with the position of the constricted portion 41S and project toward the outside in the width direction W.
- the second layer 42 may be positioned on the skin contact surface side with the wearer, and the first layer 41 may be positioned on the non-skin contact surface side of the wearer.
- the crossing elastic member 7A crosses the absorber 40X at the pair of constricted portions 41S. For this reason, the projecting portion 42P is contracted toward the center of the absorber 40X in the width direction W by the crossing elastic member 7A. Since the portion of the overhanging portion 42P is formed only by the second layer 42, it easily contracts.
- the crossing elastic member 7A crosses the absorber 40X at a position where it does not intersect any of the central slit 41C (central bent portion) and the side slits 41L and 41R (side bent portions). Since no slit is formed in the rear intermediate crotch region S5 outside the transverse elastic member 7A, the absorber 40X is not easily bent and is likely to be flat.
- a fit elastic body 9A in at least the rear waistline region S3 (rear side intermediate crotch region S5) of the front waistline region S2 (front side intermediate crotch region S4) and the rear waistline region S3 (rear side intermediate crotch region S5) is provided.
- the portion intersects the absorber 40X without being fixed to the absorber 40X (specifically, the absorber body 50). That is, in the portion where the fit elastic body 9A is provided, the absorber back surface covering sheet 30 and the exterior top sheet 70 constituting the absorber body 50 are not joined, and the fit elastic body 9A It is joined to the side exterior backsheet 80R. That is, only the transverse elastic material 7A is fixed to the absorber 40X among the transverse elastic material 7A and the fit elastic body 9A crossing the absorber 40X.
- the absorbent body 40X At least in the rear waistline region S3 (rear side intermediate crotch region S5), only the transverse elastic material 7A among the transverse elastic material 7A and the fit elastic body 9A intersecting the absorbent body 40X is the absorbent body 40X. Since it is fixed, the absorber 40X contracted by the transverse elastic member 7A is not affected by the contraction of the fit elastic body 9A. That is, the absorber 40X can be reliably contracted by the transverse elastic member 7A without being affected by the fit elastic body 9A.
- the fit elastic body 9A is not necessarily separated from the absorber 40X in this way. For example, the fit elastic body 9A in the front waistline region S2 (front intermediate crotch region S4) may be fixed to the absorber 40X. I do not care.
- the overhanging portion 42P is formed in one layer at the constricted portion 41S and is thinner than the two-layered portion, in addition to supplementing the portion of the constricted portion 41S where the absorber 40X is small, the overhanging portion 42P
- the side edge portion 50A makes it easier to get up.
- the disposable diaper 1 has been described as a pants-type disposable diaper, but the present invention is not limited to this, and an open-type disposable diaper or urine is used. It may be applied to a take pad.
- the central bent portion is formed using a slit or an elastic material.
- the central bent portion is formed by reducing the thickness of the absorber or embossing the absorber. Also good.
- a complex planar absorbent body having a constricted portion is used, but a rectangular absorbent body may be used.
- a disposable wearing article such as a pants-type diaper having a further improved absorbability while ensuring the wearer's wearing feeling and preventing leakage of excrement by bending the absorber. Can be provided.
- central slit, 42P Overhang, 45 ... center slit, 45a ... top surface, 46L, 46R ... side slit, 47 ... recess, 48 ... rear part, 50 ... absorber body, 50A ... side edge, 60 ... side sheet, 70 ... exterior top Sheet, 80F: Front exterior backsheet, 80R: Rear exterior backsheet, 90 ... Side elastic material, 110, 120, 130 ... Joint, 121, 123 ... Wide part, 122 ... Narrow part, S1 ... Crotch region , S2 ... front waistline region, H1 ... waistline opening, H2 ... leg waist opening, S3 ... rear waistline region, S4 ... front intermediate crotch region, S5 ... rear intermediate crotch region
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Abstract
Description
本実施形態に係る使い捨て着用物品は、中間股下領域において、吸収体の幅方向に沿って吸収体を横断するとともに、吸収体に固定される横断弾性材を備える。吸収体は、横断弾性材によって幅方向における前記吸収体の中央に向けて収縮させられていることを特徴とする。
図1は、本実施形態において使い捨て着用物品を構成する使い捨ておむつ1の概略斜視図である。図1に示すように、使い捨ておむつ1は、胴回り開口部H1と一対の脚回り開口部H2とが形成されたパンツ型の使い捨ておむつである。
図5は、吸収体本体50と外装トップシート70との接合部を示す平面図である。図5に示すように、表面シート10と吸収体表面被覆シート20と吸収体裏面被覆シート30とによって吸収体40が被覆された吸収体本体50は、分離独立した複数箇所において外装トップシート70と接合されている。
図6は、使い捨ておむつ1の着用状態を模式的に示す断面図(図2のA-A線基準)である。図6に示すように、使い捨ておむつ1が着用されると、中央スリット45及びサイドスリット46L,サイドスリット46Rを基点として吸収体40が屈曲し、使い捨ておむつ1の幅方向Wに沿った断面形状は、W字状に変形する。この結果、中央スリット45によって内方向INに凸となった吸収体40の頂面45a(図6において不図示、図8参照)が着用者の股間部に当接する。
次に、第2実施形態に係る使い捨ておむつ1Xの構成について、図面を参照しながら説明する。なお、上述した第1実施形態に係る使い捨ておむつ1と同一部分には同一の符号を付して、相違する部分を主として説明する。
次に、第3実施形態に係る使い捨ておむつ1Yの構成について、図面を参照しながら説明する。なお、上述した第1実施形態に係る使い捨ておむつ1と同一部分には同一の符号を付して、相違する部分を主として説明する。
上述したように、本発明の実施形態を通じて本発明の内容を開示したが、この開示の一部をなす論述及び図面は、本発明を限定するものであると理解すべきではない。この開示から当業者には様々な代替実施の形態、実施例及び運用技術が明らかとなろう。
Claims (15)
- 前胴回り領域と、後胴回り領域と、前記前胴回り領域と前記後胴回り領域との間に位置し、着用者の股間部に当てられる股下領域と、前記股下領域と前記前胴回り領域との間及び前記股下領域と前記後胴回り領域との間に位置する一対の中間股下領域とを有し、
長さ方向と、前記長さ方向に直交する幅方向と、前記着用者に向かう内方向と、前記内方向と反対側に向かう外方向とを有する吸収体と、
前記股下領域における前記吸収体が前記内方向に凸に屈曲できるように、前記長さ方向に沿って前記吸収体に形成された中央屈曲部と、
前記中央屈曲部よりも前記幅方向の外側において、前記吸収体が前記外方向に凸に屈曲できるように、前記長さ方向に沿って前記吸収体に形成された一対のサイド屈曲部と
を備え、前記中央屈曲部によって前記内方向に凸となった吸収体の頂面が前記股間部に当接するように構成された使い捨て着用物品であって、
前記一対の中間股下領域の少なくとも何れかにおいて、前記幅方向に沿って前記吸収体を横断するとともに、前記吸収体に固定される横断弾性材を備え、
前記吸収体は、前記横断弾性材によって、前記幅方向における前記吸収体の中央に向けて収縮させられている使い捨て着用物品。 - 前記吸収体には、前記横断弾性材によって、前記幅方向における前記吸収体の中央に向けて凹んだ凹部が形成される請求項1に記載の使い捨て着用物品。
- 前記横断弾性材は、前記吸収体の非肌当接面側に設けられる請求項1または2に記載の使い捨て着用物品。
- 前記横断弾性材が位置する部分における前記吸収体の幅は、前記股下領域の幅以上である請求項1乃至3の何れか一項に記載の使い捨て着用物品。
- 前記横断弾性材は、前記股下領域と前記後胴回り領域との間に形成される前記中間股下領域に設けられる請求項1乃至4の何れか一項に記載の使い捨て着用物品。
- 前記吸収体の両側端において前記長さ方向に沿って設けられるサイド弾性材を備え、
前記横断弾性材が前記吸収体に固定されている幅は、前記中間股下領域における前記吸収体の幅よりも狭く、
前記吸収体の両側端には、前記横断弾性材と固定されていない部分が形成される請求項1乃至5の何れか一項に記載の使い捨て着用物品。 - 前記前胴回り領域と前記後胴回り領域の少なくとも何れかには、前記幅方向に沿って延び、前記吸収体と固定されることなく前記吸収体と交差する胴回り弾性材が設けられる請求項1乃至6の何れか一項に記載の使い捨て着用物品。
- 前記使い捨て着用物品は、胴回り開口部と一対の脚回り開口部とが形成されたパンツ型であり、
前記吸収体を交差する前記横断弾性材及び前記胴回り弾性材のうち、前記横断弾性材のみが前記吸収体に固定される請求項7に記載の使い捨て着用物品。 - 前記横断弾性材は、前記前胴回り領域または前記後胴回り領域まで延在する請求項1乃至8の何れか一項に記載の使い捨て着用物品。
- 前記吸収体は、
第1層と、
前記第1層と重ねられた第2層と
を有する請求項1乃至9の何れか一項に記載の使い捨て着用物品。 - 前記第1層には、前記幅方向における前記吸収体の中央に向けてくびれた一対のくびれ部が形成され、
前記横断弾性材は、前記一対のくびれ部の部分において前記吸収体を横断する請求項10に記載の使い捨て着用物品。 - 前記第2層は、前記くびれ部の位置と重なり、前記幅方向の外側に向けて張り出した一対の張り出し部を有し、
前記張り出し部は、前記横断弾性材によって、前記幅方向における前記吸収体の中央に向けて収縮させられている請求項11に記載の使い捨て着用物品。 - 前記中央屈曲部は、前記長さ方向に沿って前記吸収体に形成された中央スリット、または前記長さ方向に沿って配置された中央弾性部材によって形成される請求項1乃至12の何れか一項に記載の使い捨て着用物品。
- 前記横断弾性材は、前記中央屈曲部及び前記一対のサイド屈曲部の何れとも交差しない位置において前記吸収体を横断する請求項1乃至13の何れか一項に記載の使い捨て着用物品。
- 前記横断弾性材は、前記中央屈曲部及び前記一対のサイド屈曲部のうち、前記中央屈曲部のみと交差する請求項1乃至13の何れか一項に記載の使い捨て着用物品。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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CN201180011204.XA CN102781387B (zh) | 2010-02-27 | 2011-02-23 | 一次性穿用物品 |
EP11747372.8A EP2540269B1 (en) | 2010-02-27 | 2011-02-23 | Disposable worn article |
KR1020127024443A KR101650221B1 (ko) | 2010-02-27 | 2011-02-23 | 일회용 착용 물품 |
BR112012021065A BR112012021065A2 (pt) | 2010-02-27 | 2011-02-23 | artigo de uso descartável |
AU2011221332A AU2011221332B2 (en) | 2010-02-27 | 2011-02-23 | Disposable worn article |
US13/580,533 US9078791B2 (en) | 2010-02-27 | 2011-02-23 | Disposable worn article |
ZA2012/06372A ZA201206372B (en) | 2010-02-27 | 2012-08-23 | Disposable worn article |
Applications Claiming Priority (2)
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JP2010043595A JP5486347B2 (ja) | 2010-02-27 | 2010-02-27 | 使い捨て着用物品 |
JP2010-043595 | 2010-02-27 |
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WO2011105412A1 true WO2011105412A1 (ja) | 2011-09-01 |
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PCT/JP2011/053939 WO2011105412A1 (ja) | 2010-02-27 | 2011-02-23 | 使い捨て着用物品 |
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US (1) | US9078791B2 (ja) |
EP (1) | EP2540269B1 (ja) |
JP (1) | JP5486347B2 (ja) |
KR (1) | KR101650221B1 (ja) |
CN (1) | CN102781387B (ja) |
AU (1) | AU2011221332B2 (ja) |
BR (1) | BR112012021065A2 (ja) |
MY (1) | MY168348A (ja) |
WO (1) | WO2011105412A1 (ja) |
ZA (1) | ZA201206372B (ja) |
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Also Published As
Publication number | Publication date |
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JP5486347B2 (ja) | 2014-05-07 |
CN102781387A (zh) | 2012-11-14 |
AU2011221332B2 (en) | 2015-07-02 |
KR20120121916A (ko) | 2012-11-06 |
BR112012021065A2 (pt) | 2016-05-17 |
CN102781387B (zh) | 2015-04-22 |
US9078791B2 (en) | 2015-07-14 |
EP2540269A4 (en) | 2014-06-18 |
MY168348A (en) | 2018-10-31 |
JP2011177309A (ja) | 2011-09-15 |
ZA201206372B (en) | 2013-04-24 |
AU2011221332A1 (en) | 2012-09-20 |
EP2540269A1 (en) | 2013-01-02 |
EP2540269B1 (en) | 2018-03-28 |
KR101650221B1 (ko) | 2016-08-22 |
US20130030402A1 (en) | 2013-01-31 |
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