US 2019/0240085 A1 · ABSORBENT ARTICLE

Abstract

A top sheet of a disposable diaper includes projections and depressions. The projection and the depression extend in the front-back direction, and are arranged alternately in the width direction. The top sheet includes a first region disposed at least in the rear waistline region and a second region disposed at least in a crotch region. A height of the first projection is higher than a height of the second projection. A first depression is provided with a widthwise projection configured to divide a space in a first depression extending in a front-back direction. A pitch of the first projection in the width direction is larger than a pitch of the second projection in the width direction.

Claims12

Dependent claims

1-12 (canceled)

An absorbent article, comprising:

a front waistline region;
a rear waistline region;
a crotch region located between the front waistline region and the rear waistline region;
a front-back direction from the front waistline region toward the rear waistline region;
a width direction orthogonal to the front-back direction;
an absorber extending across the crotch region and extending to at least one of the front waistline region and the rear waistline region;
and
a top sheet located on a skin-facing side with respect to the absorber and coming into contact with a wearer,
the top sheet including projections projecting toward a skin-facing side and depressions provided between the projections,
the projections and the depressions extending in the front-back direction and being arranged alternately in the width direction,
wherein the top sheet includes a first region disposed at least in the rear waistline region and a second region disposed at least in the crotch region,
a height of the projections in the first region is larger than a height of the projections in the second region,
each of the depressions in the first region includes a dividing portion configured to divide a space in each of the depressions, the space extending in the front-back direction,
a pitch of the projections in the first region in the width direction is larger than a pitch of the projections in the second region in the width direction,
each of the projections includes a projecting wall portion extending from an outer edge of the projection toward the skin-facing side,
each of the depressions includes a depressed bottom portion extending in the front-back direction and the width direction, and
an angle formed between the projecting wall portion and the depressed bottom portion of the depression adjacent to the projecting wall portion in the first region is larger than an angle formed between the projecting wall portion and the depressed bottom portion of the depression adjacent to the projecting wall portion in the second region.

14 more elements

An absorbent article, comprising:

a front waistline region;
a rear waistline region;
a crotch region located between the front waistline region and the rear waistline region;
a front-back direction from the front waistline region toward the rear waistline region;
a width direction orthogonal to the front-back direction;
an absorber extending across the crotch region and extending to at least one of the front waistline region and the rear waistline region;
and
a top sheet located on a skin-facing side with respect to the absorber and coming into contact with a wearer,
the top sheet including projections projecting toward a skin-facing side and depressions provided between the projections,
the projections and the depressions extending in the front-back direction and being arranged alternately in the width direction,
wherein the top sheet includes a first region disposed at least in the rear waistline region and a second region disposed at least in the crotch region,
a height of the projections in the first region is larger than a height of the projections in the second region,
each of the depressions in the first region includes a dividing portion configured to divide a space in each of the depressions, the space extending in the front-back direction,
a pitch of the projections in the first region in the width direction is larger than a pitch of the projections in the second region in the width direction,
wherein the absorbent article comprises a pair of three-dimensional gathers disposed on both of the outer sides in the width direction of the widthwise center of the absorbent article, and
each of the three-dimensional gathers includes:
an erectile portion including a resilient member elastic in the front-back direction and configured to be capable of erecting toward the wearer,
a first fixed portion located outside the erectile portion in the width direction and serving as a starting point of an erecting movement of the erectile portion, and
a second fixed portion located at both outer sides of the erectile portion in the front-back direction and serving as a starting point of an erecting motion of the erectile portion,
the first region is disposed between a pair of the first fixed portions in the width direction, and
a rear end edge of the first region is located rearward of a region of the erectile portion contracted by the resilient member.

18 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/300,581Filed 25 May 2016

Priority

JP 2016-09671813 May 2016

Published

8 Aug 2019

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

A61F 13/51104
Topsheet, i.e. the permeable cover or layer facing the skin: the top sheet having a three-dimensional cross-section, e.g. corrugations,…
A61F 13/49
Characterised by the shape: specially adapted to be worn around the waist, e.g. diapers or nappies
A61F 13/49007
Specially adapted to be worn around the waist, e.g. diapers or nappies: form-fitting, self-adjusting disposable diapers
A61F 13/511
Characterised by the outer layers of the pads: topsheet, i.e. the permeable cover or layer facing the skin

Absorbent article

Life of this patent

Absorbent article

Life of this patent

Abstract

Claims12