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US 2014/0330239 A1Published application
Disposable diaper
AssigneeUnicharm Corporation
InventorSatoru Sakaguchi
Life of this patent
Estimating the term…
Abstract
A disposable diaper includes: a first inflected unit formed in an absorber and extending along a product widthwise direction; a second inflected unit formed in the absorber, extending along the product widthwise direction, and positioned towards a rear waistline unit from the first inflected unit; and a crotch unit formed between the first inflected unit and the second inflected unit. The size of the crotch unit along the product longitudinal direction is 30 mm or more and 150 mm or less in the natural state of the disposable diaper
Claims13
A disposable diaper comprising:
- a front waistline region;
- a rear waistline region;
- a crotch region positioned between the front waistline region and the rear waistline region;
- a pair of leg hole opening units;
- an absorber running across the crotch region and extending in the front waistline region and rear waistline region;
- a product longitudinal direction from the front waistline region towards the rear waistline region;
- a product widthwise direction that is perpendicular to the product longitudinal direction;
- a waistline retaining unit extending along the product widthwise direction in the front waistline region and the rear waistline region, and holding the disposable diaper onto a body of a wearer;
- a crotch unit that is formed in the crotch region and can be expanded and contracted in the product longitudinal direction or the product widthwise direction;
- a first inflected unit that is formed in the absorber and that becomes a curved base point of the disposable diaper by extending along the product widthwise direction;
- and
- a second inflected unit that is formed in the absorber, that becomes the curved base point of the disposable diaper by extending along the product widthwise direction, and that is positioned towards the rear waistline region from the first inflected unit;
- wherein
- the crotch unit is provided independently from the waistline retaining unit without intersecting the waistline retaining unit;
- and
- a size along the product longitudinal direction of the crotch unit is 30 mm or more and 150 mm or less, in a natural state of the disposable diaper.
13 more elements
A disposable diaper comprising:
- a front waistline region;
- a rear waistline region;
- a crotch region positioned between the front waistline region and the rear waistline region;
- a pair of leg hole opening units;
- an absorber running across the crotch region and extending in the front waistline region and rear waistline region;
- a product longitudinal direction from the front waistline region towards the rear waistline region;
- a product widthwise direction that is perpendicular to the product longitudinal direction;
- a waistline retaining unit extending along the product widthwise direction in the front waistline region and the rear waistline region, and holding the disposable diaper onto a body of a wearer;
- a crotch unit formed in the crotch region;
- a first inflected unit that is formed in the absorber and that becomes a curved base point of the disposable diaper by extending along the product widthwise direction;
- a second inflected unit that is formed in the absorber, that becomes the curved base point of the disposable diaper by extending along the product widthwise direction, and is positioned towards the rear waistline region from the first inflected unit;
- and
- an exterior sheet arranged on a non-skin contact surface side of the absorber;
- wherein
- the crotch unit is provided independently from the waistline retaining unit without intersecting the waistline retaining unit;
- a size along the product longitudinal direction of the crotch unit is 30 mm or more and 150 mm or less, in a natural state of the disposable diaper;
- and
- a dart unit configured to pick at least the exterior sheet is formed in edges of the crotch unit in the product longitudinal direction.
15 more elements
A disposable diaper comprising:
- a front waistline region;
- a rear waistline region;
- a crotch region positioned between the front waistline region and the rear waistline region;
- a pair of leg hole opening units;
- an absorber running across the crotch region and extending in the front waistline region and rear waistline region;
- a product longitudinal direction from the front waistline region towards the rear waistline region;
- a product widthwise direction that is perpendicular to the product longitudinal direction;
- a waistline retaining unit extending along the product widthwise direction in the front waistline region and the rear waistline region, and holding the disposable diaper onto a body of a wearer;
- a crotch unit formed in the crotch region;
- a first inflected unit that is formed in the absorber and that becomes a curved base point of the disposable diaper by extending along the product widthwise direction;
- and
- a second inflected unit that is formed in the absorber, that becomes the curved base point of the disposable diaper by extending along the product widthwise direction, and that is positioned towards the rear waistline region from the first inflected unit;
- wherein the crotch unit is provided independently from the waistline retaining unit without intersecting the waistline retaining unit;
- a size along the product longitudinal direction of the crotch unit is 30 mm or more and 150 mm or less, in a natural state of the disposable diaper;
- and
- the crotch unit comprises a reinforcing sheet configured to reinforce the crotch unit.
13 more elements
A disposable diaper comprising:
- a front waistline region;
- a rear waistline region;
- a crotch region positioned between the front waistline region and the rear waistline region;
- a pair of leg hole opening units;
- an absorber running across the crotch region and extending in the front waistline region and rear waistline region;
- a product longitudinal direction from the front waistline region towards the rear waistline region;
- a product widthwise direction that is perpendicular to the product longitudinal direction;
- a waistline retaining unit extending along the product widthwise direction in the front waistline region and the rear waistline region, and holding the disposable diaper onto a body of a wearer;
- a crotch unit formed in the crotch region;
- a first inflected unit that is formed in the absorber and that becomes a curved base point of the disposable diaper by extending along the product widthwise direction;
- and
- a second inflected unit that is formed in the absorber, that becomes the curved base point of the disposable diaper by extending along the product widthwise direction, and that is positioned towards the rear waistline region from the first inflected unit;
- wherein
- the absorber is configured to be able to bend along the first inflected unit and the second inflected unit;
- and
- when the disposable diaper is worn, as compared to the other portions of the absorber, the crotch unit is configured to be able to maintain a flat shape.
13 more elements
Dependencies are inferred from the claim text.