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US 9,801,764 B2Granted
Disposable wearing article with curving unit
AssigneeUnicharm Corporation
InventorsTakaya Arayama, Hirotomo Mukai
Life of this patent
Estimating the term…
Abstract
A disposable wearing article includes a urination region to be in contact with a urination unit of the wearer, a buttocks region to be in contact with buttocks of the wearer, and an absorbent sheet which includes an absorbent polymer sandwiched between liquid-impermeable layers. The absorbent sheet is disposed in the buttocks region but not in the urination region.
Claims13
A disposable wearing article, comprising:
- a liquid-permeable topsheet;
- a backsheet;
- an absorber disposed between the topsheet and the backsheet, the absorber having a longitudinal direction, a widthwise direction orthogonal to the longitudinal direction, an inner direction for facing a wearer, and an outer direction opposite to the inner direction;
- a urination region, which is adapted to be in contact with a urination unit of the wearer;
- a buttocks region, which is disposed rearwardly of the urination region and is adapted to be in contact with buttocks of the wearer;
- and
- an absorbent sheet which includes an absorbent polymer sandwiched between liquid-impermeable layers and is provided between the topsheet and the absorber;
- wherein
- the absorber has a curving unit in at least the urination region to cause the absorber to curve convexly in the inner direction,
- the absorbent sheet is disposed in the buttocks region, but not in the urination region,
- the buttocks region includes at least one polymer containing region in which the absorbent polymer is disposed,
- the curving unit is positioned forward of the at least one polymer containing region,
- the curving unit is elongated in the longitudinal direction, and
- the curving unit includes a curving unit stretchable member stretchable in the longitudinal direction.
11 more elements
A disposable wearing article, comprising:
- a liquid-permeable topsheet;
- a backsheet;
- an absorber disposed between the topsheet and the backsheet, the absorber having a longitudinal direction, a widthwise direction orthogonal to the longitudinal direction, an inner direction for facing a wearer, and an outer direction opposite to the inner direction;
- a urination region, which is adapted to be in contact with a urination unit of the wearer;
- a buttocks region, which is disposed rearwardly of the urination region and is adapted to be in contact with buttocks of the wearer,
- wherein
- the absorber has first and second regions having an absorbent polymer, and wherein a basis weight of the absorbent polymer in the second region is lower than a basis weight of the absorbent polymer in the first region,
- the absorber has a curving unit in at least the urination region to cause the absorber to bend convexly in the inner direction,
- the second region is in the urination region,
- the first region is on a top side of the absorber in the buttocks region,
- the buttocks region includes at least one polymer containing region in which the absorbent polymer is disposed,
- the curving unit is positioned forward of the at least one polymer containing region,
- the curving unit is elongated in the longitudinal direction, and
- the curving unit includes a curving unit stretchable member stretchable in the longitudinal direction.
11 more elements
Dependencies are inferred from the claim text.