Disposable absorbent article having breathable side flaps
First Claim
1. A disposable diaper comprising:
- an absorbent assembly comprising an absorbent core; and
a chassis having a longitudinal axis, a lateral axis, a front waist region having a front waist edge, a back waist region having a back waist edge, a crotch region between the waist regions, laterally opposing side edges extending between the front waist edge and the back waist edge, an exterior surface, and an interior surface, the chassis forming a waist opening and two laterally opposing leg openings when the front waist region and the back waist region are attached together, the chassis comprising a water-impermeable center sheet having laterally opposing side edges, an interior surface, and an exterior surface, the chassis further comprising laterally opposing water-impermeable water vapor-permeable side sheets attached to the center sheet adjacent to its side edges, each of the side sheets being doubled and thereby having first and second layers over substantially its entire area, at least portions of the side sheets being folded interiorly laterally inward to form laterally opposing breathable side flaps, each of the side flaps being attached adjacent to its longitudinally distal ends to the interior surface and having a longitudinally extending elastic gathering member attached adjacent to its proximal edge.
1 Assignment
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Accused Products
Abstract
A simple disposable absorbent article including a chassis and an absorbent assembly. The chassis includes a water-impermeable sheet folded laterally inward at both of its side edges to form opposing side flaps. Each side flap is attached to the interior surface of the chassis adjacent to its end edges. Each side flap has a longitudinally extending elastic gathering member attached adjacent to its proximal edge. The absorbent assembly is smaller in width and in length than the chassis. The side edges and end edges of the absorbent assembly may be disposed proximally relative to the respective side edges and end edges of the chassis. The absorbent assembly includes an absorbent core that may contain superabsorbent particles, which may be contained inside pockets. The chassis may be extensible. The absorbent assembly may be in a cruciform pattern to the chassis to allow portions of the chassis to extend laterally.
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Citations
20 Claims
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1. A disposable diaper comprising:
an absorbent assembly comprising an absorbent core; and
a chassis having a longitudinal axis, a lateral axis, a front waist region having a front waist edge, a back waist region having a back waist edge, a crotch region between the waist regions, laterally opposing side edges extending between the front waist edge and the back waist edge, an exterior surface, and an interior surface, the chassis forming a waist opening and two laterally opposing leg openings when the front waist region and the back waist region are attached together, the chassis comprising a water-impermeable center sheet having laterally opposing side edges, an interior surface, and an exterior surface, the chassis further comprising laterally opposing water-impermeable water vapor-permeable side sheets attached to the center sheet adjacent to its side edges, each of the side sheets being doubled and thereby having first and second layers over substantially its entire area, at least portions of the side sheets being folded interiorly laterally inward to form laterally opposing breathable side flaps, each of the side flaps being attached adjacent to its longitudinally distal ends to the interior surface and having a longitudinally extending elastic gathering member attached adjacent to its proximal edge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A disposable diaper comprising:
an absorbent assembly comprising an absorbent core; and
a chassis having a longitudinal axis, a lateral axis, a front waist region, a back waist region, a crotch region between the waist regions, laterally opposing side edges extending between the front waist edge and the back waist edge, an exterior surface, and an interior surface, the chassis forming a waist opening and two laterally opposing leg openings when the front waist region and the back waist region are attached together, the chassis comprising a water-impermeable water vapor-impermeable center sheet having laterally opposing side edges, the chassis further comprising laterally opposing water-impermeable water vapor-permeable side sheets attached to the center sheet adjacent to its side edges, at least portions of the side sheets being folded interiorly laterally inward to form laterally opposing breathable side flaps, each of the side flaps being attached adjacent to its longitudinally distal ends to the interior surface and having a longitudinally extending elastic gathering member attached adjacent to its proximal edge. - View Dependent Claims (14, 15, 16, 17)
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18. A disposable diaper comprising:
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a chassis having a longitudinal axis, a lateral axis, a front waist region, a back waist region, a crotch region between the waist regions, laterally opposing side edges extending between the front waist edge and the back waist edge, an exterior surface, and an interior surface, the chassis forming a waist opening and two laterally opposing leg openings when the front waist region and the back waist region are attached together, the chassis comprising a water-impermeable center sheet having laterally opposing side edges, the chassis further comprising laterally opposing water-impermeable water vapor-permeable side sheets attached to the center sheet adjacent to its side edges, at least portions of the side sheets being folded interiorly laterally inward to form laterally opposing breathable side flaps, each of the side flaps being attached adjacent to its longitudinally distal ends to the interior surface and having a longitudinally extending elastic gathering member attached adjacent to its proximal edge; and
an absorbent assembly comprising an absorbent core and being attached to the chassis in a cruciform pattern of attachment having a longitudinally extending portion intersecting with a laterally extending portion. - View Dependent Claims (19, 20)
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Specification