Shaped disposable diapers with shaped elastically contractible waistbands
First Claim
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1. A disposable diaper comprising:
- a liquid permeable topsheet;
a liquid impermeable backsheet, said backsheet being affixed to said topsheet;
an absorbent element, said absorbent element being interposed between said backsheet and said topsheet;
a waistband extending from the laterally extending margin of the diaper to about the laterally extending margin of said absorbent element;
fold regions at which said topsheet and said backsheet are folded; and
an elastomeric element, said elastomeric element being affixed to said waistband, said elastomeric element having a middle portion of relatively less contraction and a pair of additional portions of relatively more contraction compared to said middle portion, said additional portions being separated by said middle portion.
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Abstract
Disposable diapers having elasticized waistbands which are shaped to conform to the wearers'"'"' waists and methods of making them. The shaped disposable diapers are made by affixing an elastomeric material having a heat unstable state and a heat stable and elastic state to the diaper while the elastomeric material is in its heat unstable state and then heating the elastomeric material while the diaper is restrained in a folded configuration.
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Citations
5 Claims
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1. A disposable diaper comprising:
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a liquid permeable topsheet; a liquid impermeable backsheet, said backsheet being affixed to said topsheet; an absorbent element, said absorbent element being interposed between said backsheet and said topsheet; a waistband extending from the laterally extending margin of the diaper to about the laterally extending margin of said absorbent element; fold regions at which said topsheet and said backsheet are folded; and an elastomeric element, said elastomeric element being affixed to said waistband, said elastomeric element having a middle portion of relatively less contraction and a pair of additional portions of relatively more contraction compared to said middle portion, said additional portions being separated by said middle portion. - View Dependent Claims (2, 3, 4, 5)
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Specification