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US 5,422,172 AGranted
Elastic laminated sheet of an incrementally stretched nonwoven fibrous web and elastomeric film and method
AssigneeClopay Plastic Products Company, Inc.
InventorPai-Chuan Wu
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Abstract
An elastic laminated sheet of an incrementally stretched nonwoven fibrous web and elastomeric film and method of making are disclosed. The elastic laminates are especially useful in diapers, surgical gowns, sheets, dressings, hygienic products and the like.
Claims12
An elastic laminated sheet of a nonwoven fibrous web and an elastomeric film comprising
- an elastomeric film and
- a nonwoven fibrous web laminated to a surface of said film to form said laminated sheet, said laminated sheet having a multitude of fibers extending outwardly from said laminated surface, said fibers being formed by incremental stretching of the laminated sheet along lines substantially uniformly across the laminated sheet and throughout its depth, said laminated sheet being stretchable and recoverable, having a permanent set after being stretched to 50% of its original shape of no more than about 10%.
Dependencies are inferred from the claim text.