Stretchable laminate constructions
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United States of America Patent
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Jun 19, 1990
Grant Date -
N/A
app pub date -
Aug 30, 1989
filing date -
Aug 30, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Stretchable laminate constructions based on an elastic fabric and a substantially non-elastic film which are held in intimate contact with one another by means of a discontinuous pattern of adhesive are disclosed. When the laminate constructions of the invention are in a relaxed state, the length of the film between adjacent adhesion points along the direction of stretch of the elastic fabric is substantially equivalent to the length of the elastic fabric between the same adhesion points when the construction is extended to its elastic recovery limit. A preferred embodiment of the invention utilizes waterproof breathable non-elastic membranes to produce laminate constructions suitable for clean room and protective garment applications.
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