Composite elastic necked-bonded material
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United States of America Patent
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May 7, 1996
Issued Date -
N/A
app pub date -
May 30, 1995
filing date -
Sep 23, 1988
priority date (Note) -
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Abstract
The present invention provides a composite elastic necked-bonded material including at least one necked material joined to at least one elastic sheet. The composite elastic necked-bonded material is stretchable in a direction generally parallel to the direction of constriction or necking of the necked material. Also disclosed is a method of producing a composite elastic necked-bonded material by extruding a film of substantially molten elastomer through a die tip; depositing the extruded elastomeric film onto a tensioned, necked material within from about 0.1 to about 1 second of exiting the die tip to form a multilayer material; and then immediately applying pressure to the multilayer material to bond the tensioned, necked material to the elastomeric film.
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