Method for forming a composite elastic material
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United States of America Patent
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May 13, 1997
Grant Date -
N/A
app pub date -
Apr 29, 1996
filing date -
Apr 29, 1996
priority date (Note) -
Expired
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Abstract
A method for forming a composite elastic material. An elastic member having at least one elastic strand is fed onto a rotating forming structure exhibiting a multiplicity of apertures therein. The elastic member has a surface facing the forming structure and another surface facing away from the forming structure. A thermoplastic film is extruded onto the surface of the elastic member facing away from the forming structure. A pneumatic vacuum is applied to the thermoplastic film and the elastic member so that the thermoplastic film is simultaneously apertured and bonded to the elastic member thereby forming a breathable composite elastic material.
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