WATER VAPOR PERMEABLE, WATERPROOF TEXTILE LAMINATE AND METHOD FOR PRODUCTION THEREOF
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United States of America Patent
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Issued Date -
Dec 11, 2014
app pub date -
Jun 6, 2014
filing date -
Jun 7, 2013
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Abstract
A water vapor permeable, waterproof textile laminate, comprising at least two layers made of planar web material, which are disposed on top of each other and bonded to each other, wherein an open fabric web comprising polymer fiber threads forms a top tier and a film-like, water vapor permeable, waterproof thermoplastic membrane web forms a bottom tier. The polymer fiber threads of the fabric web comprise raised thread regions, which are held bearing against the membrane web and/or are partially fused into the membrane web, wherein the membrane web comprises integral fusion areas with the raised thread regions, which are generated according to the invention by way of laser light in a laser transmission welding method.
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