PTFE/fiberglass composite for use as a conveyor belt
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United States of America Patent
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Jun 3, 2014
Grant Date -
Mar 8, 2012
app pub date -
Aug 17, 2011
filing date -
Sep 8, 2010
priority date (Note) -
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Abstract
A PTFE/fiberglass composite for use as a conveyor belt comprises a fiberglass fabric having oppositely facing surfaces. The fabric has a structure defining a substantially uniform pattern of openings extending from one to the other of its major surfaces, with the average area of the individual openings being at least about 0.20258 mm2. PTFE films are laminated to the major surfaces of the fabric. The laminated films are interconnected by fluroropolymer ties extending through the fabric openings and are adhered to the major surfaces with a peel strength of between about 5-13 pli. The composite has a thickness of less than about 20 mils and a fiberglass content of less than about 25%.
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