PTFE conveyor belt
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United States of America Patent
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Mar 9, 2010
Grant Date -
May 15, 2008
app pub date -
Oct 24, 2007
filing date -
Nov 13, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A method of manufacturing an endless conveyor belt comprises providing a flexible web in the form of a PTFE cross film laminate which in its as laminated state has a first length and a first lengthwise yield strength. The web is prestressed by lengthwise stretching to a second length greater than its as laminated first length to thereby achieve a second lengthwise yield strength greater than its as laminated first lengthwise yield strength. The ends of the prestressed web are then interconnected.
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