METHOD OF HEAT SEALING WOVEN POLYPROPYLENE TYPE FABRICS
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United States of America Patent
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Issued Date -
Dec 11, 2014
app pub date -
Jun 5, 2014
filing date -
Jun 5, 2013
priority date (Note) -
Abandoned
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Abstract
A method of joining highly oriented polypropylene woven fabrics by the steps of coating the fabrics with materials that have a melting point that is lower than the melting point of the polypropylene fabrics to be joined together; heating the coating to its lower melting point; and joining the heated materials with pressure light enough to allow the coating to stay in place and generally not allowing the woven fabrics to touch.
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