Method of manufacturing large scale membranes for covering extremely large areas
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United States of America Patent
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Sep 29, 1992
Issued Date -
N/A
app pub date -
Dec 27, 1990
filing date -
Aug 15, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mechanically strong, airtight, watertight seam provides for joining two panels of industrial strength fabric or material. The inventive seam has two connection systems. One system is a mechanically strong structural connection which is used to make the seam as strong as the fabric panel material. A second system is an all plastic slide closure in the form of a zipper connection which overlies the structural connection, joins the panels into a single cover, and makes the seam airtight, watertight and maintenance free.
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