Method for installing a roof fastener
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United States of America Patent
Stats
-
Jan 29, 1991
Issued Date -
N/A
app pub date -
Jul 25, 1989
filing date -
Aug 25, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of installing a roofing fastener including a screw and a stress plate into a multilayered roofing structure involves bonding the outer surface of the screw to the inner surface of the plate. Such a bond may be formed by spin welding as the screw is installed in the roofing structure. The fastener is thereby installed and bonded in the same operation. A fastener assembly useful in the foregoing method includes a screw and plate having welding surfaces made of a thermoplastic resin.
First Claim
Family
International Classification(s)
Cited Art Landscape
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