Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element – Having resilient securing structure on shank
Patent
1985-10-03
1987-06-30
Smith, Gary L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element
Having resilient securing structure on shank
411 82, 24683, F16B 1900
Patent
active
046767070
ABSTRACT:
A thermoplastic fastener having a slight taper, is friction welded to a thermoplastic workpiece. A system for friction welding the fastener includes a way of automatically stopping rotation of the fastener while contact pressure between the fastener and the workpiece is maintained.
REFERENCES:
patent: 3283050 (1966-11-01), Boggs
patent: 3468732 (1969-09-01), Hewitt
patent: 3580793 (1971-05-01), Hewitt
patent: 3822821 (1974-07-01), Clarke
patent: 3916756 (1975-11-01), Yoda
patent: 4075820 (1978-02-01), Standley
Cearlock Steven V.
Kunos Gene S.
Peterson Francis C.
Buckman Thomas W.
Illinois Tool Works Inc.
Mondul Donald D.
O'Brien John P.
Smith Gary L.
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