Plastic composite fastener for self-cutting and frictional weldi

Details Plastic composite fastener for self-cutting and frictional weldi Plastic composite fastener for self-cutting and frictional weldi

1995-12-19

1998-02-03

Saether, Flemming

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Threaded fastener locked to a discreet structure

Design of fastener or substructure restricts rotation

411902, 411179, 411 29, F16B 3706

Patent

active

057137064

ABSTRACT:
A plastic composite fastener capable of cutting its own hole in a resin composite panel and friction welding itself to be flush with the outer surface of the resin panel is provided. An inner metal core member can be provided with at least one cutting edge member extending from the core member. An outer plastic sheath member having an annular flange is fastened to and extends about the inner metal core member. The cutting edge member is exterior of the plastic sheath member at one end of the fastener insert unit and is configured to cut a hole in the resin panel, while the annular flange is configured to friction weld to a resin panel surface.

REFERENCES:
patent: 2832616 (1958-04-01), Morse
patent: 3385154 (1968-05-01), Miklos
patent: 3750518 (1973-08-01), Rayburn
patent: 3842486 (1974-10-01), Gerard
patent: 3964531 (1976-06-01), Schenk
patent: 4212610 (1980-07-01), Weidlich
patent: 4629380 (1986-12-01), Gunkel
patent: 4752171 (1988-06-01), Pliml
patent: 4817264 (1989-04-01), Worthing
patent: 4920833 (1990-05-01), Rosenthal

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