High temperature self-locking threaded fastener

Details High temperature self-locking threaded fastener High temperature self-locking threaded fastener

1992-07-24

1994-10-18

Wilson, Neill R.

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

Having structure to restrict rotation of threaded, mating...

Comprising a thread lock

411258, 411903, F16B 3900, F16B 3934

Patent

active

053562542

ABSTRACT:
This invention describes self-locking threaded fasteners having a patch or patches of fused high-temperature-resistant resin adhered to a portion of the threads, providing self-locking capabilities at temperatures above 400.degree. F., well beyond the range of temperatures attainable using prior art patch materials such as nylon. A process for making such fasteners by spraying finely-divided high-temperature-resistant resin powder onto the threads of a fastener also is claimed.

REFERENCES:
patent: 3498352 (1970-03-01), Duffy
patent: 3568746 (1971-03-01), Faroni
patent: 3731724 (1973-05-01), Dorflinger
patent: 3746068 (1973-07-01), Deckert et al.
patent: 3893496 (1975-07-01), Wallace et al.
patent: 4081012 (1978-03-01), Wallace
patent: 4282913 (1981-08-01), Trimmer
patent: 4285378 (1981-08-01), Wallace
patent: 4325985 (1982-04-01), Wallace
patent: 4428981 (1984-01-01), Wallace
patent: 4508759 (1985-04-01), Wallace
patent: 4927307 (1990-05-01), Fitzgerald et al.
patent: 5122020 (1992-06-01), Bedi

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