Self locking fastener

Details Self locking fastener Self locking fastener

1990-04-23

1992-06-16

Wilson, Neill R.

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

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

Comprising a thread lock

411310, 411902, 470 12, 470 2I, F16B 3930, F16B 3934

Patent

active

051220202

ABSTRACT:
Reusable self locking fasteners, and methods of making the same wherein the self-locking characteristic is derived from a metallurgically bonded metal patch comprising a metal or metal alloy selectively applied to a specific region of the threaded surface of the metal fastener in a metal paste or powder form and fusing the same under heat. The metallic patch so achieved may comprise a single metal or metal alloy or a composite of metals or metal alloys selectively and metallurgically bonded to the threaded surface of the metal fastener by single or multiple metal paste or metal powder applications.
The convex/concave curve of the fused metal having a radial thickness,

REFERENCES:
patent: 3498352 (1970-03-01), Duffy
patent: 3552467 (1971-01-01), Bergere
patent: 3568746 (1971-03-01), Faroni et al.
patent: 3731724 (1973-05-01), Dorflinger
patent: 3818525 (1974-06-01), Bedi
patent: 4023224 (1977-05-01), Frailly
patent: 4033393 (1977-07-01), Bedi
patent: 4060116 (1977-11-01), Frailly

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