Method of making self-locking fasteners

Details Method of making self-locking fasteners Method of making self-locking fasteners

1977-09-29

1978-10-17

Beck, Shrive P.

Coating processes

Solid particles or fibers applied

Uniting particles to form continuous coating with...

10 10P, 118308, 118314, 151 7, 427201, 427318, B05D 302, B05D 136

Patent

active

041209931

ABSTRACT:
The improved method of making a self-locking threaded element having a strongly adhered plastic body on its threaded surface providing strong frictional engagement between the element and a mating threaded surface in which fine particles of heat softenable plastic are applied against a heated threaded surface in a plurality of spaced successive portions in time and temperature controlled relation such that a first portion is softened by heat prior to application of a successive portion of the particles to aid in holding particles of successive portions to enable manufacture at a higher rate and/or at lower temperatures than heretofore practicable.

REFERENCES:
patent: 3416492 (1968-12-01), Greenleaf
patent: 3498352 (1970-03-01), Duffy
patent: 3554258 (1971-01-01), Duffy
patent: 3713862 (1973-01-01), Winkless
patent: 3720533 (1973-03-01), Gallagher
patent: 3787222 (1974-01-01), Duffy
patent: 3791842 (1974-02-01), Neal
patent: 3797455 (1974-03-01), Scheffer et al.
patent: 3894509 (1975-07-01), Duffy et al.
patent: 3896760 (1975-07-01), Duffy

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