Low friction, wear resistant plastic parts

Details Low friction, wear resistant plastic parts Low friction, wear resistant plastic parts

1988-10-12

1990-05-01

Dees, Jose

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

92248, 428 345, 428 357, 428446, 428524, 428688, B32B 1702, F16J 100

Patent

active

049217364

ABSTRACT:
Plastic molded articles having low friction and excellent wear resistance are produced by treating the surface of the plastic article with an aqueous solution of an inorganic fluoride such as hydrogen fluoride. Plastic articles which can be made in accordance with the invention include plastic brake pistons, bearings, motors and drives, commutators, slip ring alternators for DC drive motors, thrust washers, spacers and reactors, clutch plates, electrical switching equipment with sliding parts, gears, pulleys for belt drives, such as cog belt pulleys, V-belt pulleys and poly V-belt pulleys, gas meter discs, and the like. In addition to the treatment step, the plastic articles are neutralized, washed and dried.

REFERENCES:
patent: 3266963 (1966-08-01), Stearns
patent: 3992221 (1976-11-01), Homsy et al.
patent: 3997935 (1976-12-01), Porter et al.
patent: 4170926 (1979-10-01), Emmett
patent: 4298424 (1981-11-01), Terada et al.
patent: 4401012 (1983-08-01), Emmett
patent: 4775557 (1988-10-01), Bastenbeck et al.

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