Structural bearing element

Details Structural bearing element Structural bearing element

1989-12-20

1992-06-09

Melius, Terry L.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

Having nonmetallic component

474190, 474197, 264 467, F16H 5548

Patent

active

051202794

ABSTRACT:
A plastic element with an outer surface defining a running surface, particularly for a belt or chain, arranged at the outer circumference of a metallic insert designed as a rolling or sliding bearing, consisting of a polymeric plastic material hardened after polymerization produced in a mold comprising adding an expanding agent to the polymeric plastic material by mixing, inserting the metallic insert into the mold, filling the mold with polymeric plastic material containing an expanding agent at a low pressure compared to injection molding pressures, allowing the polymeric plastic material to expand by action of the expanding agent to the outer surface of the metallic insert and to the mold to form the running surface and hardening the polymer plastic material.

REFERENCES:
patent: 3978181 (1976-08-01), Vahle
patent: 3991146 (1976-11-01), Barrie
patent: 4217944 (1980-08-01), Pascal
patent: 4571226 (1986-02-01), Molloy et al.
patent: 4707408 (1987-11-01), Iwasawa et al.
patent: 4717370 (1988-01-01), Rohrig
patent: 4722722 (1988-02-01), Rampe
patent: 4820246 (1989-04-01), Allen

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