Friction materials and their manufacture

Details Friction materials and their manufacture Friction materials and their manufacture

1985-03-04

1987-05-05

Lieberman, Allan M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

192107M, 523152, 523156, 525 58, 525142, 525144, 525429, C08J 514, C08K 702, C08L 6106, F16D 6900

Patent

active

046633685

ABSTRACT:
A non-asbestos clutch facing has an actual density such that the facing is permeable to air. The clutch facing is preferably a moulded facing containing short reinforcing fibres and having an actual density not greater than 90% of theoretical.
The facing may be made by a technique in which a pre-form is prepared, moulded to the desired density and then cured under a pressure such as not to cause substantial further density change.

REFERENCES:
patent: 2553215 (1951-05-01), Schultz
patent: 4118528 (1978-10-01), Lowry
patent: 4150011 (1979-04-01), Searfoss et al.
patent: 4349595 (1982-09-01), Trainer et al.
patent: 4374059 (1983-02-01), Wagner
patent: 4374211 (1983-02-01), Gallagher et al.
patent: 4386168 (1983-05-01), Fujimaki et al.
patent: 4403047 (1983-09-01), Albertson
patent: 4465796 (1984-08-01), Leroy et al.
patent: 4476256 (1984-10-01), Hamermesh
patent: 4477605 (1984-10-01), Okubo et al.
patent: 4508855 (1985-04-01), Peters

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