Friction materials and their manufacture

Details Friction materials and their manufacture Friction materials and their manufacture

1986-12-19

1988-10-04

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, 523155, 523156, 523158, 264 86, 264 87, C08J 514, C08K 702, C08L 6106, F16D 6902

Patent

active

047757051

ABSTRACT:
Non-asbestos brake pads made of reinforcing, temperature resistant, web-forming fibers such as aromatic polyamide pulp, optionally including other fibers and friction and wear modifiers is described. The brake pads have an actual density not greater than 88% and not less than a 60% theoretical density. The pads are made by the slurry process in which the pad-forming constituents are fed as a slurry into a mold, dewattered and compressed, dried to a preform then heated and pressed to consolidate the preform to substantially the finished density without completely curing the binder. The consolidated pad is then baked to fully cure the binder.

REFERENCES:
patent: 4118528 (1978-10-01), Lowry
patent: 4349595 (1982-09-01), Trainor et al.
patent: 4374059 (1983-02-01), Wagner
patent: 4386168 (1983-05-01), Fujimaki et al.
patent: 4394211 (1983-02-01), Gallagher 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), Deters

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