Asbestos-free friction materials

Details Asbestos-free friction materials Asbestos-free friction materials

1983-03-21

1984-10-16

Bell, James J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

428283, 428288, 428290, 428323, 428426, 428702, 523156, C08F21234

Patent

active

044776055

ABSTRACT:
A pad-type friction material containing an inorganic fibrous material, a binder, zinc oxide and molybdenum sulfide. It contains no asbestos. The preferred fibrous material is wollastonite or a mixture of wollastonite and glass.

REFERENCES:
patent: 2394783 (1946-02-01), Keller et al.
patent: 3007890 (1961-11-01), Twiss et al.
patent: 3494884 (1970-02-01), Kraft
patent: 3725334 (1973-04-01), Popp et al.
patent: 4197223 (1980-04-01), Bartram
patent: 4320823 (1982-03-01), Covaleski

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