Friction material and method of manufacturing such material

Details Friction material and method of manufacturing such material Friction material and method of manufacturing such material

1992-08-17

1993-12-07

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523153, 523155, 523156, 523157, 524447, 524449, 524451, 524495, C08J 514, C08K 320, C08K 304

Patent

active

052683982

ABSTRACT:
A friction material is so manufactured that a hygienic environment can be maintained while simultaneously reducing the brake noise without reducing the friction coefficient of the brake pads made of the present material. The friction material is granulated or agglomerated by a first binder which binds one or more inorganic substances having a plane netlike crystal structure into granules which are deformed so that the particles have a flat particle orientation in the resulting granules. The flat particle orientation is achieved by the application pressure and/or heat during the formation. The granules are then embedded in a second binder forming a fibrous matrix for forming the brake pad material. The inorganic substance or substances forming the particles having the plane netlike crystal structure, promote a microseparation in the friction surface in response to the application of a brake force. The microseparation effectively prevents brake noise.

REFERENCES:
patent: 4388423 (1983-06-01), Kaufman et al.
patent: 4403047 (1983-09-01), Albertson
patent: 4678818 (1987-07-01), Nakagawa et al.
patent: 4735975 (1988-04-01), Iwata et al.

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