Method for forming solid friction material structures

Details Method for forming solid friction material structures Method for forming solid friction material structures

1977-05-23

1979-02-06

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

Measuring a weight or volume

264 407, 264 68, 264111, 264122, 264323, 264325, B29C 304

Patent

active

041384636

ABSTRACT:
An improved method is provided for forming rigid friction material structures from dry friction material having as major constituent elements substantial quantities of both asbestos fiber and thermosetting resin, whereby release of asbestos fibers to the atmosphere is substantially eliminated. The improved method builds upon known molding and charge preforming techniques which have been practiced using apparatus available heretofore.

REFERENCES:
patent: 2647283 (1953-08-01), Quear
patent: 3334163 (1967-08-01), Gilbert
patent: 3505446 (1970-04-01), Griffith
patent: 3661485 (1972-05-01), Arpajian

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