Friction material for railroad brake shoes

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

26099813, 524594, 524407, C08L 6106

Patent

active

043527507

ABSTRACT:
A railroad brake shoe composition free of fiber reinforcement comprising, in percent by weight:

REFERENCES:
patent: 4051097 (1977-09-01), Aldreich
patent: 4178278 (1979-12-01), Reynolds
patent: 4219452 (1980-08-01), Littlefield

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