Composition railroad friction material with synthetic fiber cont

Details Composition railroad friction material with synthetic fiber cont Composition railroad friction material with synthetic fiber cont

1979-04-16

1980-08-12

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

188251R, 188251A, 260 174BB, 260 174CL, 260 38, 260 4218, C08L 102, F16D 6900

Patent

active

042172551

ABSTRACT:
Composition railroad friction materials having low wear rates are characterized by the use of synthetic fiber and by the absence of lead and asbestos. These friction materials are particularly suitable for use in railroad brake shoes and contain, by approximate weight, 0.5-11% non-asbestos fiber, of which at least 0.5% is synthetic fiber, 66-81% filler and 14-21% organic binder.

REFERENCES:
patent: 3684062 (1972-08-01), Johnson
patent: 3907729 (1975-09-01), Burkey et al.
patent: 3922241 (1975-11-01), Barker et al.
patent: 3959194 (1976-05-01), Adelmann
patent: 3967037 (1976-06-01), Marzocchi et al.
C.A. vol. 83: 61074n, Less Abrasive Composition Railroad Brake Shoe Material, Adelmann.
C.A. vol. 85: 165565f, Glass-fiber-based friction material, Sasahara.
C.A. vol. 79: 80031e, Fiber Strengthened Friction Material, Augustin.

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