F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
188/218
F16D 65/04 (2006.01) F16D 65/06 (2006.01) F16D 69/02 (2006.01) F16D 69/04 (2006.01) F16D 69/00 (2006.01)
Patent
CA 1231647
ABSTRACT OF THE DISCLOSURE A composition railway brake shoe comprising a body of friction material including a binder having rubber and a thermosetting phenolic resin in which fillers and fibers are dispersed, a metal back plate for attaching the shoe to a railway car, and a backing strip interposed between the back plate and the body of friction material, the backing strip comprising a rubber binder having dispersed therein a high strength and temperature resistant aramid fiber ranging between about .3 to about 1.0 percent of the weight of the backing strip wherein the aramid has a tensile strength of 400,000psi and temperature resistance between about 420° - 500°F.
479926
Amsted Industries Incorporated
Borden Ladner Gervais Llp
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