F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 69/00 (2006.01) B61H 1/00 (2006.01) F16D 65/04 (2006.01) F16D 65/06 (2006.01) F16D 69/04 (2006.01)
Patent
CA 2407936
A brake shoe for use on a railway vehicle for reconditioning a wheel tread surface during a normal braking application including a backing plate and a first friction material extending over the brake surface of such brake shoe. It further contains a second friction material, formed as a discrete insert molded into such first friction material. Such second friction material initially is completely embedded. One surface of the insert is incrementally exposed as the first friction type material is eroded away. Such second friction material exhibits abrasive properties and is bonded to such backing plate. A third friction material is disposed as another discrete insert imbedded in the first friction type material. One surface of the abrasive third friction material being disposed as part of the brake surface of the brake shoe.
Bowden Gary
Mccabe Thomas W.
Rumph Timothy
Shute Bruce W.
Macrae & Co.
Westinghouse Air Brake Technologies Corporation
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