Method of attaching a friction lining to a reinforcing cup

Details Method of attaching a friction lining to a reinforcing cup Method of attaching a friction lining to a reinforcing cup

1976-05-04

1977-09-27

Smith, Al Lawrence

Metal fusion bonding

Process

With shaping

228 24, 228243, B23K 1900

Patent

active

040506193

ABSTRACT:
A method of attaching a sintered friction material to a steel reinforcing cup. The sintered friction material is loosely placed in the steel reinforcing cup. An electrical induction heater surrounds the reinforcing cup and rapidly raises the temperature of the reinforcing cup to a predetermined temperature. When the predetermined temperature is reached, the reinforcing cup and sintered friction material are immediately moved to a press before the temperature of the bulk of the sintered friction material is significantly changed by thermal conduction of heat from the steel cup to the friction material. A single compressive force is applied to the sintered friction material and the steel reinforcing cup to compact the sintered friction material to a predetermined density and to form a metallurgical bond along the entire interface between the friction material and the reinforcing cup.

REFERENCES:
patent: 3474523 (1969-10-01), Musso et al.
patent: 3639974 (1972-02-01), Finnegan
patent: 3900149 (1975-08-01), Paton et al.

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