Coating processes – Heat decomposition of applied coating or base material
Patent
1993-11-30
1994-12-13
Lusignan, Michael
Coating processes
Heat decomposition of applied coating or base material
192107M, 427386, 427387, B05D 302
Patent
active
053727932
ABSTRACT:
A process is described for manufacturing a friction ring for use in a clutch or brake. Said friction ring comprises a sintered friction lining that is provided on at least one peripheral surface of a conical or cylindrical carrying ring, which has been formed from a flat sheet metal blank after a coating comprising a sinterable powder mixture has been formed on the flat sheet metal blank. In order to permit a shaping of the sheet metal blank independently of the ductility of the sintered friction lining, it is proposed that the sinterable powder mixture for making the friction lining is mixed with an expellable synthetic resin binder before said mixture is applied to the flat sheet metal blank to form said coating, said coating is set, the sheet metal blank provided with said coating is shaped to form the friction ring when said coating has been set, and the friction lining is subsequently sintered while or after the synthetic resin binder is expelled at least in part.
REFERENCES:
patent: 5143192 (1992-09-01), Vojacek et al.
patent: 5249661 (1993-10-01), Kawamura et al.
Ammer Karl
Geissler Rudolf
Hartner Gerhard
Lusignan Michael
Miba Sintermetall Aktien-gesellschaft
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