B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/157, 117/85
B32B 15/04 (2006.01) C22C 29/00 (2006.01) C23C 16/32 (2006.01) C23C 16/34 (2006.01) C23C 16/36 (2006.01) C23C 30/00 (2006.01)
Patent
CA 1083900
TITLE OF THE INVENTION SINTERED CEMENTED CARBIDE BODY COATED WITH THREE LAYERS ABSTRACT OF THE DISCLOSURE A triple coated cemented hard metal carbide product in which a cemented metal carbide substrate is coated with, first, a metal carbide coating, then, a metal carbo-nitride and, finally, a metal nitride coating so as to take advantage of the metal carbide and metal nitride properties in order to protect the cemented metal carbide substrate from corrosive atmospheres and abrasion due to frictional wear.
265602
Pochet Louis F.
Smith Emlyn N.
Gowling Lafleur Henderson Llp
Kennametal Inc.
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