B - Operations – Transporting – 21 – K
Patent
B - Operations, Transporting
21
K
76/20, 255/69
B21K 5/02 (2006.01) B23K 31/02 (2006.01) B23K 35/00 (2006.01) E21B 10/56 (2006.01)
Patent
CA 1248519
TITLE OF THE INVENTION A composite tool and a process for the production of the same ABSTRACT OF THE DISCLOSURE A composite tool with a higher bonding strength and higher heat resistance is provided comprising an insert of a hard material such as composite diamond or BN compacts and a support , of a hard metal or alloy such as steel and cemented carbides, having a larger volume than the insert, the insert and support being bonded by friction welding through an interlayer of a high strength metal or alloy such as Co and Ni with a thickness of at most 1 mm.
477715
Hara Akio
Nakai Tetsuo
Yazu Shuji
Riches Mckenzie & Herbert Llp
Sumitomo Electric Industries Ltd.
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