E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
51/145
E21B 10/46 (2006.01) B24D 99/00 (2010.01) B23B 27/14 (2006.01) B23P 5/00 (2006.01) B23P 15/28 (2006.01) B28D 1/00 (2006.01) B28D 1/18 (2006.01) E21B 10/56 (2006.01) E21C 35/18 (2006.01)
Patent
CA 1304583
A B S T R A C T A tool insert comprising an abrasive compact bonded to a cemented carbide support. The cutting edge of the tool is provided by the periphery of the compact. A plurality of circular, concentric recesses, each filled with abrasive compact material, extend into the cemented carbide support from the compact/carbide interface.
586428
de Beers Industrial Diamond Division (proprietary)
Gowling Lafleur Henderson Llp
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