E - Fixed Constructions
02
F
E02F 9/28 (2006.01) B21K 5/00 (2006.01) E21C 35/183 (2006.01)
Patent
CA 2076437
Abstract of the Disclosure A breaking or excavating tool has a cutting insert mounted at the forward end of a tool body which is made of a softer material than the insert. A separately formed ring, made of harder material than the body is brazed to a front face of the body surrounding the insert to protect the tool body against wear.
Gowling Lafleur Henderson Llp
Sandvik Ab
LandOfFree
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