Title:
Method of making rock bit cutter
United States Patent 3003370
US Patent References:
Heat treatment of steel
- - 2266565
Method of treating cutter teeth
- - 2407642
Cutting tool and method of making
- - 2660405
Heat treatment of steel
- - 2266565
Method of treating cutter teeth
- - 2407642
Cutting tool and method of making
- - 2660405
Inventors:
Coulter Jr., John B.
Publication Date:
10/10/1961
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Export Citation:
Assignee:
CHICAGO PNEUMATIC TOOL CO
Primary Class:
Other Classes:
175/374, 76/DIG.002, 76/108.100, 76/2, 148/319
International Classes:
B21K5/06; B23P15/28; B21K5/00