Cutting by use of rotating axially moving tool – Tool or tool with support – Having stepped cutting edges
Patent
1989-02-21
1990-04-17
Howell, Daniel
Cutting by use of rotating axially moving tool
Tool or tool with support
Having stepped cutting edges
408233, 408713, B23B 5110
Patent
active
049175505
ABSTRACT:
Tooling to form a countersink and counterbore in a workpiece includes:
REFERENCES:
patent: 897041 (1908-08-01), Weller
patent: 1017352 (1912-02-01), Wagner
patent: 1131871 (1915-03-01), Spoehr
patent: 2811054 (1957-10-01), Townsend
patent: 2829544 (1958-04-01), Bergstrom
patent: 2937545 (1960-05-01), Rauer et al.
patent: 3712753 (1973-01-01), Manzi
Briles Rivet Corporation
Haefliger William W.
Howell Daniel
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