Cutting by use of rotating axially moving tool – Tool or tool with support – Having axial – core-receiving central portion
Patent
1984-04-05
1986-03-04
Peters, Jimmy C.
Cutting by use of rotating axially moving tool
Tool or tool with support
Having axial, core-receiving central portion
408206, 408223, B23B 5104
Patent
active
045738386
ABSTRACT:
A hole cutter having a generally cylindrical cutter body provided around its lower end with a plurality of first cutting teeth each having a plurality of cutting edges, and a plurality of second cutting teeth adapted to scrape a surface cut by the first cutting teeth.
REFERENCES:
patent: 3765789 (1973-10-01), Hougen
patent: 3860354 (1975-01-01), Hougen
patent: 4400119 (1983-08-01), Clement
Ohmi Shohei
Omi Takashi
Omi Kogyo Co. Ltd.
Peters Jimmy C.
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