Helical end mill cutter
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Description
FIG. 1 is a side elevational view of a helical end mill cutter according to the pressent invention; and,
FIG. 2 is an end, perspective view thereof.
The lower portion of the helical end mill cutter of the present invention is essentially symmetrical and therefore the other side is not illustrated. The upper portion thereof is conical and substantially planar and therefore is not illustrated.
Referenced Cited
Patent History
Patent number: D339594
Type: Grant
Filed: Dec 4, 1990
Date of Patent: Sep 21, 1993
Assignee: Seco Tools AB (Fagersta)
Inventor: Bertrand Riviere (Bourges)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 7/622,805
Type: Grant
Filed: Dec 4, 1990
Date of Patent: Sep 21, 1993
Assignee: Seco Tools AB (Fagersta)
Inventor: Bertrand Riviere (Bourges)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 7/622,805
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
