Polygonal indexable cutting insert

- Valenite Inc.
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Description

FIG. 1 is a perspective view of an indexable cutting insert showing a first form of our new design;

FIG. 2 is a top plan view of the insert of FIG. 1;

FIG. 3 is a sectional view of the insert of FIG. 2 taken along line 3--3;

FIG. 4 is a top plan view of an indexable cutting insert showing a second form of our new design;

FIG. 5 is a top plan view of an indexable cutting insert showing a third form of our new design;

FIG. 6 is a perspective view of an indexable cutting insert showing a fourth form of our new design; and,

FIG. 7 is a top plan view of the insert of FIG. 6.

Referenced Cited
U.S. Patent Documents
D355661 February 21, 1995 Hessman et al.
D396479 July 28, 1998 Satran et al.
3882580 May 1975 Lundgren
4087193 May 2, 1978 Mundy
4318645 March 9, 1982 McCreery
4447175 May 8, 1984 Warren
4629371 December 16, 1986 Maeda et al.
5074720 December 24, 1991 Loqvist et al.
5147158 September 15, 1992 Riviere
5230591 July 27, 1993 Katbi et al.
5383750 January 24, 1995 Satran et al.
5544984 August 13, 1996 Pantzar
Patent History
Patent number: D409633
Type: Grant
Filed: Aug 24, 1998
Date of Patent: May 11, 1999
Assignee: Valenite Inc. (Madison Heights, MI)
Inventors: Thomas Bernadic (Madison Heights, MI), David Coffman (Warren, MI), Sanjay Sarnaik (Sterling Hts., MI)
Primary Examiner: Antoine Duval Davis
Attorney: Mary K. Cameron
Application Number: 0/92,609
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1504;