Cutting tool insert

- Kennametal Inc.
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Description

FIG. 1 is a top and left side perspective view of a cutting tool insert showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view, taken from the right side;

FIG. 4 is a bottom plan view; and,

FIG. 5 is a cross sectional view taken along V--V in FIG. 2, thereof.

The undisclosed rear surface is the same in appearance as the sides shown.

Referenced Cited
U.S. Patent Documents
D275396 September 4, 1984 Porat et al.
D280514 September 10, 1985 Porat et al.
D291889 September 15, 1987 Pettersson et al.
3636602 January 1972 Owen
3733664 May 1973 McKelvey
3792514 February 1974 Ushijima
3968550 July 13, 1976 Gehri
4318644 March 9, 1982 Seidel
4318645 March 9, 1982 McCreery
4340324 July 20, 1982 McCreery
4359300 November 16, 1982 Hazra et al.
4411565 October 25, 1983 Hazra et al.
4507024 March 26, 1985 Stashko
4685844 August 11, 1987 McCreery et al.
4741649 May 3, 1988 Mori
4787784 November 29, 1988 Bernadi et al.
Foreign Patent Documents
0046511 February 1982 EPX
2252350 May 1973 DEX
52-35383 March 1977 JPX
Other references
  • "Sandvik Coromant's New Turning Generation," an advertisment, dated 1987. "Chip Control Inserts," an advertisement of Kennamental Inc., Published Feb. 1987.
Patent History
Patent number: D311010
Type: Grant
Filed: Jan 22, 1988
Date of Patent: Oct 2, 1990
Assignee: Kennametal Inc. (Latrobe, PA)
Inventor: Kenneth L. Niebauer (Raleigh, NC)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Jeffrey Asch
Attorney: Thomas R. Trempus
Application Number: 7/147,379
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)