Cutting tool insert

- Kennametal Inc.
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 an elevational view, taken from the right side;

FIG. 4 is a bottom plan view;

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

FIG. 6 is a cross sectional view taken along line VI--VI in FIG. 2 thereof.

Referenced Cited
U.S. Patent Documents
D305663 January 23, 1990 Niebauer
3733664 May 1973 McKelvey
3815191 June 1974 Holma
3973307 August 10, 1976 McCreery et al.
3975809 August 24, 1976 Sorice et al.
4056871 November 8, 1977 Bator
4259033 March 31, 1981 McCreery et al.
4465412 August 14, 1984 Zweekly
4685844 August 11, 1987 McCreery et al.
Foreign Patent Documents
2258448 August 1973 DEX
1241654 December 1960 FRX
831244 March 1960 GBX
Other references
  • Kennametal "Tools, tooling systems, and services for the global metalworking industry" catalog, A90-41(150)E1, p. 42 Insert VNGS, p. 19 Insert CNMG.
Patent History
Patent number: D337335
Type: Grant
Filed: Aug 22, 1991
Date of Patent: Jul 13, 1993
Assignee: Kennametal Inc. (Latrobe, PA)
Inventor: Kenneth L. Niebauer (Raleigh, NC)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Attorney: James G. Porcelli
Application Number: 7/752,223
Classifications