Cutoff insert

- Sandvik AB
Description

FIG. 1 is a front perspective view of a cutoff insert showing my new design;

FIG. 2 is a rear perspective view;

FIG. 3 is a front elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a left side elevational view;

FIG. 6 is a top plan view;

FIG. 7 is a rear elevational view; and,

FIG. 8 is a right side elevational view thereof.

FIGS. 1 and 2 have been drawn on an enlarged scale with respect to FIGS. 3-8 thereof.

Referenced Cited
U.S. Patent Documents
D275760 October 2, 1984 Cochran
D278716 May 7, 1985 Pano
D284011 May 27, 1986 Pano
D306032 February 13, 1990 Mihic
2677170 May 1954 Kuns et al.
4340325 July 20, 1982 Gowanlock
4778311 October 18, 1988 Niemi
4844668 July 4, 1989 Pettersson
4946319 August 7, 1990 Lyon et al.
4992007 February 12, 1991 Satran
4992008 February 12, 1991 Pano
5004378 April 2, 1991 Little
Foreign Patent Documents
2804072 August 1978 DEX
Other references
  • Teledyne Firth Sterling Cutting Tools, Atar Atal, Aug. 1981, pp. 44-48. Valenite, Total Capability Tooling Manual, TRG & TRH Styles, May 1984 p. 189. Kennam et al./81, Top Notch Threading and Grooving Inserts, .COPYRGT.1980, p. 34.
Patent History
Patent number: D329859
Type: Grant
Filed: Oct 10, 1989
Date of Patent: Sep 29, 1992
Assignee: Sandvik AB (Sandviken)
Inventors: Lars-Erik Gustafsson (Sandviken), Lars T. Pettersson (Glen Rock, NJ)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Burns, Doane, Swecker & Mathis
Application Number: 7/418,483
Classifications