Resistance welding electrode

- The Nippert Company
Description

FIG. 1 is a bottom perspective view of a resistance welding electrode showing my new design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a bottom perspective view of a second embodiment of my new design;

FIG. 7 is a top perspective view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof; and

FIG. 10 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D269617 July 5, 1983 Nippert
2138388 November 1938 Platz
2250645 July 1941 Meadowcroft
2409531 October 1946 Bennett
2418781 April 1947 Lewis
2440463 April 1948 Cornwall
2468647 April 1949 Watter
2502876 April 1950 Mullen
2761953 September 1956 Kerr
2780718 February 1957 Mullen
2829239 April 1958 Boretti
3909581 September 1975 Stone et al.
Foreign Patent Documents
493946 June 1950 BEX
54636 May 1977 JPX
Patent History
Patent number: D290807
Type: Grant
Filed: Aug 13, 1984
Date of Patent: Jul 14, 1987
Assignee: The Nippert Company (Delaware, OH)
Inventor: Russell A. Nippert (Columbus, OH)
Primary Examiner: Susan J. Lucas
Assistant Examiner: C. E. Heflin
Law Firm: Killworth, Gottman, Hagan & Schaeff
Application Number: 6/640,282
Classifications
Current U.S. Class: D 8/30; Heat Treatment, Welding Or Brazing (D15/144)