Plasma cutting-welding torch head
Description
FIG. 1 is a perspective view looking at the front and one side of the cutting-welding torch head;
FIG. 2 is a side elevation of the cutting-welding torch head, looking at the opposite side of that shown in FIG. 1;
FIG. 3 is a front elevation thereof;
FIG. 4 is a rear elevation thereof.
Referenced Cited
U.S. Patent Documents
D199651 | November 1964 | Sundberg |
2794898 | June 1957 | Gibson |
2797306 | June 1957 | Qualey |
3042791 | July 1962 | Reeh |
3061709 | October 1962 | Hill |
3104310 | September 1963 | Moss |
4002878 | January 11, 1977 | Disney |
Patent History
Patent number: D260846
Type: Grant
Filed: Feb 5, 1979
Date of Patent: Sep 22, 1981
Inventors: John E. Summers (Charlotte, NC), Hiroshi Tanida (Sakuragawa, Naniwa-Ku, Osaka)
Primary Examiner: Veronica O'Keefe
Attorney: Clifton T. Hunt
Application Number: 6/9,534
Type: Grant
Filed: Feb 5, 1979
Date of Patent: Sep 22, 1981
Inventors: John E. Summers (Charlotte, NC), Hiroshi Tanida (Sakuragawa, Naniwa-Ku, Osaka)
Primary Examiner: Veronica O'Keefe
Attorney: Clifton T. Hunt
Application Number: 6/9,534
Classifications
Current U.S. Class:
D 8/30;
D 8/14;
D 8/98;
219/121PM;
219/121PP;
219/121PC;
219/121PR;
Gas Supply (e.g., By Ingredient Of Electrode, By External Source) (219/74);
Nonconsumable Electrode (e.g., Atomic Hydrogen) (219/75);
D23/17
International Classification: D0805;
International Classification: D0805;