Plasma arc torch with angled head
Latest Thermal Dynamics Corporation Patents:
- Initiation of welding arc by restricting output
- Method and apparatus for recycling shield gas in a plasma arc torch
- High current electrode for a plasma arc torch
- SPLIT PHASE SYNCHRONIZATION OF WELDER/CUTTER INVERTER MODULES FOR RIPPLE IMPROVEMENT
- HIGH POWER FACTOR RECTIFIER/FILTER FOR THREE PHASE INPUT WELDER OR PLASMA CUTTER
Description
FIG. 1 is a perspective view of the plasma arc torch with angled head showing our new design;
FIG. 2 is an enlarged top plan view thereof;
FIG. 3 is an enlarged front elevational view thereof;
FIG. 4 is an enlarged right side elevational view thereof;
FIG. 5 is an enlarged left side elevational view thereof;
FIG. 6 is an enlarged rear elevational view thereof;
FIG. 7 is an enlarged bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D260846 | September 22, 1981 | Summers et al. |
D261476 | October 27, 1981 | O'Donnell et al. |
D279543 | July 9, 1985 | Pishkov et al. |
- New Equipment Digest/Jan. 1971 p. 63 Plasma Cutting Torches by Thermal Dynamics Corp., Thermal-Arc Plasma Cutting Torches, Models 4A, 5A and 7A. Thermal Arc PAK 3 brochure (Copywright 1983). Thermal Arc PAK 5 brochure (Copyright 1981). Thermal Arc PAK 10 brochure (Copyright 1981).
Patent History
Patent number: D302097
Type: Grant
Filed: Feb 3, 1986
Date of Patent: Jul 11, 1989
Assignee: Thermal Dynamics Corporation (West Lebanon, NH)
Inventors: Richard A. Spaulding (Hanover, NH), Pearl A. Grant (Grantham, NH)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Majestic, Parsons, Siebert & Hsue
Application Number: 6/823,858
Type: Grant
Filed: Feb 3, 1986
Date of Patent: Jul 11, 1989
Assignee: Thermal Dynamics Corporation (West Lebanon, NH)
Inventors: Richard A. Spaulding (Hanover, NH), Pearl A. Grant (Grantham, NH)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Majestic, Parsons, Siebert & Hsue
Application Number: 6/823,858
Classifications
Current U.S. Class:
D 8/30;
D 8/68