The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 19, 1982
Filed:
Jul. 18, 1980
Applicant:
Inventor:
Yosef Yerushalmy, Florence, SC (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191 / ; 2191 / ; 2191 / ; 2191 / ;
Abstract
In combination, a plasma arc torch having an electrode structure adapted to be connected to a power supply for establishing a transferred plasma arc between the electrode structure and a workpiece and a nozzle assembly for constricting the plasma arc wherein the nozzle assembly comprises a first and second arc constricting passageway separated by a water chamber with the length of each passageway and the length of the water chamber being defined by a predetermined relationship to optimize the cutting speed and to minimize sensitivity to torch stand off.