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:
Dec. 13, 1988
Filed:
Apr. 20, 1987
Applicant:
Inventors:
Walter A Nelson, Jr, Tinley Park, IL (US);
Gerald A Kraatz, Naperville, IL (US);
Assignee:
Ferranti Sciaky, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191251 ; 901 42 ;
Abstract
This invention relates to a machine for practicing the gas tungsten arc welding process which includes means for rotating the welding torch continuously while welding. Means are provided for feeding the shielding gases, feed wire and electric current to the rotating torch while welding. Means are also provided for tilting the torch about the point of welding. This invention makes it possible to weld continuously along a spiral path about a cylindrical object or on a flat or irregular surface.