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.

Date of Patent:
Apr. 24, 1979

Filed:

Jan. 26, 1977
Applicant:
Inventors:

Peter Hirsch, Aachen-Laurenzberg, DE;

Bernhard Wubbels, Borken, DE;

Rolf Schafer, Aachen, DE;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
219 731 ; 21913771 ;
Abstract

A method of and apparatus for welding sheet steel panels by submerged arc welding is described. By providing one or, depending on the thickness of the sheet steel panels, more than one pair of closely spaced wire electrodes in the weld gap with the simultaneous introduction of additional filler metal carrying no current, preferably in the form of a metal powder, disadvantages associated with known methods may be avoided.


Find Patent Forward Citations

Hirsch, Peter. (1979). Method of and apparatus for welding sheet steel panels (U.S. Patent No. 4151389). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4151389

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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