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:
Nov. 24, 1998
Filed:
Aug. 02, 1996
Applicant:
Inventor:
Michael Baumgartner, Rekingen, CH;
Assignee:
Elpatronic AG, Zug, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ;
U.S. Cl.
CPC ...
219 81 ; 219 64 ; 219 83 ; 219110 ;
Abstract
For welding sheet-metal blanks coated with electrically conductive material, the thickness of the coating is measured with a measurement device. The welding current source controls the welding current I as a function of the film thickness reading obtained, to keep the power input into the weld zone essentially constant.