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:
Mar. 24, 1987
Filed:
Sep. 25, 1985
Applicant:
Inventor:
Paul Opprecht, Bergdietikon, CH;
Assignee:
Elpatronic AG, , CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
219 82 ; 219 861 ; 219 8625 ; 219 867 ;
Abstract
For the welding of tongues (12) onto rupturable can members (10) of tin plate, a pair of welding electrodes (20, 22) is provided which are movable cyclically towards and away from one another and are additionally movable cyclically transversely to this movement in such a manner that successive spot welds are carried out by different portions of electrode.
Opprecht, Paul. (1987). Apparatus for the spot welding of coated sheet-metal members (U.S. Patent No. 4652720). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4652720
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile