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. 26, 1985
Filed:
Nov. 09, 1981
Applicant:
Inventors:
Jun Ukai, Aichi, JP;
Takao Shimizu, Aichi, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191 / ; 219 / ; 21912512 ; 21913051 ;
Abstract
In a pulse welding method, an optimum pulse current waveform defined by the amplitudes of the current pulse and base current and the width of the current pulse is maintained throughout the welding operation while the average welding current is varied by changing the frequency of the current pulse.