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:
Aug. 20, 2013
Filed:
Jun. 16, 2010
Atsuhiro Kawamoto, Hyogo, JP;
Yasushi Mukai, Osaka, JP;
Junji Fujiwara, Osaka, JP;
Toshiyuki Mishima, Osaka, JP;
Masaru Kowa, Osaka, JP;
Atsuhiro Kawamoto, Hyogo, JP;
Yasushi Mukai, Osaka, JP;
Junji Fujiwara, Osaka, JP;
Toshiyuki Mishima, Osaka, JP;
Masaru Kowa, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
If a short circuit does not occur during deceleration of a wire feed speed in forward feed of a welding wire before the wire feed speed reaches a predetermined wire feed speed, a cyclic change is stopped and the wire feed speed is constantly controlled at the first feed speed. If a short circuit occurs during forward feed at the first feed speed, deceleration from the first feed speed starts, and the cyclic change is resumed for welding. This achieves uniform weld bead without increasing spatters even if any external disturbance such as change of distance between a tip and base material occurs.