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:
Sep. 17, 2019
Filed:
Oct. 20, 2015
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Noriyuki Matsuoka, Osaka, JP;
Atsuhiro Kawamoto, Hyogo, JP;
Junji Fujiwara, Osaka, JP;
Kaito Matsui, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 9/10 (2006.01); B23K 33/00 (2006.01); B23K 9/09 (2006.01); B23K 9/073 (2006.01); B23K 9/12 (2006.01);
U.S. Cl.
CPC ...
B23K 9/092 (2013.01); B23K 9/073 (2013.01); B23K 9/09 (2013.01); B23K 9/093 (2013.01); B23K 9/12 (2013.01); B23K 9/125 (2013.01);
Abstract
In controlling an arc welding of consumable electrode type in which pulse welding and short-circuit welding alternately repeat, forward feeding and backward feeding of a welding electrode periodically repeat in a short-circuit welding period. The forward feeding of the welding electrode starts when a welding current is smaller than a base current immediately before a pulse period ends.