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:
Jan. 14, 2025
Filed:
Mar. 17, 2020
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Kazumichi Shimizu, Osaka, JP;
Abstract
A method for manufacturing a battery, includes: preparing a case having an opening at one end portion of the case and a bottom portion at another end portion of the case; preparing an electrode group including a first electrode, a second electrode, and a current collecting lead electrically connected to the first electrode; housing the electrode group in the case; and joining the current collecting lead to an inner surface of the case. The joining of the current collecting lead includes: pressing a pressing device having a tubular shape against the current collecting lead to cause the current collecting lead to contact the inner surface of the case; and welding the current collecting lead to the case while an inside of a tube of the pressing device is sucked by a suction device.