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:
Apr. 13, 2004
Filed:
Dec. 11, 2000
Kenji Yamamoto, Neyagawa, JP;
Toshikazu Kaneko, Hirakata, JP;
Takeshi Okubo, Hirakata, JP;
Toshina Saeki, Nishinomiya, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
After a negative electrode current collector has been inserted into an insertion hole therein, a resin sealing element and negative electrode terminal plate are successively inserted into an aperture of a battery casing, and the aperture rim of battery casing is then bent inwards and crimped to seal aperture of battery casing. Sealing element is accommodated within battery casing in an arrangement facing negative electrode terminal plate, with resin injection gate corresponding to resin injection port of metal molds during resin molding thereof positioned at the aperture end of battery casing.