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:
Nov. 14, 2017
Filed:
Aug. 05, 2015
Fdk Tottori Co., Ltd., Tottori, JP;
Satoshi Sunada, Tottori, JP;
Takahide Kobashi, Tottori, JP;
Yoshie Fujita, Tottori, JP;
Nobuhiro Nishiguchi, Tokyo, JP;
FDK Corporation, Tokyo, JP;
Abstract
There is provided a sealed battery having excellent corrosion resistance and sealing performance. The sealed batteryincludes a battery jacket canhaving a bottom and being in a cylindrical or polyhedral shape. The battery jacket canalso serves as a collector of one of the electrodes. The battery jacket canhas an opening pointing upwards and accommodates active parts (and). The opening is sealed by a sealing partthat includes a flat metal sealing plate, a gasketmade of an insulator, and a terminal partof the other electrode. In the sealing part, the terminal part is attached to the sealing plateusing the gasket. The sealing plate has a planar shape that matches a shape of the opening of the battery jacket can. The sealing plate is in a saucer shape whose edge section is bent upwards. An upper end of the edge section of the sealing plate is laser-welded to an upper end of the battery jacket can while the sealing plate being inserted inside the opening of the battery jacket can. The battery jacket can is made of ferritic stainless steel to which Tin (Sn) is added.