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. 03, 2019
Filed:
Mar. 10, 2016
Sanyo Electric Co., Ltd., Daito-shi, Osaka, JP;
Kazutoshi Kohira, Osaka, JP;
Kyosuke Miyata, Osaka, JP;
Oose Okutani, Hyogo, JP;
Shuji Sugimoto, Hyogo, JP;
Tomohiko Yokoyama, Osaka, JP;
Shinya Geshi, Osaka, JP;
SANYO Electric Co., Ltd., Daito-shi, JP;
Abstract
A cylindrical battery having a sealing unit which includes at least a valve member, a metal plate disposed farther inside the battery than the valve member and having a joint portion connected to the valve member, and an annular insulating member disposed between an outer peripheral portion of the valve member and an outer peripheral portion of the metal plate. The metal plate has a groove-shaped thin portion disposed around the joint portion, and straight portions that have different angles to the normal to the metal plate are disposed on an inner peripheral side and an outer peripheral side of a cross section of the thin portion perpendicular to the longitudinal direction.