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:
May. 19, 2015
Filed:
Mar. 11, 2011
Applicants:
Koji Sato, Chiba, JP;
Masashi Yamada, Chiba, JP;
Shunji Watanabe, Chiba, JP;
Kumi Tachibana, Chiba, JP;
Inventors:
Koji Sato, Chiba, JP;
Masashi Yamada, Chiba, JP;
Shunji Watanabe, Chiba, JP;
Kumi Tachibana, Chiba, JP;
Assignee:
SEIKO INSTRUMENTS INC., Chiba, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/08 (2006.01); H01M 2/04 (2006.01); H01M 2/02 (2006.01);
U.S. Cl.
CPC ...
H01M 2/0413 (2013.01); H01M 2/0222 (2013.01); H01M 2/0482 (2013.01); H01M 2/08 (2013.01);
Abstract
Provided is a gasket for an electrochemical cell, which has good sealing performance and is capable of improving productivity of the gasket, and an electrochemical cell. A gasket () for an electrochemical cell, which is made of a resin and has an annular shape including an outer wall and an inner wall, includes a plurality of annular salient portions () formed on an inner side surface of the outer wall.