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:
Dec. 02, 1997
Filed:
Sep. 16, 1996
Satoshi Iwatsu, Tokyo, JP;
Tatsuo Shimizu, Koriyama, JP;
Hideya Takahashi, Koriyama, JP;
Yosuke Kita, Tokyo, JP;
Kiyoshi Katayama, Koriyama, JP;
Etsuo Ogami, Kanagawa-ken, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A nonaqueous electrolytic secondary battery has a seal whose transparency and permeability with respect to external gas or moisture can be suppressed to a low level and which has high reliability. The nonaqueous electrolytic secondary battery has an electrolytic solution injection port (32) for injecting a nonaqueous electrolytic solution and an expansion plug (4) for air-tightly sealing the electrolytic solution injection port. A metal seal (2) is arranged between the electrolytic solution injection port (32) and the expansion plug (4). The metal seal (2) is of a metal containing aluminum as a main component, or a stainless steel, and the expansion plug (4) is of stainless steel.