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. 08, 1988
Filed:
Nov. 25, 1987
Toyoji Machida, Sumoto, JP;
Satoshi Narukawa, Sumoto, JP;
Akiyoshi Sakai, Sumoto, JP;
Nobuhiro Nagao, Mihara, JP;
Yoshihiro Tobita, Sumoto, JP;
Kanji Urushihara, Sumoto, JP;
Hitoshi Nakashima, deceased, late of Sumoto, JP;
Sanyo Electric Co., Ltd., , JP;
Abstract
The present invention relates to a sealed type battery provided with a safety valve and a method of manufacturing the same, the sealed type battery of the present invention has a mouth-sealing plate, provided with the safety valve, serving as a terminal of one polarity, being arranged through an insulating member in a hole of a metallic cover closing an opened portion of an exterior can serving as a terminal of the other polarity, and an extension of a hole edge of the metallic cover being cramped to the insulating member to fix said mouth-sealing plate, whereby the cramping diameter can be reduced in comparison with that of the conventional battery, and as a result, the high hermeticity can be given to the battery and the electrolyte can be completely prevented from leaking.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile