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:
Jan. 26, 2016
Filed:
Aug. 29, 2011
Kenta Fukatsu, Fujisawa, JP;
Tomohiro Matsui, Kitakyushu, JP;
Tatsuya Nishi, Yokohama, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Abstract
According to one embodiment, a sealed secondary battery is provided with a container body having an opening and accommodating an electrode assembly and an electrolyte, a sealing plate which seals the opening of the container body, the sealing plate having an injection hole which is formed penetrating the sealing plate and through which the electrolyte is injected into the container body, and a sealing body positioned with an annular vacant space above a surface region of the sealing plate around the injection hole therein and welded at a peripheral edge portion thereof to the sealing plate, thereby sealing the injection hole.