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:
Apr. 04, 2017
Filed:
Apr. 17, 2012
Kazuyuki Kusama, Nagoya, JP;
Tomohiro Matsuura, Toyota, JP;
Takashi Harayama, Toyota, JP;
Yasushi Hirakawa, Moriguchi, JP;
Ichiro Murata, Settsu, JP;
Shinya Muroi, Kawagoe, JP;
Kazuyuki Kusama, Nagoya, JP;
Tomohiro Matsuura, Toyota, JP;
Takashi Harayama, Toyota, JP;
Yasushi Hirakawa, Moriguchi, JP;
Ichiro Murata, Settsu, JP;
Shinya Muroi, Kawagoe, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Kokoku Intech Co., Ltd., Taito-ku, Tokyo, JP;
Abstract
A hermetically sealed battery is provided with a sealing member for air-tightly sealing the through-hole of a battery case from the outside. The sealing member has: a covering member secured to the battery case from the outside; an insertion portion inserted into the through-hole; an annular pressure contact portion in air-tight pressure contact with the hole surrounding portion of the battery case; and a connecting portion disposed between the insertion portion and the annular pressure contact portion so as to be integral with the insertion portion and the annular pressure contact portion. The connecting portion is provided with an annular groove surrounding the insertion portion.