Patent Number: 8,815,440

Title: Battery cover member

Abstract: A battery cover member (10) of the present invention includes a metallic electrode terminal (40), a metallic cover member (30) having through holes (32), and an insulating resin member (50), in which the electrode terminals inserted into the through hole and the cover member are integrally bonded together by the insulating member, wherein at least a sealing area (70) of the electrode terminal that adheres to the insulating member is formed as a columnar shape or an elliptically columnar shape.

Inventors: Kameda; Yoshiaki (Aichi-ken, JP), Uchida; Yasunori (Aichi-ken, JP), Ota; Tadanobu (Toyota, JP), Yamazaki; Hikohito (Toyota, JP), Harayama; Takashi (Toyota, JP)

Assignee: Toyoda Gosei Co., Ltd.

International Classification: H01M 2/22 (20060101)

Expiration Date: 8/26/12018