Toyota Jidosha Kabushiki Kaisha

Masao Takano

Kazuyuki Kusama

Toshinori Okura

Yuta Nemoto

Tomohiro Ono

Youichi Naruse

Rika Shimazaki

Kaito Matsubara

Naoto Kagami

A region of a hole-inner circumferential surface composing a portion defining a terminal through-hole, the region being located on the battery case cover side, include a tapered surface gradually enlarged in diameter as extending toward the battery case cover side and opening toward the battery case cover side; when riveting is carried out, a region of a shaft portion, the region being located inward of the tapered surface, is enlarged in diameter so as to form an annular projecting portion in contact with the tapered surface; and a hole circumferential portion located around the portion defining the terminal through-hole is held between the external enlarged-diameter portion and the annular projecting portion so as to fix a first terminal member to a second terminal member.

Hermetically sealed battery and manufacturing method for hermetically sealed battery

Growing community of inventors

Okazaki, Japan

Masao Takano