Aisin Seiki Kabushiki Kaisha

Aisin Corporation

Toyota Jidosha Kabushiki Kaisha

Toyota Boshoku Kabushiki Kaisha

Tomoko Kanbara

Ryosuke Mizuno

Satoshi Masuda

Tomokazu Seki

Tsuyoshi Yamamoto

Makoto Sakai

Yuki Fujii

Takashi Ogiso

Junichi Munechika

Yasuhito Kurematsu

Masaaki Hasegawa

Noriko Fujii

Norie Umehara

A method for manufacturing an air bag includes forming a bag portion surrounded by a welded portion extending in an annular shape by pressing at least one welding mold against two sheet materials arranged to be stacked from a stacking direction of the sheet materials. The welding mold is pressed against the sheet materials to form the welded portion including a welding bead portion protruding to an inside of the bag portion between the sheet materials. A pressing surface of the welding mold against the sheet materials is provided with a slope portion facing in the stacking direction of the sheet materials and in a direction of the inside of the bag portion at a position further on an outside of the bag portion than a position at which the welding bead portion is formed.

Method for manufacturing air bag, air bag, and vehicle seat apparatus

An air bag includes a bag portion formed by bonding two sheet members together. The bag portion includes an expansion portion including an annular joining portion extending in an annular shape, and a passage portion including a pair of parallel linear joining portions and connected to the expansion portion. Air filled in the bag portion flows through an internal space of the expansion portion surrounded by the annular joining portion and a passage sandwiched between the linear joining portions defining the passage portion. At a connection portion between the expansion portion and the passage portion, the linear joining portions extend in parallel, or the linear joining portions extend so as to expand toward a deep side of the passage from an opening position of the passage with respect to the internal space of the expansion portion.

Air bag and vehicle seat device

An airbag includes: a welding portion that bonds peripheral edges of a pair of sheet portions to each other to form a bag shape, in which the airbag is formed to have a pair of holding portions that holds a held body portion therebetween, and at least one of the two sheet portions is formed with a pair of melting portions extending in directions away from mutually facing portions of the two holding portions in the welding portion.

Airbag and support device

A seat device includes a seat cushion where a sitting person is seated, and a seatback configured to support the upper body of the sitting person. The seatback includes a seatback frame, a seatback pad placed on a front face of the seatback frame, and a seatback cover covering a surface of the seatback pad. A plurality of stretch airbags is provided in a part of the seatback at a position corresponding to the lumbar part of the sitting person, and the stretch airbags are configured to inflate and press a surface of the seatback to a direction approaching the sitting person. The stretch airbags are placed to overlap each other in a thickness direction of the seatback such that the seatback pad is sandwiched between the stretch airbags.

Seat device

Growing community of inventors

Kariya, Japan

Tomoko Kanbara