Honda Motor Co., Ltd.

Honda Giken Kogyo Kabushiki Kaisha

Shinya Kawachi

Tadashi Nishiyama

Keisuke Andou

Daisuke Okonogi

Mikihiko Kimura

Naoyuki Enjoji

Hideaki Kikuchi

Keisuki Andou

An injection-molding method made up of a step of preparing a first die (), a second die () and a third die (), a step of sandwiching a separator proper () with the first die () and the second die (), a step of molding a front side molded layer () by injecting silicone rubber () into the front side cavity () through a gate (), a step of replacing the second die () with a third die () while the front side molded layer () is still soft, and a step of molding a rear side molded layer () by piercing the front side molded layer () with an injection pressure injecting the silicone rubber () through the gate () and filling a rear side cavity () with silicone rubber () through the through hole ().

Injection-molding method and apparatus

An injection-molding method including preparing a first die, a second die and a third die, sandwiching a separator proper with the first die and the second die, molding a front side molded layer by injecting silicone rubber into the front side cavity through a gate, replacing the second die with a third die while the front side molded layer is still soft, and molding a rear side molded layer by piercing the front side molded layer with an injection pressure injecting the silicone rubber through the gate and filling a rear side cavity with silicone rubber through the through hole.

Method and device for injection molding

A fuel cell separator is provided which has in a peripheral part () gas passages () for guiding reaction gases and reaction product passages () for guiding a reaction product. The separator () is made up of a central part () made of metal, a peripheral part () made of a resin material, and an elastic member () connecting the central part and the peripheral part together. As a result of the peripheral part being made of a resin material, the gas passages and product passages are resistant to corrosion.

Separator for fuel cell

Growing community of inventors

Sayama, Japan

Shinya Kawachi