Toyoda Gosei Co., Ltd.

Masashi Yamamoto

Hiroaki Kito

Yoshinari Hiramatsu

Atsushi Sekihara

Hitoshi Uchida

Noboru Hosoe

Masayuki Kajioka

A filler neck is equipped with a neck main body having a pipe shaped resin inner layer and resin outer layer, and a retainer made of metal mounted so as to cover the edge part of the neck main body. The resin inner layer and the resin outer layer are made of resin materials for which one layer has superior fuel permeability resistance to the other layer. The resin inner layer has a screw part for screwing into a screw part of a fuel cap on the inner wall of the resin inner layer. The retainer has a seal part for sealing between the gasket, and a round cylinder shaped outer circumference protector part. The lower end of the outer circumference protector part is on plane perpendicular to the center axis of the fuel path. The plane includes the screw part.

Growing community of inventors

Kiyosu, Japan

Masashi Yamamoto