Fuji Jukogyo Kabushiki Kaisha

The Society of Japanese Aerospace Companies

Subaru Corporation

Yoji Arakawa

Seiichi Matsuoka

Hiroyuki Nakamura

Yasunori Sugihara

Munehito Kawakami

Yuka Iwai

The present invention relates to a tank for holding a cryogenic liquid. According to the present invention, there is provided a light and durable tank which is airtight even at cryogenic temperatures without generating cracks. The tank includes: a pressure-resistant layer having an inner shell and an outer shell; and an airtight resin layer on an inner surface of the inner shell, wherein the inner shell is comprised of a fiber-reinforced resin composite which can withstand temperatures above the melting point of the airtight resin layer, and the outer shell is comprised of another fiber-reinforced resin composite which can be cured at a temperature below the melting point of the airtight resin layer.

Tank for very low temperature liquids

Disclosed is a method for manufacturing a resin pipe, including: heating a sheet member after winding the sheet member around a bar desired multiple times and holding the sheet member, wherein the sheet member is melted and molded into a resin pipe by the heating, and the bar is removed from the resin pipe after the heating.

Method of manufacturing resin pipe

A pressure-resistant container has a peripheral part of an inner shell opening attached to a mouth ring end surface inside of the container to cover the mouth ring. The pressure-resistant container has a cylindrical pressing member screwed into an inner peripheral surface of the mouth ring, an inner peripheral surface of the mouth ring extends between the inner shell and the pressing member, a first seal peripherally contacts the inner shell and the pressing member, a valve having a screw part screws into the mouth ring more outside of the container than the pressing member and an inner end part which is inserted in the hole part of the pressing member and a second seal to seal between an outer peripheral surface of the inner end part and an inner peripheral surface of the pressing member. A third seal is also provided.

Pressure resistant container with sealed mouth entrance

Disclosed is a resin pipe with a mouthpiece comprising: a mouthpiece; and a resin pipe of which one end is joined to the mouthpiece, wherein the one end is disposed in the mouthpiece, and an outer peripheral surface of the one end is joined to an inner peripheral surface of the mouthpiece by fusion.

Growing community of inventors

Tokyo, Japan

Yoji Arakawa