Container with a flexible inner tank

Abstract

Abstract 919,587. Storing liquefied gases. CONCH INTERNATIONAL METHANE Ltd. May 8, 1961 [May 21, 1960; June 23, 1960; Sept. 22, 1960], No. 16611/61. Class 8(2). [Also in Group XXXIII]. A container for storing or transporting a liquefied gas at low temperature and at atmospheric pressure, ' comprises a rigid outer shell 2, e.g. formed by the inner hull of a double hull ship or by the inner hull in combination with the cofferdams of the ship, which is internally lined with a heat insulating material 6, e.g. balsawood or quippo, and an inner tank 11 consisting of a rigid top wall 10 and flexible side and bottom walls 8, 9 secured to the top wall, the latter being supported by the shell 2 and the side and bottom walls 8, 9 being supported by the inner surface of the heat insulating material 6. The inner tank is preferably made of aluminium or stainless steel, the side and bottom walls being in the form of foil. The top wall 10 is preferably supported on wooden blocks 12 secured to the shell 2, or is supported by cables or chains from a deck structure 4 of the ship, Fig. 2. (not shown); the space 15 between the wall 10 and the deck structure 4 is filled with glass wool. The wall 10 is provided with a trunk 17 which is insulated at 18 and may be secured to the deck structure 4 or slidably disposed relative thereto. The walls 8, 9 are preferably corrugated. A pump seat, Fig. 5 (not shown), located at the bottom of the tank 11 comprises two metal blocks secured to the respective sides of the bottom wall 9, the block facing the shell 2 having a projection which fits into a recess in a hardwood block on the shell.

Inventors

• 👤 Yamamoto Katsuro

Bibliographic Details