B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
114/9
B63B 25/16 (2006.01)
Patent
CA 1192451
ABSTRACT In a device for catching leaked liquid for use in a ship carrying a low temperature liquid in a storage tank which is supported on the bottom of a ship's hold by means of tank supporting structures which prevent horizontal displacement, a leaked liquid receiving pan is disposed below an engaging member which extends downwardly from the bottom of the tank. The low temperature liquid leaked from the tank and falling between the engaging member and a heat insulating layer surrounding the tank is received by the leaked liquid receiving pan and does not reach the bottom of the ship's hold. Thus the bottom of the hold is prevented from being cooled. Prior to this invention, the problem of super cooled liquids leaking on a ship's hold and causing structural weakness was overcome by either constructing ships of special steel or providing an extra insulating jacket around the tank. Both these measures were uneconomical. Because such structural steel members are cooled by the leaked liquid locally and at extremely low temperature, the strength of the ship is adversely affected. The present invention provides a simple economical solution.
431078
Fujitani Takashi
Kitaguchi Shuichi
Mototsuna Kazumichi
Nemoto Iwao
Okumura Yoshito
Fetherstonhaugh & Co.
Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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