Ishikawajima-Harima Heavy Industries Co., Ltd. (JPX 03)
인용정보
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27인용 특허 :
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초록▼
A rectangular-shaped self-standing liquefied gas storage tank carried in a low temperature liquefied gas carrier ship is disclosed. The tank is of an approximate box-shape having a bottom plate section, front and rear sections, two side wall sections, and a roof plate section. The carrier ship has b
A rectangular-shaped self-standing liquefied gas storage tank carried in a low temperature liquefied gas carrier ship is disclosed. The tank is of an approximate box-shape having a bottom plate section, front and rear sections, two side wall sections, and a roof plate section. The carrier ship has bulkheads inside thereof, formed along the direction of the width of the carrier ship, to define holds for each of the tanks. The tank has reducing sections between the roof plate section and the lateral wall sections, which are directed toward the inner side of the tank and extend upwardly. Lateral movement restraining members are provided between the front wall section of the tank and one of the bulkheads of the carrier ship, and between the rear wall section of the tank and another bulkhead.
대표청구항▼
A rectangular-shaped self-standing liquefied gas storage tank for storing low temperature liquefied gas therein, arranged in a low temperature liquefied gas carrier ship, a plurality of said tanks arranged along the longitudinal direction of the carrier ship, said low temperature liquefied gas carri
A rectangular-shaped self-standing liquefied gas storage tank for storing low temperature liquefied gas therein, arranged in a low temperature liquefied gas carrier ship, a plurality of said tanks arranged along the longitudinal direction of the carrier ship, said low temperature liquefied gas carrier ship having a plurailty of bulkheads extending widthwise with respect to said carrier ship to define holds for housing said liquefied gas storage tanks, said self-standing liquefied gas storage tank being formed of metal sheets and comprising: a bottom plate section having an approximately rectangular shape; front and rear wall sections facing each other,rising approximately perpendicularly from the bottom plate section, and extending widthwise with respect to the carrier ship; a pair of side wall sections facing each other, rising approximately perpendiculaly from the bottom plate section, and extending longitudinally along the carrier ship; a roof plate section facing the bottom plate section; a pair of reducing sections, each formed between said roof plate section and each of said side wall sections, and directed toward the inside of said tank as said reducing sections extend upwardly so that a sectional area of said roof plate section is smaller than that of said bottom plate section; at least one lateral movement restraining means for preventing said liquefied gas storage tank from moving laterally, provided between said front wall section of said tank and one of said bulkheads facing said front wall section, and between said rear wall section of said tank and one of said bulkheads facing said rear wall section; an inner surface; reinforcing plates formed in elongated plate shape, protruding from said inner surface, and arranged parallel to one another; reinforcing face plates, each integrated with a protruding end of each of said reinforcing plates, extending longitudinally along a longirudinal direction of said reinforcing plate, and having a width extending in the direction of the thickness of said reinforcing plate; at least one carling, protruding from said inner surface, having a protruding end surface, provided between two of said reinforcing plates perpendicularly thereto, and at least both ends thereof being welded to two of said reinforcing plates, respectively; wherein the height of the protrusion of said carling from said inner surface of said tank is smaller than that of said reinforcing plate, so that said protruding end surface of said carling terminates before said reinforcing face plate, and chamfers are formed at both side ends of said protruding end surface welded to said reinforcing plates respectively, said chamfers gradually lowering the height of the protrusion of said curling at both side ends of said protruding end surface.
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