Insulation system for liquified gas tanks

Details Insulation system for liquified gas tanks Insulation system for liquified gas tanks

1975-08-07

1977-03-22

Price, William

Receptacles

Flaccid wall material permanently united with a skeletal...

220 9F, 220 15, B65D 8724

Patent

active

040131890

ABSTRACT:
The invention relates to thermally-insulating containers particularly for liquefied gas tankers. It is known to use sprayed polyurethane foam for insulating the cargo tanks, but because of stresses in use load bearing "corners" are required for anchoring the layers. Such corners have previously been provided by the use of frames of balsa-wood. The invention provides the use of sheet material of curved configuration welded along the corners which are designed such that the foam can be applied directly thereto, the arrangement providing corners of sufficient strength for anchoring. The space behind the sheets may be filled with inert gas and can be used for water drainage.

REFERENCES:
patent: 2512308 (1950-06-01), Looper
patent: 3150794 (1964-09-01), Schlumberger et al.
patent: 3246789 (1966-04-01), Progler
patent: 3547302 (1970-12-01), Jackson et al.
patent: 3780900 (1973-12-01), Yamamoto
patent: 3894505 (1975-07-01), Murphy
patent: 3927788 (1975-12-01), Zinniger et al.

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