Composite tank

Details Composite tank Composite tank

1998-12-22

2000-12-12

Pollard, Steven

Receptacles

Receptacle side wall made of two or more layers of material...

Two different metallic layers

589590, B65D 700

Patent

active

061586056

ABSTRACT:
A composite tank for containing liquid oxygen and the method of making the same wherein a water-soluble mandrel having the desired tank configuration and a cylindrical protuberance on at least one end is fitted with an inner boss conforming to the configuration of the mandrel and an outer boss conforming to the configuration of the inner boss, the bosses each having a tubular portion for receiving the protuberance on the mandrel and a spherical portion. The mandrel and the bosses are first coated with a nickel coating. The mandrel is then wrapped with graphite fibers wetted with an epoxy resin and this resin is cured. A layer of insulating foam is then applied to the tank and cured. The insulating foam is machined to a desired configuration and a layer of aramid fibers wetted with a second epoxy resin is wrapped around the tank. The second resin is cured and the water soluble mandrel is washed from inside the tank.

REFERENCES:
patent: 3303079 (1967-02-01), Carter
patent: 3312575 (1967-04-01), Corbin, Jr.
patent: 3321347 (1967-05-01), Price et al.
patent: 3728187 (1973-04-01), Martin
patent: 3815773 (1974-06-01), Duvall et al.
patent: 3843010 (1974-10-01), Morse et al.
patent: 3866792 (1975-02-01), Minke
patent: 4438858 (1984-03-01), Grover
patent: 5476189 (1995-12-01), Duvall et al.
patent: 5568878 (1996-10-01), Le Breton

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