Encapsulated underground liquid storage tank

Details Encapsulated underground liquid storage tank Encapsulated underground liquid storage tank

1978-11-06

1980-02-26

Lowrance, George E.

Special receptacle or package

Evacuated

220444, 220902, B65D 2518, B65D 8102

Patent

active

041901592

ABSTRACT:
An underground liquid storage tank is encapsulated in hardened plastic foam in a shipping carton by in situ foaming. The tank has pipe fittings that extend through the foam and abut the inside of the carton. The carton is marked on the outside with indicia to show the location of the fittings beneath the material of the carton. The tank is left in the carton perpetually from the time it leaves the plant. The ultimate user never unpacks the carton but merely buries the tank, carton and all, with the side of the carton uppermost that bears the indicia. He then cuts out the carton as indicated by the indicia, which exposes the pipe fittings, connects the necessary plumbing, and then fills the hole with dirt. The plastic foam performs the unique dual function not only of protecting the tank during shipping, but also of protecting the tank underground. The carton performs the unique dual function not only of confining the foam, but also of preventing the pipe fittings from being masked by foam.

REFERENCES:
patent: 3400849 (1968-09-01), Pottier
patent: 3641725 (1972-02-01), Grisell
patent: 3848765 (1974-11-01), Durkop
patent: 3952082 (1976-04-01), Arnaud
patent: 4136141 (1979-01-01), Bauer

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