Containment sump with stackable extensions

Details Containment sump with stackable extensions Containment sump with stackable extensions

1990-02-20

1991-12-31

Marcus, Stephen

Receptacles

Sectional

Stacked or aligned similar sections

220355, 220634, B65D 600

Patent

active

050764560

ABSTRACT:
An improved containment sump assembly which provides an enclosure for pipes and other tank appurtenances associated with an underground storage tank. The containment sump assembly comprises a generally cylindrical main body section closed at its lowermost end forming a hollow interior for enclosing the pipes and equipment, a generally cylindrical top section having the same diameter as the main body section along its lower portion and tapered to provide an opening of a smaller diameter at its uppermost point. A lid for closing the top opening is also included. The main body section is further provided with a tongue component around its uppermost edge; the top section is provided with a complimentary groove component around its lowermost edge. The tongue and groove components of the respective sections are capable of mating engagement to form a liquid-tight seal when the top section is placed on the main body section. Extension members are also provided, with groove components along their lowermost edges and tongue components along their uppermost edges for installation between the main body section and top section.

REFERENCES:
patent: 537182 (1895-04-01), Brown
patent: 3485408 (1969-12-01), Benesch
patent: 4573604 (1986-03-01), Guim
patent: 4960149 (1990-10-01), Rizzitiello
patent: 4978023 (1990-12-01), Behlmann et al.

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