Foldable tank drain stop cover

Details Foldable tank drain stop cover Foldable tank drain stop cover

1984-12-20

1986-03-11

Marcus, Stephen

Receptacles

Closures

Having means for securing or retaining closure in its closed...

138 89, F16L 5510

Patent

active

045749760

ABSTRACT:
This tank drain cover is designed to cover and uncover the drain opening in a foldable liquid storage tank, with little loss of liquid when the liquid in one tank is transferred to a similar tank. Primarily, it consists of a flexible and water-proof flap, that will fasten over the drain opening in the tank, and velcro fastener strips or other fastener means are secured to the flap and around the drain opening through the tank, to effect the holding of the flap over the opening.

REFERENCES:
patent: 1341507 (1920-05-01), Jacobsson
patent: 2954891 (1960-10-01), Imber
patent: 3951284 (1976-04-01), Fell et al.
patent: 4301791 (1981-11-01), Franco, III
patent: 4461402 (1984-07-01), Fell et al.

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