Emergency water leak plug

Details Emergency water leak plug Emergency water leak plug

1977-04-19

1979-07-10

Smith, Robert I.

Pipes and tubular conduits

Repairing

285DIG26, F16L 5518

Patent

active

041604652

ABSTRACT:
A temporary plug for plugging a leaking hole in a tank or other vessel containing water; the plug consisting of a porous fabric bag partly filled with a dry powder having the characteristic which, upon getting wet, expands several times its volume so to tightly seal the hole and prevent further leakage.

REFERENCES:
patent: 3211574 (1965-10-01), Shannon
patent: 3745659 (1973-07-01), Hsu
patent: 3797805 (1974-03-01), Nielsen
patent: 4058234 (1977-11-01), Vrolyk

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