Leak preventing device for a closed container

Details Leak preventing device for a closed container Leak preventing device for a closed container

1992-03-12

1993-07-20

Bryant, III, James E.

Pipes and tubular conduits

Repairing

Patches

138 97, F16L 5518

Patent

active

052284778

ABSTRACT:
A device for stopping leaks in the sidewall of a container such as a 50-55 gallon drum comprising a band of flexible but non-elastic plastic material for manually wrapping around the drum so that a central portion of the band is centered over the leak. An integral inflatable bladder on the inner surface of the central portion is inflatable by a CO.sub.2 cartridge carried on the outer surface of the central portion. A lanyard runs from a CO.sub.2 release valve to one end of the band so that an installer can stand behind the drum while pulling the lanyard to inflate the bladder.

REFERENCES:
patent: 2727650 (1955-12-01), Moynihan et al.
patent: 3480043 (1969-11-01), Proudfoot et al.
patent: 3496963 (1970-02-01), Bardgette et al.
patent: 4202379 (1980-05-01), Vetter
patent: 4357961 (1982-11-01), Chick
patent: 4448218 (1984-05-01), Vetter
patent: 4519856 (1985-05-01), Lazzara
patent: 4705085 (1987-11-01), Brown
patent: 4880035 (1989-11-01), Vetter
patent: 5027862 (1991-07-01), Laybourn
patent: 5113912 (1992-05-01), Vetter
patent: 5146953 (1992-09-01), Bell

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