Drainage apparatus for a sump of a floating roof tank

Details Drainage apparatus for a sump of a floating roof tank Drainage apparatus for a sump of a floating roof tank

2011-06-21

2011-06-21

Stashick, Anthony (Department: 3781)

Receptacles

Closures

Floating closure

C220S216000

Reexamination Certificate

active

07963412

ABSTRACT:
An drainage apparatus for use with the sump of a floating roof tank has a first pipe pivotally connected at one end to an outlet of the sump, a second pipe pivotally connected at one end to an opposite end the first pipe and extending downwardly therefrom, and an outlet pipe pivotally connected to an opposite end of the second pipe. The outlet pipe end extends through the outer wall of the tank. The outlet pipe is offset from the wall of the sump when the roof is positioned adjacent to the floor of the tank. The opposite end of the first pipe is laterally offset from the an end of the second pipe.

REFERENCES:
patent: 1761700 (1930-06-01), Bailey
patent: 1840587 (1932-01-01), Kimbell
patent: 2422322 (1947-06-01), Ulm
patent: 2643023 (1953-06-01), Moyer
patent: 2717095 (1955-09-01), Gable
patent: 3154214 (1964-10-01), Baker
patent: 4034887 (1977-07-01), Sherlock
patent: 4214671 (1980-07-01), McKibbin et al.
patent: 4248357 (1981-02-01), Stafford
patent: 4790446 (1988-12-01), Thiltgen

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