Double wall tank fittings

Details Double wall tank fittings Double wall tank fittings

1988-07-01

1989-09-12

Hepperle, Stephen M.

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

B65D 9008

Patent

active

048652202

ABSTRACT:
A fitting for double wall underground storage tank where the tank has an inner wall and an outer wall is disclosed. A bore extends through the inner and outer walls of the tank. A substantially cylindrical connector having a passageway passing through the center of the connector is constructed to be positioned in the bore. A plurality of threads is positioned on the connector around the periphery of the passageway extending through the connector. A substantially cylindrical glass fiber reinforced plastic sleeve is positioned around the outer periphery of the connector. The sleeve matingly engages the outer periphery of the connector. The sleeve extends to encase the outer periphery of the connector that extends from the inner wall of the tank towards the outer wall of the tank. The connector and the sleeve are positioned in the bore with one end of the connector and sleeve extending from the outer wall of the tank. The connector and sleeve are secured to the inner and outer wall of the tank to secure the sleeve and connector to the tank.

REFERENCES:
patent: 1053452 (1913-02-01), Stover
patent: 1231548 (1917-06-01), Myers
patent: 1978608 (1934-10-01), Straty
patent: 3432069 (1969-03-01), Craig
patent: 4184511 (1980-01-01), Wilson
patent: 4259981 (1981-04-01), Busse
patent: 4653663 (1987-03-01), Holtsclaw
patent: 4700868 (1987-10-01), Dirkin
patent: 4775073 (1988-10-01), Webb

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