Fillable tank with filler pipe retainer

Details Fillable tank with filler pipe retainer Fillable tank with filler pipe retainer

1987-04-06

1988-07-26

Pollard, Steven M.

Receptacles

Container attachment or adjunct

Filling member

220 5R, 220465, B65D 2500

Patent

active

047594594

ABSTRACT:
A fillable tank is disclosed, which tank is adapted to cooperate with a filler pipe for conveying material into the tank. The tank comprises a tank wall and a filler pipe seat defining an opening through the tank wall, which opening is adapted to receive the filler pipe. The filler pipe seat comprises a frustro-conical shoulder to improve the retention of the filler pipe in the tank against pull-out forces. The smaller diameter end of the shoulder is inward of the larger diameter end which latter is integral with the tank wall. The frusto-conical shoulder comprises integral reinforcement ribs extending substantially longitudinally on the surface thereof. Optionally, the small diameter end of the shoulder may provide a radial surface adapted to bear against a radially outward extending annular bearing surface of the filler pipe to prevent pull-out of such filler pipe from the tank.

REFERENCES:
patent: 1875908 (1929-10-01), Zarobsky
patent: 2545178 (1946-02-01), Vaughn
patent: 2779498 (1954-09-01), Cole et al.
patent: 3417900 (1967-05-01), Landphair
patent: 3464584 (1969-09-01), McNally
patent: 3825145 (1974-07-01), Reynolds
patent: 3905505 (1975-09-01), Gallay
patent: 4134510 (1979-01-01), Chang
patent: 4201306 (1980-05-01), Dubois et al.
patent: 4234098 (1980-11-01), Miller et al.
patent: 4360124 (1982-11-01), Knaus et al.
patent: 4377301 (1983-03-01), Craig et al.
patent: 4393980 (1983-07-01), Armour et al.
patent: 4526286 (1985-07-01), Jung et al.

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