Port closure for a tank

Details Port closure for a tank Port closure for a tank

1998-11-10

2000-08-22

Cronin, Stephen K.

Receptacles

Closures

With closure opening arrangements for means

2203452, 2203454, 2203456, B65D 4326

Patent

active

06105805&

ABSTRACT:
A port closure is a combination which includes a tank, a closure member and an actuator. The tank has defining walls, an exterior surface, an interior surface, an interior cavity and an access port. The closure member is disposed within the interior cavity of the tank. The closure member has an access port engaging face that is larger than a cross-sectional area of the access port. The actuator is coupled with the closure member and moves the closure member between a first position in which the access port engaging face closes the access port and a second position laterally spaced from the access port.

REFERENCES:
patent: 672641 (1901-04-01), Hirt
patent: 1124395 (1915-01-01), Cottrell
patent: 2224094 (1940-12-01), Small
patent: 2842283 (1958-07-01), Smith
patent: 3131925 (1964-05-01), Coats
patent: 3142410 (1964-07-01), Arnold
patent: 3339785 (1967-09-01), Nugent
patent: 4709901 (1987-12-01), Pierson et al.
patent: 5190182 (1993-03-01), Copas et al.
patent: 5507408 (1996-04-01), Mosior et al.

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