Closure and valving apparatus

Details Closure and valving apparatus Closure and valving apparatus

1983-08-15

1985-02-12

Hall, George T.

Receptacles

Closures

With condition responsive vent or valve

220303, 220DIG32, B65D 5116

Patent

active

044985991

ABSTRACT:
A sealing and valving assembly includes an upper carrier and a lower carrier sized to be received within the filler neck of the radiator of a pressurized liquid cooling system. The upper carrier, an inverted generally cup-like member, carries an atmospheric seal for closing the open end of the filler neck. The atmospheric seal may seal against the inner side wall or the free end of the filler neck. Both types of atmospheric seals may be incorporated in a single embodiment. A pressure seal, carried by the lower carrier, is normally urged against a seat proximate the fixed end of the filler neck by a cylindrical spring bearing against the upper and lower carriers. Preferably, the lower end of the spring is congruent with the pressure valve seat. The upper carrier is secured by swivel connection to a cap which is detachably securable to the free end of the filler neck. The upper carrier may also be detachably connected to the cap.

REFERENCES:
patent: 3164288 (1965-01-01), Boomgaard
patent: 3910451 (1975-10-01), Tusing
patent: 4000828 (1977-01-01), Crute et al.
patent: 4185751 (1980-01-01), Moore et al.
patent: 4196822 (1980-04-01), Avrea
patent: 4241845 (1980-12-01), Dahy et al.

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