Venting system for beverage containers

Details Venting system for beverage containers Venting system for beverage containers

1989-06-12

1990-03-20

Moy, Joseph Man-Fu

Receptacles

Closures

Vent at closure, closure support juncture

220DIG27, 215307, B65D 5116

Patent

active

049094084

ABSTRACT:
A venting structure (14) for an enclosed fluid container (10) includes a tubular shank (16) projecting through an aperture in the cover (11) of the container (10). A baffle wall (26) closes the upper end of the shank (16) and has a central vent hole (27) therein. A cap (30) is removeably secured to the upper portion of the shank (16) and has interior walls forming an expansion chamber (34) with a slotted bottom wall. The upper portion of the shank (16) is provided with exterior longitudinal channels (29) which extend below the bottom of the cap so that the expansion chamber may communicate with the atmosphere.

REFERENCES:
patent: 4231489 (1980-11-01), Malong
patent: 4427126 (1984-01-01), Ostrowsky
patent: 4670398 (1987-06-01), Song
patent: 4706840 (1987-11-01), Thompson
patent: 4747502 (1988-05-01), Luenser
patent: 4763804 (1988-08-01), O'Connell
patent: 4799598 (1989-01-01), McFadyen

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