Closure for carbonated beverage container with integral pump mec

Details Closure for carbonated beverage container with integral pump mec Closure for carbonated beverage container with integral pump mec

1988-08-25

1989-04-25

Norton, Donald F.

Bottles and jars

Closures

Combined or convertible

215260, B65D 5124

Patent

active

048239682

ABSTRACT:
An apparatus for closing an open end of a mouth of a carbonated beverage container and pressurizing the interior of the container with air. The apparatus includes a base threaded on the mouth of the container to cover its open end and a cap surrounding the base and slidably mounted between upstroke and downstroke positions in order to pressurize the air space above the contents of a previously opened bottle. The apparatus also functions as a closure for maintaining the pressurized condition until the bottle is again opened. The apparatus includes in one form a plurality of locking key members on the cap and locking tabs on the base to hold the cap in its downstroke position. In another form, the lock comprises a rotatable annular collar disposed about the cap and threadedly engageable with an annular flange on the base.

REFERENCES:
patent: 4033091 (1977-07-01), Saponara
patent: 4287819 (1981-09-01), Emerit
patent: 4524877 (1985-06-01), Saxby et al.
patent: 4640426 (1987-02-01), Wasley
patent: 4723670 (1988-02-01), Robinson et al.
patent: 4763803 (1988-08-01), Schneider

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