Bottles and jars – Closures – Combined or convertible
Patent
1992-11-23
1994-03-15
Shoap, Allan N.
Bottles and jars
Closures
Combined or convertible
215356, 215100R, 215260, B65D 3908, B65D 5124, B65B 3100
Patent
active
052940101
ABSTRACT:
A closure with repressurizing apparatus for a carbonated beverage container used as an original factory closure cap or as a replacement to the factory closure. An internally threaded closure which is secured to seal the mouth of a container is combined with a pump cylinder and a hand operated air pump to repressurize the container. The pump cylinder is molded with one or more internal ridges that extend from the base of the pump cylinder to approximately three quarters the length of the pump cylinder. A valve is created when this ridge(s) interacts with the corresponding notch(es) formed on the base of the piston. The valve allows ambient air past the base of the piston only when it is above the ridge(s) on the pump cylinder. The pump cylinder is molded with an internal guide that extends the length of the pump cylinder and is utilized when the base of the piston is above the ridge(s) on the pump cylinder and prevents the piston from rotating out of position with the ridge(s) of the pump cylinder and/or from being removed from the pump cylinder. The pump cylinder is combined with a one way valve that allows ambient air to be pumped into the open space of the beverage container. The top of the closure cap is formed with internal screw threads for engagement with external threads on the bottom of the pump handle. The interaction of these screw threads allows the pump assembly to be secured to the closure cap. A thin rubber gasket is fixed to the underside of the closure to prevent pressure from escaping the beverage container.
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Caretto Vanessa
Shoap Allan N.
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