Depressurizing pump assemblies and closures for beverage...

Details Depressurizing pump assemblies and closures for beverage... Depressurizing pump assemblies and closures for beverage...

2005-08-30

2005-08-30

Newhouse, Nathan J. (Department: 3727)

Bottles and jars

Closures

Combined or convertible

C220S212000, C141S064000

Reexamination Certificate

active

06935524

ABSTRACT:
An assemlby for depressurizing an opened beverage bottle including a bottle closure having a valve to permit depressurization of the bottle by a removable pump assembly. The pump assembly includes a stretchable diaphragm having roller being moveable on tracks within a housing. A pivotal actuator stretches the diaphragm to cause expansion of diaphragm chamber and effect depressurization of the bottle through the closure valve.

REFERENCES:
patent: 2680477 (1954-06-01), Schira, Jr.
patent: 3602387 (1971-08-01), Patnaude et al.
patent: 4033091 (1977-07-01), Saponara
patent: 4640426 (1987-02-01), Wasley
patent: 4889250 (1989-12-01), Beyer
patent: 5779082 (1998-07-01), Miramon
patent: 5823372 (1998-10-01), Levine
patent: 6352165 (2002-03-01), DiFelice
patent: 6409033 (2002-06-01), Wilhite et al.
patent: 6637321 (2003-10-01), Wang

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