Positive seal fermentation lock for wine barrels

Details Positive seal fermentation lock for wine barrels Positive seal fermentation lock for wine barrels

1995-11-02

1997-12-30

Shoap, Allan N.

Receptacles

Closures

With condition responsive vent or valve

22020327, 22020329, 215311, 215364, 137854, 217100, B65D 5116

Patent

active

057020183

ABSTRACT:
A stopper apparatus for use with wine barrel bung holes includes a generally frusto-conical stopper member having a central aperture, a top surface, a bottom surface, and an outer circumferential surface adapted to seal against the inner circumferential surface of the bung hole. The apparatus further includes a sealing insert member having a top portion, a middle portion, and a bottom portion, the top portion having a diameter greater than the stopper member central aperture, and which has a lower surface adapted for sealing engagement against the stopper member top surface. The bottom portion includes at least one flexible lateral projection element adapted to contact and apply a force against the stopper member bottom surface, so as to urge the top portion lower surface into sealing engagement with the stopper member top surface.

REFERENCES:
patent: 583972 (1897-06-01), Beavis
patent: 934103 (1909-09-01), Stauton
patent: 1653818 (1927-12-01), Nagel
patent: 2224296 (1940-12-01), Hoffman
patent: 2571893 (1951-10-01), Kendall
patent: 2603218 (1952-07-01), Rane
patent: 2769457 (1956-11-01), Wittenberg
patent: 3454182 (1969-07-01), Morton
patent: 3487728 (1970-01-01), Perry et al.
patent: 3805990 (1974-04-01), Palaudarias
patent: 3811650 (1974-05-01), Dehar
patent: 4658979 (1987-04-01), Mietz et al.
patent: 5339981 (1994-08-01), Kral

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