Foods and beverages: apparatus – Subjecting food to an enclosed modified atmosphere – Vacuum-producing means
Patent
1981-03-02
1982-12-07
Dixson, Jr., William T.
Foods and beverages: apparatus
Subjecting food to an enclosed modified atmosphere
Vacuum-producing means
2065248, 220231, B65D 8120, A23B 000, B65D 5116
Patent
active
043620957
ABSTRACT:
A vessel or container for storing ground coffee and which comprises a housing for receiving the ground coffee therein and having an access port and a discharge port in communication with the interior thereof, a handle member secured to the outer periphery of the housing and having a pump chamber provided therein, a passageway providing communication between the pump chamber and the interior of the housing, a check valve interposed in the passageway, a pump plunger reciprocally disposed in the pump chamber and a plunger rod extending axially outwardly from the plunger for facilitating the reciprocation of the plunger within the pump chamber, a removable cover provided for the access port and a removable plug member provided for the discharge port to seal the interior of the housing from the atmosphere whereby reciprocation of the plunger creates at least a partial vacuum in the interior of the housing for storing of the coffee ground in at least a partial vacuum for preserving the freshness thereof.
REFERENCES:
patent: 1373244 (1921-03-01), Hernandez
patent: 1635815 (1927-07-01), Briggs
patent: 2036007 (1936-03-01), Wheatley et al.
patent: 2157624 (1939-05-01), Overmyer
patent: 4016999 (1977-04-01), Denzer
patent: 4022344 (1977-05-01), Roamer
Dixson, Jr. William T.
Wheatley Phyllis A.
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