Vacuum storage device

Details Vacuum storage device Vacuum storage device

1988-12-21

1990-03-20

Culver, Horace M.

Package making

Gas filling and/or evacuating of receptacle and closing

Within enclosure

53103, 53510, 53390, B65B 3102, B65B 6700

Patent

active

049090143

ABSTRACT:
A vacuum storage device comprises a base member, a housing sealingly and removably mounted on the base member to form a storage chamber, a pressue reducing device mounted on either of the base member and housing, and a means for introducing air into the storage chamber. The pressure reducing device comprises a barrel and a bellows pump housed therein, the bellows pump comprising a bellows body with an inlet valve, which opens the bellows body to said storage chamber during the suction stroke, and an outlet valve, which opens the bellows body to the open air during the dischargeing stroke. The pressure reducing device includes a means for communicating its barrel chamber with the storage chamber.

REFERENCES:
patent: 1556981 (1925-10-01), Voight
patent: 1594512 (1926-08-01), Von Der Lippe-Lipski
patent: 1730419 (1929-10-01), Gillen
patent: 3026163 (1962-03-01), Day
patent: 3252264 (1966-05-01), Jones et al.
patent: 3672114 (1972-06-01), Sacks
patent: 3943987 (1976-03-01), Rossi
patent: 4016999 (1977-04-01), Denzer
patent: 4033091 (1977-07-01), Saponara
patent: 4278114 (1981-07-01), Ruberg

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