Kitchen appliance for storing perishable goods

Details Kitchen appliance for storing perishable goods Kitchen appliance for storing perishable goods

1979-05-14

1981-07-14

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

53103, 137565, 417566, B65B 3104

Patent

active

042781140

ABSTRACT:
A container with an air tight lip incorporating a check valve for only evacuating air from the container by a piston suction pump sealed against the lip and around the check valve; the pump being arranged to receive manual pressure to produce the suction stroke and to simultaneously enhance the seal between the lip and the pump.

REFERENCES:
patent: 2436849 (1948-03-01), Billetter

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