Easily-cleaned reusable lid including an evacuating pump

Details Easily-cleaned reusable lid including an evacuating pump Easily-cleaned reusable lid including an evacuating pump

1995-04-10

1996-08-20

Recla, Henry J.

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

141 64, 215228, 53 88, 22020304, 22020307, 417545, B65D 5124

Patent

active

055469973

ABSTRACT:
The lid is adapted for use with a container the mouth of which has a particular size and shape. After the lid has been placed on the mouth of the container, the air or other gas within the container is evacuated by manual operation of a pump actuator. The actuator is repeatedly pushed toward the bottom of the container. The pump includes a bellows and two check valves, and the pump is removably installed in the lid by inserting a resilient plug on the pump into a first hole in the lid. The vacuum may be released by pushing once on an actuator that operates a vacuum release valve. The vacuum release valve is removably installed in the lid by inserting a resilient plug of the valve into a second hole in the lid. When the container is evacuated, the pump actuator and the vacuum release valve actuator are flush with the upper face of the lid to facilitate stacking of the containers. Because the pump and the vacuum release valve are easily removed from the body of the lid, cleaning of the parts of the lid and subsequent reuse of the lid are promoted.

REFERENCES:
patent: 3943987 (1976-03-01), Rossi
patent: 4016999 (1977-04-01), Denzer
patent: 5244113 (1993-09-01), Stymiest

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