Self contained evacuation lid

Details Self contained evacuation lid Self contained evacuation lid

1993-04-19

1995-04-18

Cusick, Ernest G.

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

141 64, 215228, 53 88, 220204, 417545, B65D 5124

Patent

active

054069920

ABSTRACT:
Self contained evacuation lid adapted for containers allowing the contents of the container (30) to be stored under a reduced pressure atmosphere after the container (30) has been opened. The evacuation lid forms a closure over the container (30) which incorporates a bellows pump (12) for removing air from container (30). The evacuation lid also includes a air intake valve (14) for venting the container (30) to facilitate the removal of the lid.

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patent: 4909014 (1990-03-01), Kobayashi
patent: 4981233 (1991-01-01), Scheurer
patent: 5207339 (1993-05-01), Shyu

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