Fluidic deflator means and method for article packaging
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United States of America Patent
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Dec 15, 1992
Grant Date -
N/A
app pub date -
Jan 22, 1991
filing date -
Jan 22, 1991
priority date (Note) -
Expired
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Abstract
The present invention provides a novel deflator means for expelling excess air from packages which is used in connection with form, fill and seal packaging machines, said deflator means comprising flexible walled, fluid-filled bladder means which engages a product-containing bag and forces excess air out from the bag, the bladder fluid also being provided to be in communication with a reservoir which permits fluid exchange between the bladder, and the reservoir during the packaging cycle.
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