Package making – Methods – With contents treating
Patent
1991-01-22
1992-12-15
Culver, Horace M.
Package making
Methods
With contents treating
53451, 53511, 53512, 53551, B65B 920, B65B 3100, B65B 5500, B65B 6124
Patent
active
051706091
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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Bullock Larry J.
Jens Stephen C.
Taylor Malcolm E.
Culver Horace M.
Hershey Foods Corporation
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