Package making – Means to fill and close preformed receptacle – Receptacle comprising bag
Patent
1993-07-22
1995-03-07
Culver, Horace M.
Package making
Means to fill and close preformed receptacle
Receptacle comprising bag
53512, 53526, 53570, 533745, B65B 306, B65B 706, B65B 3100, B65B 4328
Patent
active
053946740
ABSTRACT:
A packaging machine and method of packaging utilizing chains of interconnected preopened bags which are fed sequentially and one at a time to a load station. Bag tops are clamped against spreading horns by sensor equipped clamps which cause disablement of a bag filling mechanism unless a bag is properly located at the load station. A bag spreading and transfer mechanism spreads a loaded bag and transfers it to a bag closure station for sealing. The mechanism includes bag supporting structures for supporting the bag during loading transfer and sealing and for expelling air from the bag and compressing the contents prior to completion of the package. The method includes both the steps of expelling air and compacting the contents and the step of allowing the differential escape of oxygen from a package while retaining nitrogen therein.
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EPO Appln. 90307435.9, Pub. No. 0413431A3 (dated Jun. 3, 1991).
Gates Anthony H.
Peppard James P.
Automated Packaging Systems, Inc.
Culver Horace M.
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