Winding – tensioning – or guiding – Convolute winding of material – Of discrete sheets or articles
Reexamination Certificate
2008-04-22
2008-04-22
Rivera, William A (Department: 3654)
Winding, tensioning, or guiding
Convolute winding of material
Of discrete sheets or articles
Reexamination Certificate
active
10511687
ABSTRACT:
For interim storage for stacks of plastic bags, it is proposed to wind these up with the aid of a single film, or two films, to form a roll. The bag stacks here are oriented such that their opening sides, which preferably have a tab with holes, are oriented forward, as seen in the unwinding direction. During the unwinding operation, a gripping means can grip the leading edge of the bags and feed the same to the packaging machine.
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International Search Report dated Jul. 23, 2003.
German Search Report dated Aug. 22, 2003.
Mittnacht Harald
Pfeifer Georg
Boyle Fredrickson , S.C.
Optima Filling and Packaging Machines GmbH
Rivera William A
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