High speed bag folding machine

Details High speed bag folding machine High speed bag folding machine

1978-06-28

1979-12-25

Burr, Edgar S.

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93 84R, B65H 4518

Patent

active

041802560

ABSTRACT:
In a bag folding machine of the type which includes a rolling section for winding the bag into a roll, with the rolling section divided into two sub-sections spaced a predetermined distance apart to form an open area therebetween through which the bag is withdrawn the improvement comprising; each sub-section including a rotatable mandrel forming a confined space with the moving surface of the rolling section, and means for rotating each mandrel at a peripheral speed about equal to the peripheral speed of the rolling section.

REFERENCES:
patent: 2877612 (1959-03-01), Berney
patent: 3671033 (1972-06-01), Coast
patent: 3711086 (1973-01-01), Weist
patent: 3918698 (1975-11-01), Coast

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