Bag packing - using holes in flat bag as anchor points for drawing over former

Designed for flat bags of polyethylene or polypropylene sheeting the material passes through a hole punching array before the sheeting is cut and welded to give a bag open at one end, with the side folded inwards. The open end is presented to a further conveyor system where grips enter the holes at...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ADAMS, RICHARD CALVIN, WEST BARRINGTON, R.I, MONAHAN, THOMAS JOSEPH, SWANSEA, MASS, PICOTTE, GEORGE ARTHUR, JOHNSTON, R.I
Format:	Patent
Sprache:	eng
Schlagworte:	MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER PERFORMING OPERATIONS TRANSPORTING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	Designed for flat bags of polyethylene or polypropylene sheeting the material passes through a hole punching array before the sheeting is cut and welded to give a bag open at one end, with the side folded inwards. The open end is presented to a further conveyor system where grips enter the holes at the open end of the bag to draw, it over the former. Continuous operation is possible without tearing, stretching or damaging the material.