APPARATUS AND METHOD FOR MANUFACTURING A BAG PACK

In an embodiment of the invention, a bottom seal of a plastic bag is strengthened by welding together 8 layers of plastic film. Embodiments of the invention provide an apparatus and method to weld together 8 layers of plastic film on a bottom edge of a folded bag, and then unfold the bag. The appara...

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Bibliographische Detailangaben
Hauptverfasser:	TAN, TIEN, TJIU, BAILEY, ROBERT D, WILKERSON, JACK RANDAL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL 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 PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	In an embodiment of the invention, a bottom seal of a plastic bag is strengthened by welding together 8 layers of plastic film. Embodiments of the invention provide an apparatus and method to weld together 8 layers of plastic film on a bottom edge of a folded bag, and then unfold the bag. The apparatus and method may also stack multiple unfolded bags into a bag pack. Selon un mode de réalisation de l'invention, le joint inférieur d'un sac plastique est renforcé en soudant ensemble 8 couches d'un film plastique. Les modes de réalisation de l'invention comprennent un appareil et un procédé consistant à souder ensemble 8 couches d'un film plastique sur le bord inférieur d'un sac plié, puis à déplier le sac. L'appareil et le procédé peuvent également être utilisés pour empiler de multiples sacs dépliés en un paquet de sacs.