Method for providing crease lines

A method for providing crease lines to a packaging material having a bulk layer is provided. The method comprises arranging the material to be creased between an elastic anvil and a pressing tool having at least one protrusive ridge facing the anvil, and pressing the ridge towards the anvil such tha...

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Bibliographische Detailangaben
Hauptverfasser:	Bergholtz, Lars, Quist, Jens, Johansson, Hans
Format:	Patent
Sprache:	eng
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 MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS 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 MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD ORMATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING UNPACKING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	A method for providing crease lines to a packaging material having a bulk layer is provided. The method comprises arranging the material to be creased between an elastic anvil and a pressing tool having at least one protrusive ridge facing the anvil, and pressing the ridge towards the anvil such that the packaging material will be subject to an imprint, whereby the width of the imprint is continuously increasing as the ridge is pressed against the anvil.