UNIT AND METHOD FOR APPLYING OPENING DEVICES TO A WEB OF PACKAGING MATERIAL

A unit (1) for applying opening devices (2) to a web (4) of packaging material at predetermined areas (3) of the web (4) arranged at a nonzero distance from one another along the web (4); the unit comprises a feeding group (5) configured for feeding the web (4) along an advancing path (P); at least...

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Bibliographische Detailangaben
Hauptverfasser:	TAVERNARI, Fabrizio, BATTISTINI, Fabrizio, BELLUCCI, Lauro, STAGLIANO, Armando
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES 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 PACKING PERFORMING OPERATIONS STORING TRANSPORTING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	A unit (1) for applying opening devices (2) to a web (4) of packaging material at predetermined areas (3) of the web (4) arranged at a nonzero distance from one another along the web (4); the unit comprises a feeding group (5) configured for feeding the web (4) along an advancing path (P); at least one first tool (12a, 12b, 12c) configured to apply a first opening device (2) to a first predetermined area (3d, 3e, 3f); nd at least one second tool (11a, 11b, 11c) configured to apply a second opening device (2) to a second predetermined area (3a, 3b, 3c); and a buffer portion (18) arranged downstream of the second tool and upstream of the first tool, and configured to include and/or accumulate a web portion (19) having a number (N) of predetermined areas (3) which is an integer multiple of the number (k) of tools of the unit (1).