DEVICE FOR PRODUCING HOLLOW TUBES, IN PARTICULAR DRINKING STRAWS, AND METHOD FOR SAME

The invention relates to a device for producing hollow tubes (10), in particular drinking straws, comprising a first formatting device (11) which is designed to convey a first material strip (21) in a longitudinally axial direction and shape said strip into a first hollow tube (23) during the convey...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SOLTOW, Ralf, SCHAFFORZ, Mathias, PEHMÖLLER, Jürgen, REICHERT, Andreas, LEMKE, Vincent
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSESB31B OR B31C MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARDOR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER PERFORMING OPERATIONS TRANSPORTING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	The invention relates to a device for producing hollow tubes (10), in particular drinking straws, comprising a first formatting device (11) which is designed to convey a first material strip (21) in a longitudinally axial direction and shape said strip into a first hollow tube (23) during the conveying process, wherein a second formatting device (12) is provided which is arranged behind the first formatting device (11) in the conveyor direction (20) and is designed to wind a second material strip (22) around the first material strip (21) while the second material strip (22) is being conveyed in a longitudinally axial direction such that a double-layer hollow tube (10) is formed which has the first hollow tube (23) on the inside and the second material strip (22) on the outside.