Patent ID: 6526733
Filing Date: 2003-03-04
Classification: B65B

Abstract:
An apparatus for arranging a tube (1) of packaging material in relation to a processing station (12) in a packaging machine in which a tube (1) of round cross-section formed from a printed web (34) of packaging material provided with a printing mark (39) and embossing lines (36, 37), is closed by longitudinal sealing (3), filled and shaped in a transverse sealing unit (12) and divided into parallelepipedic packs (2), wherein the transverse sealing unit is designed for intermittently conveying the tube (1) with an adjustable stroke movement and is provided in relation to the tube (1) on diametrically opposite sides of the tube with folding slaps (16) pivotable about a pivot axes (15); said apparatus having a sensor arranged to sense the printing mark (39), wherein on the upstream side of each folding flap (16) is a folding element (19, 42) which is activated by the sensor upon detection of the printing marks, and by means of which the tube (1) can be folded into a width (B) approximately equal to the width (B) of the finished pack (2) in such a way that the tube (1) is out of engagement from the folding flaps (16).