B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 23/16 (2006.01) B65H 23/26 (2006.01)
Patent
CA 2633089
The invention relates to an apparatus for maintaining a material web, in particular a label web used in a labelling machine (E), under constant tensile stressing, the apparatus containing: a stationary axis-of-rotation arrangement (30) with a geometrical axis of rotation (M), and also a tensile-stressing compensating arrangement (40) which can be rotated out of a starting position about the axis of rotation (M) of the axis-of-rotation arrangement (30) and has a force-exerting unit (60) which subjects the tensile-stressing compensating arrangement (40) to a force which counteracts the rotary movement of the tensile-stressing compensating arrangement (40) out of the starting position. Provision is further made for the force of the force-exerting unit (60) to be a linearly acting force which acts on the tensile-stressing compensating arrangement (40) at a force-application point (65) which is spaced apart radially from the axis of rotation (M) of the axis-of-rotation arrangement (30).
L'invention concerne un dispositif pour conserver une tension de traction constante sur une bande de matériau, notamment sur une bande d'étiquettes utilisée dans un appareil d'étiquettes (E), qui contient : un dispositif à axe de rotation fixe (30) avec un axe de rotation géométrique (M) et un dispositif de compensation de la tension de traction (40) pouvant tourner d'une position de départ autour de l'axe de rotation (M) du dispositif à axe de rotation (30) et présentant une unité de production de force (60) qui exerce une force opposée au mouvement de rotation du dispositif de compensation de la tension de traction (40) depuis la position de départ sur le dispositif de compensation de la tension de traction (40). En outre, la force de l'unité de production de force (60) est une force agissant linéairement, s'exerçant sur le dispositif de compensation de la tension de traction (40) en un point d'action de force (65) à distance radiale de l'axe de rotation (M) du dispositif à axe de rotation (30).
Avery Dennison Corporation
Borden Ladner Gervais Llp
LandOfFree
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