B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 20/32 (2006.01)
Patent
CA 2205447
Described is a device (100; 300; 500) for cutting a continuous strip of paper (108), the device comprising a paper-feed device (102; 302) which feeds the paper (108) to the cutting device at an essentially constant speed and a cutter (104; 310). Located between the feed device (102; 302) and the cutter (104; 310) is a paper-hold device (106; 502) which restrains the paper (108) so that a position can be defined on the paper (108) at which the cutter (104; 310) cuts it. Also fitted is a buffer device (120; 316) located between the feed device (102; 302) and the hold device (106; 502) and which accommodates the length of paper (108) which accumulates in the form of a loop (170) while the paper (108) is being held. The buffer device (120; 316) comprises a device (122, 124a, 124b; 318, 320) designed to guide the paper which accumulates and a device (124c, 188; 318) designed to damp down oscillations in the accumulating paper.
L'invention concerne un dispositif (100; 300; 500) destiné à découper des feuilles de papier continues (108), lequel comporte un dispositif d'alimentation en papier (102; 302) qui amène la feuille continue à couper (108) à une vitesse sensiblement constante, et un dispositif de coupe (104; 310). Un ralentisseur de papier (106; 502) est implanté entre le dispositif d'alimentation en papier (102; 302) et le dispositif de coupe (104; 310). Ce ralentisseur ralentit la feuille continue amenée (108) de façon à pouvoir déterminer sur la feuille amenée (108) une position où le dispositif de découpe (104; 310) réalise la coupe de la feuille continue. En outre, un dispositif tampon (120; 316) implanté entre le dispositif d'alimentation en papier (102; 302) et le ralentisseur de papier (106; 502), reçoit, pendant la décélération de la feuille continue (106), une longueur de la feuille continue (108) s'accumulant sous forme de boucle (170). Ce dispositif tampon comprend un dispositif (122, 124a, 124b; 318,320) pour guider la feuille continue qui s'accumule et un dispositif (124c, 188; 318) pour atténuer les oscillations de la feuille continue qui s'accumule.
Hannemann Peter
Bowe Systec Ag
Riches Mckenzie & Herbert Llp
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