B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
B31B 1/16 (2006.01) B31B 1/74 (2006.01) B31B 1/88 (2006.01)
Patent
CA 2235550
A box blank forming apparatus includes at least one printing assembly (12, 14), a slotting assembly (18), and a feeding (24) and conveying (28) mechanism for feeding blanks (26) through the apparatus. The feeding (24) and conveying (28) mechanism brings the blanks (26) into contact with the printing cylinder (44) and the slotter blade (96) to complete printing and slotting operations on the blanks (26) in the formation of boxes. An interrupter (52) is provided in association with the printing assembly (12, 14) for removing the blanks (26) from contact with the printing cylinder (44), and similar structure can also be provided with the slotting assembly (18) for removing the blanks (26) from contact with the slotter blade (96). A controller (120) is provided for controlling operation of the interrupter (52) of the printing assembly (12, 14) and may be used to also actuate the interrupter structure (106) of the slotter wheel assembly (18). This allows the printing assembly (12, 14) and the slotter wheel assembly (18) to accomodate box blanks of variable length.
L'invention porte sur un appareil de formation des ébauches (26) de cartons d'emballage comportant au moins un ensemble d'impression (12, 14), un ensemble de fendage (18), une alimentation (24) et un convoyeur (28) transportant les ébauches (26) à travers l'appareil. L'alimentation (24) et le convoyeur (28) mettent les ébauches (26) successivement en contact avec un cylindre d'impression (44) et avec la lame de fendage (96) qui assurent les opérations d'impression et de fendage en vue de la formation de cartons. Un interrupteur (52) associé à l'ensemble d'impression (12, 14) écarte les ébauches (26) du cylindre d'impression (44) et un élément similaire associé à l'ensemble de fendage écarte les ébauches (26) de la lame de fendage (96). Le contrôleur (120) qui commande le fonctionnement de l'interrupteur (52) de l'ensemble d'impression (12, 14) peut également commander l'interrupteur (106) de la roue de fendage (18). L'ensemble d'impression (12, 14) et l'ensemble de fendage (18) peuvent ainsi traiter des ébauches (26) de différentes longueurs.
Hill Alan M.
Meeks William R.
Gowling Lafleur Henderson Llp
Lawrence Paper Company
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