B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
242/30
B65H 75/00 (2006.01) B65H 19/18 (2006.01)
Patent
CA 1225627
ABSTRACT The disclosed apparatus is used for splicing the laps of two reels of web material delivered to a processing machine, the splicing occurring in two different modes. The device comprises a pressure arm (28) and an accele- ration arm (29), both mounted so that they can be shifted angularly around a common pivot point (48). The pressure arm (28) is made of two levers (53, 54) on which a pressure roller (19) located between two short levers (79, 80), and a cutting device (66) bearing the knives (71, 72), are arranged. The acceleration arm (29) is made of two side levers (88, 89) supporting the axle (96) of an acceleration roller (25). The arms (94, 95) can be shifted angularly by means of a pneumatic cylinder (108) and the acceleration roller (25) is then positioned in such a way that it allows crossing the pressure arm (28) with the acceleration arm (29), when the mode of splicing changes. The device is used in a machine processing web material, for instance a printing cutting press, and allows, using the same elements, "IN" lap splicing or "OUT" lap splicing.
440082
Bobst S.a.
Smart & Biggar
LandOfFree
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