B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/34, 340/123.
B65B 41/18 (2006.01) B65H 23/04 (2006.01)
Patent
CA 1084603
ABSTRACT OF THE DISCLOSURE The present invention provides a method for the reading of photocell markings applied at equal intervals on the decorated side of a material web, passing through a packing machine for the continuous manufacture of separate packages from the material web provided with decorations and crease lines in which method an element actuated by the transverse crease lines of the moving material web actuated a photocell unit located adjacent the material web at the repeated relatively short periods when a photocell marking is calculated to pass the photocell unit. The invention also provides a packing machine which comprises means for the successive transformation of a packing material web provided with decoration and crease lines to a tube with a longitudinal joint, means for inserting contents into the tube, and for the transverse sealing of the tube and shaping of the formed package, rotatable crease monitoring device which comprises an element adapted to engage transverse crease lines of the material web passing thereby and a switch adapted to be acted upon by the monitoring element, which switch is adapted to instantaneously actuate in rhythm with the rotation of the nitorlng element a photocell unit disposed adjacent a tubular part of the material web.
268193
Ab Ziristor
Marks & Clerk
LandOfFree
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