B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
33/172, 156/32,
B65B 41/12 (2006.01)
Patent
CA 1314005
ABSTRACT An apparatus for metering a foil web (5) extending vertically downwards through the path of movement (1) of objects (2) to be wrapped thereby the free cutting tool being arranged above said path (1) allowing to cut off the metered web (5''). Between the supply roll (4) and the cutting tool (10), a metering roller pair (7) is arranged, is coupled with a drive means (8) adapted to be adjusted to a desired web length (5''), and beyond said cutting tool (10), a gripping assembly (11...16) for the free end of the foil web (5') supplied by the metering roller pair (7) is arranged which is movable vertically downwards from a starting position with the supply speed of said web, and is adapted to grip the free end of said web (5'') with some friction, said friction being so that, when interrupting the supply by the metering roller pair (7), this end is released, the length of the path of movement of said gripping assembly (11...16) corresponding with the largest web length (5'') to be metered, said assembly being adapted to be returned to the starting position before the supply of the next foil web (5') begins. In particular the gripping assembly comprises two pairs of endless chains (14a, 14b) or the like being guided over an upper and a lower reversing wheel (13), said pairs being arranged at both sides of the path of the foil web (5') to be metered, transverse rods (16a, 16b) being arranged which are provided with friction parts, which rods (16) of different pairs gripping the free end of an intermediate foil web (5').
582002
Ridout & Maybee Llp
Sollas Holland B.v.
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