B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/27, 216/30,
B65B 9/12 (2006.01) B65B 41/18 (2006.01) B65B 9/20 (2006.01)
Patent
CA 1278503
Abstract of the Disclosure A method and apparatus for controlling the relative position of printing appearing on packages formed by form-fill-seal packaging machine in which individual packages are formed in substantially continuous fashion from a web of pre-printed package stock. Pre-printed registration indicia are detected on the web of package stock, and a control signal is generated which actuates a tension regulating device which varies the tension applied to the package stock as the package stock is formed into packages. In a preferred embodiment, the tension regulating device comprises a roll having selectable rotational resistance, over which the web is partially wrapped.
551772
Gowling Lafleur Henderson Llp
Milliken Research Corporation
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