Device that is configured to handle foil for use in a printing process
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United States of America Patent
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Jul 14, 2020
Grant Date -
Nov 30, 2017
app pub date -
May 26, 2017
filing date -
May 30, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A device for handling foil for use in a printing process during which portions of a layer of the foil are transferred to a substrate comprises a foil input unit for inputting at least one foil web to the device, a number of rotatable shafts and bars for directing the at least one foil web to the printing press and retrieving at least one used foil web from the printing press, an arrangement for controlling operation of the device, and a web tension feedback unit for detecting at least one characteristic related to an actual web tension during operation of the device so as to realize web tension control by adjusting motion and/or positioning of at least one of the rotatable shafts and bars in case the characteristic appears to deviate from a reference related to a set web tension.
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