DEVICE FOR ADAPTING THE CONTROL OF A SYSTEM FOR PROCESSING FILM WEBS
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United States of America Patent
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Mar 25, 2015
filing date -
Mar 26, 2014
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Abstract
The device for adapting the control of a system for processing film webs, especially the control of a blister pack machine, comprises a central control unit, which supplies a plurality of work stations of the system with control commands, and a device for detecting splices in the film web. The device for detecting splices comprises a distance-measuring unit, which generates sensor signals, which track the change in the thickness of the film web. An analog evaluation unit with a differentiator for differentiating the sensor signals and a downline comparator for comparing the voltage signals output by the differentiator with at least one previously determined limit value outputs decision signals on the basis of the comparison to the control unit, which adapts the control commands for the work stations accordingly.
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