Method of compensation of momentary lack of filter segments in multi-segment filter manufacturing line, and device enabling compensation of momentary lack of filter segments in multi-segment filter manufacturing line
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United States of America Patent
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Dec 1, 2015
Grant Date -
Jan 31, 2013
app pub date -
Mar 28, 2011
filing date -
Mar 29, 2010
priority date (Note) -
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Abstract
A method of compensation of momentary lack of filter segments in a manufacturing line of multi-segment filters used in tobacco industry, when an occurrence of a gap on a path feeding out sets of filter segments of a flute of a cutting drum, caused by the lack of a filter rod in the flute of the drum, the operation of units before the gap is slowed down, with simultaneous acceleration of the operation of units behind the gap, until the moment of elimination of the gap. A delivery unit having the form of a gripper holding a set of filter segments after taking it over from a out-feeding unit, a sensor detecting the lack of a filter rod in the flute of the drum is situated, in the zone of the out-feeding path for sets of filter segments at least one second sensor confirming readings of the first sensor.
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