DUAL WEB CONVEYANCE
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United States of America Patent
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Issued Date -
May 19, 2016
app pub date -
Nov 25, 2014
filing date -
Nov 25, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A dual web conveyance system includes a first unwind unit configured to unspool a first web from a first spool, a first rewind unit configured to spool the first web around a second spool, a second unwind unit configured to unspool a second web from a third spool, a second rewind unit configured to spool the second web around a fourth spool, and a control system. The control system includes a first drive control unit configured to control a first unspooling speed of the first unwind unit, a first tension control unit configured to control a first spooling tension of the first rewind unit, a second drive control unit configured to control a second unspooling speed of the second unwind unit, and a second tension control unit configured to control a second spooling tension of the second rewind unit.
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