Rapid tearing device of a strip in a rewinding machine
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United States of America Patent
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Mar 17, 2015
Grant Date -
Dec 20, 2012
app pub date -
Jun 19, 2012
filing date -
May 6, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A rapid tearing device of a strip in a rewinder for the winding of paper around a core (15) to produce a log (12), where said rewinder has a formation area of the log (12), for moving cores (15) forward into a channel (16) defined by a series of cradles (17) by an upper winding roller (18), the device having a blade (24), having the dimension of the width of the rollers (18, 19, 20), which can be moved by actuators (31, 35; 30, 22, 25) between a rest position and an engagement position on a core (15) when the core (15) is unloaded from said conveyor (13) by means of an introducer (34) and introduced into the channel (16) thus blocking, between core (15) and blade (24), the paper (11) which is being unwound.
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