Embossing system
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United States of America Patent
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-
Aug 10, 2021
Grant Date -
Oct 24, 2019
app pub date -
Jan 23, 2018
filing date -
Feb 3, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An embossing system including: an embossing unit with at least one embossing roller arranged to emboss a web of paper intended to be joined with a further web by gluing; and a gluing unit associated with the embossing unit, with a tank containing the glue used to perform the gluing and a glue dispensing device including a cliche roller adapted to distribute by contact the glue contained in the tank on one of the webs while the embossing is performed, the cliche roller rotating with a pre-fixed angular velocity around an axis parallel to said at least one embossing roller. The system further includes: a sensor to produce electrical signals having amplitude and/or frequency related to the vibrations at which the cliche roll is instantaneously subject.
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