Equipment For Transversal Perforation, On The Fly, Of Continuous Forms In Movement
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United States of America Patent
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Issued Date -
Aug 11, 2011
app pub date -
Feb 7, 2011
filing date -
Feb 8, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Equipment for transversal perforation, on the fly, of continuous forms in movement, comprises a perforating device having a blade support with a perforating blade, which is actuated for the rotation by a blade servomechanism, in synchronism with the form for the perforation. A contrast member including active sections and remaining inactive sections is rotated by a contrast servomechanism parallel to the support blade. In a condition of perforation, each active section, in synchronism with the form, can provide function of contrast for the perforation blade. In a condition of non-perforation, each inactive section is spaced away from a surface of movement of the form, whereby avoiding the perforation on the passage of the blade.
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