Device and procedure for twisting a coil into perforations of flat components
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United States of America Patent
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Aug 3, 2010
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N/A
app pub date -
May 4, 2005
filing date -
May 4, 2004
priority date (Note) -
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Abstract
Described is a device and a procedure to twist a coil into perforations that are provided in the margin sections of flat components, sheets of paper in particular, with a drive that causes the rotation and axial in-feed of the coil, corresponding to the inclination of its helix shape. With a stopping device the coil is inhibited from moving further and a release brings the coil out of contact with the stopping device and into contact with the drive.
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