Tension control device for a printing press
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United States of America Patent
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Dec 9, 2003
Grant Date -
Jul 4, 2002
app pub date -
Aug 24, 2001
filing date -
Aug 30, 1995
priority date (Note) -
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Abstract
A tension control device for a printing press having an adjustment roller, with a web of the press passing from a supply roll of the web to the adjustment roller. Means are provided for measuring the tension on opposed sides of the web passing downstream from the adjustment roller, and means are provided responsive to the measuring means for automatically approximately equalizing the tension of the web by adjustment of the adjustment roller on one end only of the adjustment roller.
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