Web handling with tension sensing and adjustment
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United States of America Patent
Stats
-
Oct 10, 2006
Grant Date -
Feb 12, 2004
app pub date -
Jul 31, 2003
filing date -
Aug 8, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system of detecting and adjusting the normal force exerted by a web material around the circumferential surface of a cylinder is provided. Sensors associated with the cylinder surface are wired to a processor that compares detected normal web forces with a set value. An actuation device is activated by the processor to adjust the normal force exerted by the web by, e.g., adjusting the tension in the web material. A positioning device that preferably translates a web-wound spool is also provided as an option for the actuation device.
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