Apparatus and method for controlling moving material and the like
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United States of America Patent
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-
Sep 16, 1997
Grant Date -
N/A
app pub date -
Oct 16, 1995
filing date -
Oct 16, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus are provided for maintaining the edge of a moving web on a web handling apparatus at a desired operating path. The operating path of a web edge is monitored with respect to a first desired edge path. The web is secured for movement along an intended path of travel. The web edge is maintained at the first desired edge path. The web edge is monitored with respect to a second desired edge path as it is maintained on the first desired edge path. The web is automatically maintained along the second desired edge path.
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