Advancing material of indeterminate length – With material-responsive control means – To regulate longitudinal movement of material
Patent
1997-01-27
1998-09-29
Marmor, Charles A.
Advancing material of indeterminate length
With material-responsive control means
To regulate longitudinal movement of material
226 27, 364162, B65H 2304, B65H 2318, G05B 1302
Patent
active
058135871
ABSTRACT:
A cascaded loop controller is used to control register or repeat lengths and web tension on laminating machines where the inner control loop utilizes register-length sensors near the unwind end of the laminating machine to make rapid adjustments in web tension that are necessary immediately following a reel splice and an outer control loop that provides a remote register-length set-point to the inner loop based upon a desired repeat length as measured near the rewind end of the laminating machine.
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Kaness Matthew A.
Marmor Charles A.
McDaniel J. R.
Schmalz R. L.
Westvaco Corporation
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