Advancing material of indeterminate length – Processes – Involving registration of material
Reexamination Certificate
2007-11-20
2007-11-20
Cuomo, Peter M. (Department: 3654)
Advancing material of indeterminate length
Processes
Involving registration of material
C226S021000, C226S115000, C226S117000, C242S615100, C242S615200
Reexamination Certificate
active
10719557
ABSTRACT:
A method of controlling a moving web in relation to a selected transverse position comprising positioning a first positioning guide proximate a second positioning guide wherein the second positioning guide has a mechanism for positioning the web having minimal backlash. The web is passed through the first positioning guide and the second positioning guide. A sensor detects the transverse position of the moving web at the second positioning guide. The sensor transmits the transverse location of the web at the second positioning guide to a controller. The controller manipulates a zero-backlash actuator wherein the zero-backlash actuator is coupled to the second positioning guide such that the transverse position of the web is controllable to within a preselected dimension of the selected transverse position.
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Carlson Daniel H.
Dobbs James N.
Swanson Ronald P.
3M Innovative Properties Company
Cuomo Peter M.
Franzen Rick L.
Kim Sang
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