System and method for controlling the width of web material

Details System and method for controlling the width of web material System and method for controlling the width of web material

2006-03-21

2006-03-21

Lillis, Eileen D. (Department: 3654)

Advancing material of indeterminate length

Plural material-moving means

And intermediate storage

C226S045000, C226S004000, C226S016000

Reexamination Certificate

active

07014083

ABSTRACT:
A system and method for controlling the width of a web material supplied to a machine by adjusting the tension of the web material. An operator defines a target web width via an input device. The input device generates a reference signal representative of the target web width. A sensing device senses the width of the web material supplied to the machine and generate feedback signal representative of the sensed width. A control circuit compares the feedback and reference signals and generates a tensioning signal as a function of the comparison. A tensioning device is responsive to tensioning signal for adjusting web tension.

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