Web control device

Details Web control device Web control device

1978-02-27

1979-05-22

Spar, Robert J.

Advancing material of indeterminate length

With material-responsive control means

To position material laterally

226 21, 226197, B65H 2526

Patent

active

041554965

ABSTRACT:
A device for direction control of a moving web includes a turning bar having a variable spaced drive the rotation speed of which is responsive to a sensor to correct deviations of the web from its intended path.

REFERENCES:
patent: 3434639 (1969-03-01), Cowles

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