Device for guiding a transversely stable web

Details Device for guiding a transversely stable web Device for guiding a transversely stable web

1992-06-16

1995-06-06

Jillions, John M.

Advancing material of indeterminate length

With material-responsive control means

To position material laterally

226171, B23Q 1600, B65H 2024

Patent

active

054215005

ABSTRACT:
For guiding webs of paper or cardboard, a guide cylinder extending across half of the web grips onto the surface of the web and achieves moving corrections on the webs by rotation or swinging. The long, linear support zone of the guide cylinder causes a high mechanical stress, whereby the guide cylinder exerts almost no corrective effect in its center zone. By dividing the guide cylinder into at least two spaced-apart, parallel guide rolls having their axes disposed perpendicular to the running direction of the material web, a suitable larger effective area is obtained for correction of the direction of movement.

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patent: 4334759 (1982-06-01), Clausing
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patent: 4688784 (1987-08-01), Wirz
patent: 4726501 (1988-02-01), Wiley
patent: 4795070 (1989-01-01), Blanding et al.
patent: 4835547 (1989-05-01), Ohushi et al.
patent: 4844312 (1989-07-01), Gomi et al.
patent: 4960234 (1990-10-01), Focke
patent: 5052296 (1991-10-01), Shiba

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