Method for controlling the position of a web moving along a give

Details Method for controlling the position of a web moving along a give Method for controlling the position of a web moving along a give

1987-11-10

1989-08-29

Werner, David

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226 3, 226 19, B65H 1600

Patent

active

048609641

ABSTRACT:
A method for controlling the position of a web moving along a given path, which is effective especially when a web travelling speed varies. In the method, the web travelling speed is detected and then a correction speed for correcting the meandering of the web is varied in accordance with the web travelling speed detected, so that the meandering of the web can be corrected with a constant accuracy independent of the variations of the web travelling speed.

REFERENCES:
patent: 3570735 (1971-03-01), Kurz
patent: 3910527 (1975-10-01), Buhler et al.
patent: 4049213 (1977-09-01), Hank et al.
patent: 4077579 (1978-03-01), Seleski et al.

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