Methods and apparatus for precision guiding a web

Details Methods and apparatus for precision guiding a web Methods and apparatus for precision guiding a web

1976-03-29

1978-05-30

Schacher, Richard A.

Advancing material of indeterminate length

Processes

By fluid current

226 21, 226 97, 226196, 242 76, B65H 1732

Patent

active

040919790

ABSTRACT:
A moving web is precision guided by twisting the moving web about an axis extending in a direction of movement of the web to provide a yaw force acting continuously in a predetermined direction transversely of the web, and resisting that yaw force at a predetermined location.

REFERENCES:
patent: 2862715 (1958-12-01), MacDonald
patent: 3032246 (1962-05-01), Fritze
patent: 3140033 (1964-07-01), Zivny
patent: 3143270 (1964-08-01), Cohen
patent: 3243089 (1966-03-01), Cvacho
patent: 3268222 (1966-08-01), Off
patent: 3608796 (1971-09-01), Morse
patent: 3658227 (1972-04-01), Stephens
patent: 3726588 (1973-04-01), Moser
patent: 3799422 (1974-03-01), Matsumoto

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