Web controlling apparatus

Details Web controlling apparatus Web controlling apparatus

1980-12-30

1983-05-31

Christian, Leonard D.

Advancing material of indeterminate length

With material-responsive control means

To position material laterally

226 20, 226 97, 226197, B65H 2526

Patent

active

043857167

ABSTRACT:
An apparatus for controlling an outgoing web leaving an air cushion turning bar, which enables a convenient transport of longitudinally curved webs over such air turning bar. The apparatus comprises at least one axially displaceable roller adapted to be moved laterally upon a deviation in the web to bring the same to its outgoing path, and a second roller capable of bodily tilting movement and preferably axial movement as well, to differentially lengthen the path of the web edge margin remote from the direction of deviation.

REFERENCES:
patent: 2331030 (1943-10-01), King
patent: 2722415 (1955-11-01), Wood, Jr.
patent: 3826416 (1974-07-01), Tagaki et al.

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