Device for controlling unwinding in a web-feeding device of a pr

Details Device for controlling unwinding in a web-feeding device of a pr Device for controlling unwinding in a web-feeding device of a pr

1987-06-25

1988-12-27

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226118, B65H 5900, B65H 2024

Patent

active

047935642

ABSTRACT:
A device for controlling an unwinding of a continually fed material web in a printing machine comprises a web storage to which the web is loaded from the unwinding roller and which includes a housing-fixed roller group and a movable roller group. An inlet and an outlet rollers of the housing-fixed roller group are rotation-angle coupled with each other. The web storage serves as a control device for controlling the peripheral speed of the unwinding roller in dependence on the speed of the draw-in device.

REFERENCES:
patent: 3822838 (1974-07-01), Butler, Jr. et al.

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