Device for intermittent feeding of webs

Details Device for intermittent feeding of webs Device for intermittent feeding of webs

1979-03-19

1981-02-10

Christian, Leonard D.

Advancing material of indeterminate length

With material-responsive control means

To regulate longitudinal movement of material

226 30, 226 95, B65H 2524, B65H 1728

Patent

active

042496888

ABSTRACT:
The transport device for intermittently feeding a web into or from a printing machine, for example, includes a rotary hollow cylinder having a perforated cylindrical wall for supporting the web, a stationary suction segment arranged in the cylinder in contact with the portion of the inner cylindrical surface that is below the web, and a main drive adapted for imparting an intermittent rotation to the cylinder, and a correction drive coupled to electronic registration detector to impart an additional adjustment to the forward drive in one feeding interval.

REFERENCES:
patent: 3499614 (1970-03-01), Badum

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