Charge control for EB coated paperboard

Details Charge control for EB coated paperboard Charge control for EB coated paperboard

1989-12-06

1991-08-20

Pellinen, A. D.

Electricity: electrical systems and devices

Electric charging of objects or materials

361214, H05F 300

Patent

active

050419412

ABSTRACT:
An apparatus and method for removing an accumulated charge or for applying a predetermined electrical charge to a web of polymer coated paperboard that is printed with electron beam (EB) cured inks. During the EB printing process, the polymer coated surface may accumulate a charge in excess of 500 volts as a result of the EB irradiation. The accumulated charge may be removed by passing the web through a charging zone where a voltage is applied to the web having the same polarity as the charge on the web. A control system for measuring the charge on the web received by the EB irradiation and for adjusting the extent and sign of the voltage applied to the web for placing a predetermined electrical charge condition on the web is included.

REFERENCES:
patent: 2483542 (1949-10-01), Hooper
patent: 3670203 (1972-06-01), Whitmore, Jr. et al.
patent: 3671806 (1972-06-01), Whitmore et al.
patent: 3717791 (1973-02-01), Heyl et al.
patent: 3787706 (1974-01-01), De Geest
patent: 4363070 (1982-12-01), Kisler
patent: 4513683 (1985-04-01), Kisler

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