Pressure cylinder with electrostatically assisted ink transfer

Details Pressure cylinder with electrostatically assisted ink transfer Pressure cylinder with electrostatically assisted ink transfer

1993-02-17

1994-06-21

Eickholt, Eugene H.

Printing

Intaglio

Rotary

101375, B41F 900

Patent

active

053220110

ABSTRACT:
A pressure cylinder is accommodated in a printing assembly and provided with electrostatically assisted ink transfer. Its shaft is mounted in the framework of a printing press. It has a semiconductive jacket that is mounted over a steel surface and can be electrically charged. The shaft is electrically connected to the surface of the cylinder and electrically insulated from the framework. An electric potential can be applied to the shaft in order to charge the semiconductive jacket.

REFERENCES:
patent: 2558900 (1951-07-01), Hooper
patent: 2558901 (1951-07-01), Hooper
patent: 3477369 (1969-11-01), Adamson et al.
patent: 3489082 (1970-01-01), Morris
patent: 3625146 (1971-07-01), Hutchison
patent: 4099462 (1978-07-01), Coberley et al.
patent: 4364313 (1982-12-01), Hyllberg
patent: 4372205 (1983-02-01), Pflaum
patent: 4539908 (1985-09-01), Spengler
patent: 4909147 (1990-03-01), George et al.
patent: 4966555 (1990-10-01), Zagorski
patent: 5044275 (1991-09-01), Knopf et al.

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