INK ARRANGEMENT IN PRINTING MACHINE

Title:

INK ARRANGEMENT IN PRINTING MACHINE

Document Type and Number:

WIPO Patent Application WO/1993/013944

Kind Code:

A1

Abstract:

An ink arrangement in a printing machine, wherein, between an ink fountain roller and an ink distributing roller, which are supported by a frame in a manner to be in parallel to each other, a plurality of ink ductors divided in the axial direction of said two rollers are disposed at intervals in the axial direction, and the respective ink ductors are adapted to be individually changed over between two positions between said two rollers in such a manner that the respective ink ductors are changed in the states of contact with the ink fountain roller and the ink distributing roller. A fixed shaft fixed to the frame extends through the interiors of the plurality of cylindrical ink distributing rollers with gaps therebetween in the radial direction, permanent magnets are provided on the inner peripheral portions of the ink distributing rollers, magnetic devices including electromagnets are respectively provided on the outer peripheral portions of the fixed shaft inside the respective ink distributing rollers, and the ink distributing rollers are changed over between the two positions in the state where the permanent magnets of the respective ink distributing rollers and the magnetic devices of the fixed shaft are opposed to each other with predetermined gaps therebetween in the radial direction by the change-over of the state of current supply in the electromagnets of the respective magnetic devices.

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Inventors:

IZUME MASAYUKI (JP)

Application Number:

PCT/JP1993/000017

Publication Date:

July 22, 1993

Filing Date:

January 08, 1993

Export Citation:

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Assignee:

MAR I PLANNING INC (JP)
IZUME MASAYUKI (JP)

International Classes:

B41F31/14; B41F31/30; (IPC1-7): B41F31/14

Foreign References:

JPS6038160A

1985-02-27

Other References: