Printing – Inkers – Fountains
Patent
1998-12-21
1999-11-02
Asher, Kimberly L.
Printing
Inkers
Fountains
101484, 222325, 222389, B41F 3102, B41F 154, G01F 1106, G01F 1142
Patent
active
059749717
ABSTRACT:
The invention relates to a method and a device for feeding printing ink in an inking unit of a printing press having an ink fountain to which, for the purpose of metered filling, there is assigned a cartridge in a holder, the cartridge having a displaceable cartridge piston, which is acted upon pneumatically for the purpose of pressure discharge, and having at the other end a closable outlet opening. The device includes a holder for the cartridge, the holder having a controllable pneumatic connection, and a valve that is closed when the cartridge is being acted upon by pressure. Also provided are a spacing or distance sensor for determining the position of the cartridge piston in the upper part of the holder, and a pneumatic actuator for opening the cartridge valve, pressure being applied separately to the cartridge and to the actuator. The method provides for the cartridge to be acted upon by a pneumatic operating pressure, for the position of the cartridge piston to be determined, for the cartridge valve to be opened, for the cartridge piston to be moved into a preset desired position, and for the cartridge valve to be closed when this position is reached.
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Moller Renko
Peick Hubert
Asher Kimberly L.
Greenberg Laurence A.
Heidelberger Druckmaschinen Aktiengesellschaft
Lerner Herbert L.
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