Method for dampening a printing form for offset printing
AssigneeHeidelberger Druckmaschinen AG
InventorsKlaus Olawsky, Rudi Junghans
Life of this patent
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Abstract
A method for dampening a printing form for offset printing wherein a quantity of dampener applied to the printing form by transfer rollers is controlled by adjusting the rpm of one of the transfer rollers in accordance with the rotary angle position of a channel or gap of a form cylinder carrying the printing form includes periodically varying the rpm of at least one of the transfer rollers during each revolution of the form cylinder.
Claims2
A method for dampening a printing form carried by a form cylinder having a channel or gap which comprises using a metering roller to transfer dampening fluid to a damper applicator roller and adjusting the RPM of the metering roller in accordance with the rotary angle of the channel or gap of the form cylinder during each revolution of the form cylinder.
Dependencies are inferred from the claim text.