Printing – Planographic – Rotary machines
Patent
1979-10-15
1981-06-16
Eickholt, E. H.
Printing
Planographic
Rotary machines
101213, 101217, 101227, 101232, 101366, 1014151, B41F 900
Patent
active
042730430
ABSTRACT:
An apparatus for printing labels is disclosed, and more particularly a portable apparatus which will reproduce indicia of a master sheet on a continuous web substrate and thereafter cut the web into individual labels. The apparatus is provided with a rotatable plate roller, to which the master sheet is attached. A fountain solution module is provided which applies a fountain solution to the surface of the master sheet, and an ink module is provided which supplies ink to the master sheet in the areas which the fountain solution has not adhered. A blanket roller is provided having a diameter equal to the plate roller and is in contact therewith. The plate and blanket rollers are driven at equal speed such that the ink on the plate roller will be accurately transferred to the blanket roller. In addition, a freewheeling impression roller is provided which is mounted for reciprocating movement into and out of contact with the blanket roller. During a printing operation, a micro-switch actuates a solenoid which selectively moves the impression roller into contact with the blanket roller such that a continuous web fed adjacent the nip between the blanket and impression rollers is drawn therethrough thereby transferring the ink to the continuous web. A second micro-switch is provided to deactivate the solenoid thereby halting the printing operation and a third micro-switch is provided to activate a cut-off means for sizing the label. The positioning of the micro-switches may be varied to vary the size of the label.
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Casella Anthony J.
Eickholt E. H.
Stallman Michael A.
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