Can coater with improved deactivator responsive to absence of a

Details Can coater with improved deactivator responsive to absence of a Can coater with improved deactivator responsive to absence of a

1991-01-10

1992-09-22

Crowder, Clifford D.

Printing

Special article machines

Rotating object

101216, 101364, 101365, 101376, 101487, 101492, B41F 1722

Patent

active

051487420

ABSTRACT:
An offset blanket print/coat assembly for printing or coating rotating containers has a blanket wheel supporting a plurality of blanket assemblies by means of radial frame plates and an air cylinder operable for retracting the blankets inwardly on the blanket wheel. The blanket assemblies move in both a radial direction and an axial direction in moving from a printing position to a stop-print position in response to the detection of the absence of a container of a mandrel approaching the printing position. Novel inker blade adjustment means adjusts the fountain blade relative to the fountain roll both inwardly and outwardly relative to the fountain roll and holds the blade edge in various desired positions along its entire length by the adjustment of individual adjustment members positioned along the blade length. A plastic seal is urged from a slot in each side plate of an inker fountain against the end of the fountain roll and provides a lightweight and secure liquid seal between the seal and the fountain and also between the lower end of the seal and the fountain blade to minimize ink leakage. The ink rolls are cooled by lubricating oil pumped through them and then sprayed into the gear case of the gears driving the ink rolls so as to cool the rolls and the gears and provide required gear lubrication. Oil from the sump of the gear cases passes through a temperature control unit for cooling the oil prior to the pumping of the oil back to the ink rolls.

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