B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
32/69
B05C 13/00 (2006.01) B05C 5/00 (2006.01)
Patent
CA 1145134
ABSTRACT OF THE DISCLOSURE A curtain coater includes separate infeed and outfeed con- veyors defining a space. Two separate coating systems are mounted on a carriage in the space for selective movement into a coating posi- tion. Each coating system includes a separate coating head, trough for the recovery of unused coating material, and doctor blade. A chrome roll is positioned in the space for selective engagement by the doctor blades. When the first head is in the coating position, the first doctor blade engages the roll and the second doctor blade is in a storage position covering the second trough to close the second coating system. When the second coating system is in the use posi- tion, the first doctor blade is in the storage position over its trough and the second doctor blade is in its use position in egagement with the roll. A synchronous driving mechanism for the infeed conveyor, roll and outfeed conveyor includes hydraulic motors for the roll and outfeed conveyor. These hydraulic motors are coupled in series in a hydraulic circuit to insure their synchronous operation. The infeed conveyor is driven through an air clutch assembly from the roll to insure its synchronous operation with the roll.
342652
Clayton A. Wiley
Kirby Eades Gale Baker
LandOfFree
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