Portable flexographic proofer device

Details Portable flexographic proofer device Portable flexographic proofer device

B - Operations, Transporting

41

F

101/80

B41F 5/20 (2006.01)

Patent

CA 2003814

PORTABLE FLEXOGRAPHIC PROOFER DEVICE Abstract of the Disclosure A portable manually operated flexographic proofer device is provided which comprises a base; a top plate, mounted on the base, on which a printing substrate is received and which has an aperture therein: a cylindrical drive roll, having an elastomer covering on the cylindrical surface thereof, mounted within the base so that a portion of the cylindrical surface thereof is exposed through the aperture in the top plate; a drive motor for the impression roll for providing rotation thereof at a constant speed; and a pivotable applicator unit which carrier an aniulox cylinder and a transfer roller. In the operative position of the unit, the transfer roller exerts pressure on the portion of the drive roll exposed through the aperture in the top plate. A weight device of a calibrated weight is mounted on the applicator unit so that the pressure exerted by the transfer roller on the drive roll is substantially constant. A clutch-brake unit is disposed between the drive roll and the drive motor, and a variable speed control unit is provided for the drive motor.

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