Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making printing plates
Patent
1982-12-08
1984-05-22
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making printing plates
118401, 118407, 118410, 118411, 118412, 118413, 118120, 430306, G03C 500
Patent
active
044502265
ABSTRACT:
An apparatus and method is disclosed which will rapidly provide a uniform layer of photopolymerizable material for a printing plate. A regulated flow of liquid photopolymerizable resin is supplied from an external reservoir into a manifold which is approximately C-shaped in cross-section and has one at least partially open side face. A gate is disposed before the open side face of the manifold and this gate is vertically adjustable so that together the gate and open side face define an orifice slot or passageway from which a uniform curtain of the resin may flow onto a platemaking surface. The manifold member has a downward projecting wedge shaped lip which acts as a doctor blade on the liquid resin layer deposited as the manifold is moved across the plate-making surface.
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Brammer Jack P.
Hercules Incorporated
Staves Marion C.
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