Patent ID: 6152618
Filing Date: 2000-11-28
Classification: G03D

Abstract:
An apparatus for the processing of a web of photographic material, in order to prepare sections of said web for use as printing plates in a printing operation, said apparatus comprising:tank means adapted for containing a body of liquid,conveyor means adapted for guiding and conveying said web along a conveying path which path comprises in succession an entry section in which said web enters said body of liquid, a treatment section in which said web is treated by being exposed to liquid of said body of liquid, and an exit section in which said web leaves said body of liquid,brush means adapted for brushing a face of said web at a stage located within said treatment section,vessel means defining a downwards open and substantially air tight cavity which extends above and at least partially around said brush means, andevacuation means adapted for being operated to evacuate said cavity defined by said vessel of air so as to create a subatmospheric pressure within at least part of said cavity.