| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a planographic printing original plate, by which a coating liquid can continuously be appled for a long period of time by preventing clogging and extending the service life of a filter in the process of manufacturing the planographic printing original plate by applying the coating liquid containing a filler from which foreign matters are removed by a filtering device. <P>SOLUTION: The method for manufacturing the planographic printing original plate includes a step of applying a coating liquid containing a filler, the liquid supplied from a coating liquid supply unit having a coating liquid preparation tank, a liquid feeding pipe, a liquid feeding pump and a filtering device to a coating device, on a continuously carried belt-like plastic film support by using the above coating device to successively form at least a hydrophilic layer and an image forming layer, wherein the filtering device has a cake rock preventing means. <P>COPYRIGHT: (C)2007,JPO&INPIT |
