Back to results
US 4,288,521 AGranted
Process for the production of photosensitive plates for printing
AssigneeKonishiroku Photo Industry Co., Ltd.
InventorsHiroshi Kojima, Kunio Ito, Masami Akiyama, Takeshi Tanaka
Life of this patent
Estimating the term…
Abstract
There is provided a process for the production of a photosensitive plate for printing which comprises providing a given amount of a fine powder having a constant directional size of 0.5-40 .mu. from a dust supplier directly or via a distributor to a cyclone, feeding the said powder together with a small volume of air from the bottom of said cyclone, uniformly dispersing and adhering the so flowed fine powder onto the surface of a continuously running photosensitive plate for printing.
Claims6
A process for the production of a photosensitive plate for printing which comprises:
- feeding a volume of air containing a given amount of a fine powder having a constant directional size of 0.5-40.mu. to at least one cyclone;
- downwardly discharging from the bottom of said cyclone said given amount of said fine powder together with a volume of air which is small relative to the volume of air fed to said cyclone;
- and
- uniformly dispersing and adhering the discharged fine powder onto the surface of the side of a photosensitive plate which contains a photosensitive layer which is continuously moving past said cyclone.
1 more element
Dependencies are inferred from the claim text.