Process for preparing photosensitive plates for printing
US4292389A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1980 |
| Grant date | Sep 29, 1981 |
| Priority date | — |
| Expiry date | Jan 24, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/162
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is provided a process for preparing a photosensitive plate for printing which comprises providing a heat-depositable fine powder having a constant directional size of 0.5-40.mu. onto the surface of a photosensitive plate for printing at a ratio of 0.005-0.5 g. of the said powder per m.sup.2 of the said plate to uniformly disperse and adhere the said powder onto the said surface, while preheating the right side (side on which powder adheres) and/or the reverse side of the said plate upon providing said powder or before or after providing, and subsequently contacting the right side of the said plate with a heating roll having a high releasing surface, whereby the said fine powder is fused and fixed on onto the surface of the said plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.