Ink jet plate-making method, ink jet plate-making apparatus, computer-to-cylinder type lithographic printing process and computer-to-cylinder type lithographic printing apparatus
US6481830B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2001 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | Jun 20, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41P2227/70
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet plate-making method comprising: forming an image directly on a plate material by an electrostatic ink jet method comprising ejecting an oil ink using electrostatic field based on signals of image data; and fixing said image to manufacture a printing plate, wherein said process uses: an ink tank for storing said oil ink, an ink circulation line for stirring the oil ink stored in said ink tank, and an ink feed line for feeding said oil ink to an ink jet ejection head, branched from said ink circulation line, and wherein the ink is circulated to said ink circulation line and thereby stirring of the ink stored in said ink tank and feeding of the ink to said ink jet ejection head are simultaneously performed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.