Printing method and device
US6354204B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2000 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Nov 13, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F27/1262
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A lithographic printing device has a plurality of plate cylinders for respective colors. A plurality of packing sheets are respectively attached to the plate cylinders, each packing sheet having a series of protruded pieces aligned in a circumferential direction of the respective plate cylinder. A plurality of press plates respectively provided on the packing sheets, each press plate having engaging holes into which the protruded pieces of the respective packing sheet are inserted. Each series of protruded pieces satisfies the following relation: 2D≦P≦4.06×103×D/W, where P is a pitch of the series of protruded pieces, D is a diameter of each protruded piece, and W is a width of the press plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.