Zero alcohol offset printing system
US9956758B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2016 |
| Grant date | May 1, 2018 |
| Priority date | — |
| Expiry date | Feb 26, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41N2207/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a zero alcohol offset printing system, comprises the following parts: Plate cylinder (3), its outer cylindrical surface is covered by printing plate (4); Ink exertion system (1), which comprises ink source (8) and several inking rollers, to exert ink to the printing plate; Dampening liquid exertion system (2), which comprises dampening liquid source (7) and several dampening rollers, to exert dampening liquid to the printing plate; wherein the dampening rollers include a distributor roller (6); wherein the structure of the distributor roller (6) is as follows: it comprises a metal cylinder surrounded by a ceramic layer, and the ceramic layer has texture on its outer surface; wherein the content of alcohol or ether in the dampening liquid is zero.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.