Method for reducing web printing press start-up waste, and related printing press and printed product
US9873243B2 · kind B2 · utility
0Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2016 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Jul 13, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24851
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for operating a web printing press is provided. The method includes unwinding a substrate from a roll to define a web; during makeready, printing the web using at least one print unit, the makeready ending when the web is being printed to a desired standard; stopping the web after the makeready; rewinding the web so that the substrate printed during the make ready pass back through the print unit; and unwinding again the rewound substrate to pass through the print unit. A press and printed product are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.