Method and apparatus for web printing
US4177730A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1976 |
| Grant date | Dec 11, 1979 |
| Priority date | — |
| Expiry date | Nov 4, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S101/36
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for makeready of a web press having an unwind apparatus for supporting a rolled web of material and having a plurality of rotatable members in spaced alignment defining a path for the web and arranged to perform operations on said web such as printing, perforating, numbering, punching or slitting, wherein the members are rotated in synchronism and are adjustable laterally and/or circumferentially with respect to the web path, is disclosed as comprising markings and scales establishing a reference position in the unwind apparatus for the rolled web and establishing separate side reference positions for each of said rotatable members which has a lateral adjustment with respect to the unwind reference position, and further markings and scales establishing a circumferential reference position for each of said rotatable members with respect to each other. A coordinate layout system for preparing a makeready job sheet is also provided with marks corresponding to the reference positions and scales in dimensions corresponding to said scale devices. A job sheet having dimensional settings is prepared with the layout system, using a representation of the desired produc…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.