Double cut folder with variable knife mounting locations on cutting cylinders
US9434083B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2013 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Apr 23, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/4838
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A double cut folder is provided for a printing press. The folder has a first cutting cylinder pair including a first knife cylinder and a first anvil cylinder for perforating a web, and a second cutting cylinder pair including a second knife cylinder and a second anvil cylinder for cutting the web into signatures. Each cutting cylinder pair includes a plurality of knife mounting locations and a plurality of cutting rubber locations. Each knife mounting location is configured to hold a knife box. A first subset of the plurality of knife mounting locations each have a knife box secured therein, and a second subset of the plurality of knife mounting locations do not have a knife box secured therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.