Web tensioning system
US4838498A · kind A · utility
12Cited by
8References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 22, 1988 |
| Grant date | Jun 13, 1989 |
| Priority date | — |
| Expiry date | Feb 22, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H23/1825
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A printing press web tensioning system comprising a motion driven belt drive for the paper reel, dancer roll means, pneumatic means for changing the tension required for deflection of the dancer roll and control means for automatically varying operating values of subcomponents of the tensioning system to carry out webbing, slack removal, start up and normal running operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.