Tension control device for a printing press
US5894797A · kind A · utility
11Cited by
14References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1997 |
| Grant date | Apr 20, 1999 |
| Priority date | — |
| Expiry date | Aug 11, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2557/20
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A tension control device (50) for a printing press (10) having an adjustment roller (52), a device (64 and 66) for measuring the tension on opposed sides of a web (14) passing downstream from the adjustment roller (52), and a device (82) responsive to the measuring device (64 and 66) for automatically approximately equalizing the tension of the web (14) on the adjustment roller (52) on opposed sides of the adjustment roller (52).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.