Reel shaft and reel-up for reeling a paper web
US7503520B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2002 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | Jan 5, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/5122
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A reel shaft for reeling a paper web in a reel-up, which reel-up includes at least one unit that is mobile in the longitudinal direction of the paper machine and supports a pair of opposite engagement members each of which includes an engagement part, which engagement parts are arranged for rotatably carrying and detachably engaging the reel shaft during reeling. In accordance with the invention, the reel shaft is free of a support shaft and has a self-supporting, tubular sleeve substantially formed of fiber-reinforced plastic, which sleeve has an envelope surface on which the initial wrapping of the paper web shall be performed, and also an internal surface defining an axial channel terminating in axial openings at the ends of the reel shaft. The invention also relates to a reel-up for such reel shafts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.