Method and device for treating a fibrous material web in a long nip pressing unit
US11414816B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2019 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Feb 19, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B13/24
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for treating a pulp web in a paper or tissue machine with an extended-nip press unit. This extended-nip press unit includes a shoe press roll with a revolving press belt and a backing roll, where the pulp web is dewatered in the extended press nip between the backing roll and the press belt and where the pulp web is carried on the revolving press belt of the press roll after the extended press nip to a transfer fabric that receives the pulp web. The transfer fabric is guided over a stationary transfer device in the transfer area. A corresponding device for treating the pulp web.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.