Press section and permeable belt in a paper machine
US8440055B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2010 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Mar 3, 2031 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21F11/145
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A pressing arrangement including at least one first fabric and second fabric both being permeable. A paper web is disposed between the first fabric and the second fabric. A pressure producing element is in contact with the first fabric. A support surface of a supporting structure is in contact with the second fabric. A differential pressure is provided between the first fabric and the support surface that acts on the first fabric, the paper web, and the second fabric, whereby the paper web is subjected to mechanical pressure and experiences a predetermined hydraulic pressure so as to cause water to be drained from the paper web. The pressing arrangement is structured and arranged to allow air to flow in a direction from the first fabric through the paper web and through the second fabric.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.