Device for dewatering a material web
US8349137B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2008 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Feb 12, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/10606
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a dewatering device for dewatering a material web (5), particularly a tissue web, in a paper machine where the dewatering device is placed after a forming unit (16) and before a thermal drying device (11). The dewatering device consists of a press roll (1) with a press belt (3) running round it. Here, the material web (5) is carried into the dewatering device either on a water-absorbing belt (4) or on a wire (10). The water-absorbing belt (4) is placed in the dewatering device between the material web (5) and the press belt (3). This invention also relates to a dewatering process performed with the dewatering device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.