Means for removing a layer of matted fibers from a filter drum
US4519821A · kind A · utility
3Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1982 |
| Grant date | May 28, 1985 |
| Priority date | — |
| Expiry date | Oct 18, 2002 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01H11/005
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter drum is screened off at the matted fibers take-off position on its interior face via a sealing membrane which is pressed by support sheets and a tightening element against the interior face. The drum is positioned within a housing whose interior is subjected to a suction force and is sealed off from the atmosphere by lip seals. A gap between a compression roll and a take-off roll is tightly filled by the compressed layer of matted fibers so that the entry of leakage air is prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.