Screw device for dewatering and defibrating ligno-cellulose material
US6145766A · kind A · utility
9Cited by
8References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1998 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Feb 12, 2018 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21D1/22
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a device for dewatering and defibrating ligno-cellulose material using a screw. It is primarily characterized by a defibrating element (9) directly adjoining the body (2') of a first screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.