Blade element and refiner
US9267234B2 · kind B2 · utility
2Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2013 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | Mar 7, 2034 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21D1/303
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A refiner (1, 2, 3) for refining fibrous material. And a blade element (18) for a refiner (1, 2, 3) intended for refining fibrous material. The blade element (18) having a refining surface (18′), which has blade bars (21, 23) and blade grooves (22, 24) between them. The top surface of at least one blade bar (21, 23) is provided with refining grits (25). The blade element (18) has portions (29, 30) forming a protruding part extending away above the refining surface (26a, 26b) and above the blade bars (21, 23) or the refining grits (25) on the refining surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.