Tooth refiner plates having V-shaped teeth and refining method
US7478773B2 · kind B2 · utility
10Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2006 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Feb 21, 2026 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21D1/006
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A refiner plate including a generally planar surface having annular rows of teeth arranged concentrically on the plate, and at least one of said rows includes teeth including a leading edge corner angle of less than 90 degrees. These teeth may include a leading sidewall having a radially outward portion slanted in a direction opposing the rotation of the plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.