Mechanical pulping refiner plate having curved refining bars with jagged leading sidewalls and method for designing plates
US7900862B2 · kind B2 · utility
9Cited by
15References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 8, 2008 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | Sep 23, 2028 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21D1/306
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A refiner plate for a mechanical refiner of lignocellulosic material including: a refining surface on a substrate, wherein the refining surface is adapted to face a refining surface of an opposing refiner plate; wherein the refining surface includes bars and grooves between the bars and the bars have at least a radially outer section in which the bars include a leading sidewall having an irregular surface in the outer section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.