Device and method for defibration of wood
US8172165B2 · kind B2 · utility
1Cited by
6References
28Claims
0Family size
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Inventor
Key dates
| Filing date | Apr 28, 2006 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Jan 6, 2028 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21B1/14
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A device for mechanical defibration of wood comprises a defibration surface for processing of wood raw material and loosening of fibers, said defibration surface comprising grinding grits fastened on a metal base surface. The grits (1) fastened on the metal base surface (2) are positioned within a determined distance from each other on the base surface, so that they form a regular defibration surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.