Refiner plate segment with pre-dam
US10378149B2 · kind B2 · utility
2Cited by
0References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 2017 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | Dec 4, 2037 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21D1/303
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a refiner plate segment in a refiner plate for mechanically refining of lignocellulosic material in a refiner, said refiner plate segment comprising at least a first, generally radially extending bar, a second, generally radially extending bar, a groove arranged and defined between said first, generally radially extending bar and said second, generally radially extending bar, and a main dam, which has a height H and is arranged in the groove, wherein a pre-dam is arranged in front of the main dam, said pre-dam has a height h which is less than the height H of the main dam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.