Refining element
US6592062B1 · kind B1 · utility
22Cited by
10References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 10, 2001 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Sep 10, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB02C7/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Refining elements for use in a disk refiner are provided, in which the refining elements include an outer surface with a plurality of raised bars separated by grooves, the raised bars including an upper surface having a first longitudinal edge and at least one step defining a second longitudinal edge at an intermediate height between the first longitudinal edge and the outer surface of the refining element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.