Solid-bowl centrifuge screw having a screw flight
US11406991B2 · kind B2 · utility
0Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2018 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Apr 22, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/173
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A solid-bowl centrifuge screw with a screw flight is provided. The screw flight has at least a first welding layer on a base body of the solid-bowl centrifuge and at least a second welding layer on the first welding layer. Thus, plural welding layers are disposed successively on one another and are applied by shaping build-up welding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.