Method for manufacturing a thermoroll for a paper/board machine or a finishing machine
US6708407B2 · kind B2 · utility
6Cited by
14References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2003 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Mar 4, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49563
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermoroll for a paper/board machine or a finishing machine, the thermoroll having a shell of metallic, ceramic or composite material, and the shell having ducts for passing a heating medium from one axial end of the thermoroll to the other axial end of the thermoroll. The shell is made by casting or by powder metallurgical methods, and the ducts are formed in the matrix material of the shell which is metal and/or ceramic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.