Roll for the pressure treatment of webs of material
US4910842A · kind A · utility
12Cited by
12References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1987 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Nov 12, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B2203/44
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Apparatus for the pressure treatment of webs of material, such as the wet section of a paper-making machine, including a damping device fixedly connected to the protruding end of the roll for damping vibrations of the roll occuring during rotation thereof. The damping device comprises a pair of annular mass rings which surround the protruding roll end and are resiliently supported within an enclosed housing which includes frictional elements bearing against the rings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.