Seal at press rollers
US7214172B2 · kind B2 · utility
1Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2002 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | May 6, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49556
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus for sealing a cylindrical roll with respect to a trough in which the roll is disposed is disclosed, the apparatus comprising an end seal applied to the end surface of the cylindrical roll, a longitudinally extending seal applied to the barrel-shaped outer surface of the cylindrical roll, and a spring for dynamically urging the end seal against the end surface of the cylindrical roll and against the longitudinally extending seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.