Seal unit for mechanical members rotating relative to each other, in particular for foundry rollers
US6702294B2 · kind B2 · utility
6Cited by
21References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 9, 2001 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | Nov 9, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B39/008
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Seal unit for mechanical members rotating relative to each other, in particular foundry rollers, including a tubular member which can be fitted on a first of said rotating members, a first and a second annular sealing member surrounding the tubular member and provided with a first and a second fitting support respectively and corresponding sealing rings of elastomer material. The seal unit also includes an annular spacer member coaxial with the tubular member and acting together with the first and the second support to keep the first and second annular sealing members in their corresponding working positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.