Sealing arrangement
US6322080A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1997 |
| Grant date | Nov 27, 2001 |
| Priority date | — |
| Expiry date | Dec 12, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J9/16
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Sealing arrangement for a piston rod with a circular cross-section, comprising a one-piece sealing ring with a parting joint and compensation clearance as well as a cover ring surrounding the sealing ring in the peripheral direction, with the sealing ring having a section which extends in the peripheral direction of the sealing ring at at one end and forms an overlapping ring joint together with the other end of the sealing ring, and with the sealing ring having a radial wall thickness decreasing towards the parting joint. This arrangement has an excellent sealing action in a direction axial to the arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.