Fully cartridge agitator seal for use with glass lined mixer tanks
US4094513A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1976 |
| Grant date | Jun 13, 1978 |
| Priority date | — |
| Expiry date | Sep 13, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F2035/351
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A mechanical seal and rotating agitator shaft assembly for effecting sealing between the shaft and the wall of the opening through which it extends into a mixer tank includes a sleeve dimensioned for removable mounting on the shaft and serving as a support for the rotating seal assembly which includes a sealing ring arranged for sealing against a glass coated portion of the shaft to prevent access of the contents of the tank to any metal part of the seal and shaft assembly. In the preferred embodiment, the shaft includes a glass coated boss located below the sleeve for engagement by the sealing ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.