Rotary centrifuge bowl and seal for blood processing
US5045048A · kind A · utility
171Cited by
29References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1990 |
| Grant date | Sep 3, 1991 |
| Priority date | — |
| Expiry date | Mar 29, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04B2005/0464
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A seal for a blood processing centrifuge bowl which is formed of a dynamic rotary seal and a static seal. The dynamic rotary seal is formed of an upper graphite or carbon non-rotating ring member and a lower two-piece rotatable ring member formed of a ceramic bearing surface bonded by adhesive to a plastic adapter ring. The static seal is comprised of an elastomeric diaphragm formed over the upper ring member and secured thereto by a plastic retaining ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.