Unitized, grease-purgeable seal
US4106781A · kind A · utility
49Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1977 |
| Grant date | Aug 15, 1978 |
| Priority date | — |
| Expiry date | Apr 28, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3232
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A unitized, grease-purgeable shaft seal including a wear sleeve and an elastomeric member having an inner sealing element extending toward the wear sleeve on one side of a wear sleeve flange and having an outer sealing element extending toward the wear sleeve on the other side of the flange whereby the seal is unitized. Each of the sealing elements includes an outwardly facing sealing lip, whereby the seal is grease purgeable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.