Readily removable shaft seal including venting tab
US4433846A · kind A · utility
24Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1983 |
| Grant date | Feb 28, 1984 |
| Priority date | — |
| Expiry date | Apr 20, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53909
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fluid seal with sealing lips having a casing with a generally annular mounting flange portion, a second flange portion with portions thereof extending radially from the mounting portion and being subdivided into an intermediate portion and a bonding portion. At least one venting tab is formed by piercing the intermediate casing portion. The venting tab area provides a vent permitting passage of gas and vapor into and out of the sealed region. The tab area also is capable of removal or bending when engaged with a removal tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.