Method of producing a hydrodynamic seal
US4542573A · kind A · utility
27Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1984 |
| Grant date | Sep 24, 1985 |
| Priority date | — |
| Expiry date | Sep 28, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49798
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method of producing a hydrodynamic sealing element is disclosed wherein washer-like sealing elements may be partially sliced from a cylindrical billet and formed to have an axially extending inner portion adapted to sealingly engage a rotating shaft. The inside surface of the axially extending portion is grooved to facilitate the sealing action. Grooving is accomplished by axial withdrawal action of the same cutting element that partially slices and forms the sealing element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.