Method for making a shaft seal having a guard or scraper
US4155153A · kind A · utility
9Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1978 |
| Grant date | May 22, 1979 |
| Priority date | — |
| Expiry date | Feb 6, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4998
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for making an annular shaft seal of the type having an elastomeric sealing element bonded to a metal shell having a guard or scraper portion having a sharp I.D. edge, in which the sharp I.D. edge is formed or "pierced" during the molding process simultaneously with the elastomeric sealing element being molded and bonded to the shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.