Method of making improved spring seal
US4261192A · kind A · utility
4Cited by
6References
9Claims
0Family size
Inventors
Key dates
| Filing date | Dec 7, 1978 |
| Grant date | Apr 14, 1981 |
| Priority date | — |
| Expiry date | Dec 7, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49609
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A spring having an enlarged diameter base mountable in the heel of a seal casing to enable flared arms extending forwardly from the base to freely exert by cantilever action an outwardly directed spring bias against the casing while the spring is retained by its base in the casing. A method of making a continuous spring from a single strip of metal to form opposing flared arms extending from an enlarged concave base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.