Head gasket having resilient seal with Belleville springs
US4348032A · kind A · utility
22Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1981 |
| Grant date | Sep 7, 1982 |
| Priority date | — |
| Expiry date | Mar 19, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/123
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pair of closed loop spring elements such as Belleville washers stacked in opposing relation within a resilient U-shaped jacket so that the jacket legs are spread by the spring elements to form sealing surfaces when compressed between two members such as an engine head and block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.