Expanded graphite gasket with beaded stress risers
US6113109A · kind A · utility
12Cited by
23References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1998 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Apr 20, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/938
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A cylinder head gasket has at least one combustion opening, a central metallic core and an expanded graphite facing layer on each side of the core. A stress rising bead is disposed on at least one of the graphite layers encircling each combustion opening for sealing around the combustion openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.