Patent US5272599A successfully refreshed from Google Patents.
Patent EP0041906A1 successfully refreshed from Google Patents.
EP0041906A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Head gasket for internal-combustion engine
Assignee: Solyem SAS
•
Filing: 1981-06-01
•
Granted: —
•
Expires: 2001-06-01
Abstract
Abstract A cylinder-head gasket has a sheet formed of a rigid organic and substantially nonthermoplastic material such as phenylene polysulfide that does not soften at engine-operating temperatures of 130 DEG C.-150 DEG C. The sheet has a plurality of gas-passage holes and liquid-passage holes. Respective elastomeric seals are secured to the edges of the liquid-passage holes and respective metallic seal rings are secured to the edges of the gas-passage holes.
Inventors
- 👤 Jacques Denis Henry Lucas
- 👤 Dominique Hugues Pierre M. Samson
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 16:26
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/12; F16J15/121; F16J15/122; F16J15/123; F16J15/104; Y; Y10; Y10S; Y10S277/00; Y10S277/935; Y10S277/936
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.