Metal seal and coating material for metal seals

US6398224B1 · kind B1 · utility

Assignee

• DANA LIMITED · US

Inventors

• Wilfried Erb · Neu-Ulm, DE
• Konrad Gollmitzer · Günzburg, DE
• Alfred Weiss · Neu-Ulm, DE

Key dates

• Filing date: Jun 8, 2000
• Grant date: Jun 4, 2002
• Expiry date: Jun 8, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S277/944
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a metal seal, which is fitted with a coating containing 10 to 60 wt. % of at least one elastomer, 5 to 50 wt. % of at least one inorganic fiber, 0.5 to 20 wt. % of at least one organic fiber, 10 to 80 wt. % filling material. The part by weight ratio of the at least one elastomer in relation to the part by ratio sum of the at least one inorganic fiber and the at least one organic fiber ranges from 1:1.1 and 1.5:5. The invention further relates to the coating material.