Sealing material

US6177504A · kind A · utility

Assignee

• Federal-Mogul Technology Limited · GB

Inventors

• Alan W. Atkinson · Rochdale, GB
• Stephen Peter Bond · Rugby, GB
• Darryl Alfred Turland · Ann Arbor, US
• Paul Reuben Percival · Maidenhead, GB

Key dates

• Filing date: Sep 7, 1999
• Grant date: Jan 23, 2001
• Expiry date: Sep 7, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2200/0672
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Sealing material comprises from 45% to 90% by weight exfoliated graphite, from 5% to 20% by weight thermosetting resin and from 5% to 50% by weight fibrous filler which is heat resistant at 250.degree. C. The fibrous filler has fibres at least 90% of which have a fibre length of less than 200 .mu.m, and an aspect ratio of less than 10:1.