The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 2021
Filed:
Jan. 11, 2006
Henry Vincent Dunn, Oldham, GB;
Stephen Woolfenden, Rochdale, GB;
David Anthony Thomas, Littleborough, GB;
John Robert Hoyes, Todmorden, GB;
Henry Vincent Dunn, Oldham, GB;
Stephen Woolfenden, Rochdale, GB;
David Anthony Thomas, Littleborough, GB;
John Robert Hoyes, Todmorden, GB;
Flexitallic Investments Incorporated, Houston, TX (US);
Abstract
A gasket material comprising a fibre component, a rubber component and a further resilient material is described. The further resilient material comprises chemically exfoliated vermiculite (CEV). A novel process of production is also described. The product has high stress retention and excellent sealing performance at high temperatures. Preferably, the gas permeability of the gasket material is less than 1.0 ml/min and the hot creep of the gasket material is less than 15%.