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. 21, 2012
Filed:
Aug. 01, 2008
Jeremy Duke, Henderson County, TN (US);
Eric Frey, Lexington, TN (US);
Kenneth Scott Jackson, Lexington, TN (US);
John Mobley, Lexington, TN (US);
Francis V. Rolland, Rochester Hills, MI (US);
Edi J. Wink, Shelby Township, MI (US);
Jeremy Duke, Henderson County, TN (US);
Eric Frey, Lexington, TN (US);
Kenneth Scott Jackson, Lexington, TN (US);
John Mobley, Lexington, TN (US);
Francis V. Rolland, Rochester Hills, MI (US);
Edi J. Wink, Shelby Township, MI (US);
Mark IV Systemes Moteurs USA, Inc., Rochester Hills, MI (US);
Abstract
An extruded multilayer seal member having an expanded temperature range and an improved compression set resistance wherein the seal member comprises a first fluoroelastomer as the inner layer of the multilayer seal member and a second elastomer as the outer layer of the multilayer seal member; and a method for manufacturing the multilayer seal member which comprises extruding a multilayer tubular structure, crosslinking the extruded multilayer tubular structure on a mandrel, cutting the multilayer tubular structure to provide a plurality of uniform seal members and recovering the seal members, are described.