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:
Mar. 18, 2003
Filed:
Aug. 28, 2001
Applicant:
Inventors:
Thomas Haley Gardner, Englewood, OH (US);
Robert Anthony Lamport, Centerville, OH (US);
Assignee:
Delphi Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 5/14 ;
U.S. Cl.
CPC ...
C08J 5/14 ;
Abstract
Friction materials for clutch, brake shoes and the like are formed of a paper having reduced or eliminated non-functional processing additives. The paper composition includes components selected from a group consisting of aramid pulp, aramid staple, carbon/polyacrylonitrile fibers, glass wool, potassium octatitanate, bronze wool, high surface area filter cake, graphite, amorphous carbon and cyanated phenolic resin. The paper composition may be pre-compounded to a particle size in the range of 60 to 200 mesh. Part molding may be carried out by microwave heating the paper at 250° to 55° F.