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:
Nov. 18, 1997
Filed:
Jul. 27, 1995
Applicant:
Inventors:
W Novis Smith, Philadelphia, PA (US);
Toby Burnham, Auburn, AL (US);
Assignee:
R. K. Carbon Fibers, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428113 ; 28107 ;
Abstract
The present invention provides a multi-directional friction material made from unidirectional carbonaceous and/or oxidized PAN based fibers. More particularly, the present invention teaches a multi-layered preform having at least three (3) unidirectional fabric layers oriented at different angles respective to each other to provide a superior heat dissipation properties in a friction material.