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:
May. 17, 1983
Filed:
Oct. 01, 1981
Applicant:
Inventors:
Klaus Moraw, Duisburg, DE;
Hans-Gunther Paul, Duisburg, DE;
Assignee:
Rutgerswerke Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C09K / ;
U.S. Cl.
CPC ...
523156 ; 523155 ; 106 36 ; 260762 ;
Abstract
An asbestos-free friction material useful for brake linings, clutches, etc. comprising 5 to 25% by weight of a hardenable binder or binder mixture, a reinforcing fibrous material and conventional fillers, abrasives and lubricants the said reinforcing material consisting essentially of 1 to 50% by weight of diabase fibers with an average fiber length of 100 to 750 .mu.m and 1 to 44% by weight of metal fibers, metal wool or metal in the form of chips, powder or lamella, especially steel.