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. 20, 1990
Filed:
Nov. 02, 1984
Applicant:
Inventor:
Kiyoshi Inoue, Tokyo, JP;
Assignee:
Inoue-Japax Research Incorporated, Kanagawaken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B06B / ;
U.S. Cl.
CPC ...
264 24 ; 252 6255 ; 252 6254 ; 252 6263 ; 264 23 ; 264 25 ; 264108 ;
Abstract
An improved method of preparing a frictional material is disclosed wherein a magnetic material is mixed in a preselected proportion with a polymeric or resinous frictional substance, the mixture while in an external magnetic field of a predetermined orientation being formed to yield the frictional material acquiring a frictional anisotropy.