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. 07, 1985
Filed:
Jan. 15, 1982
Applicant:
Inventors:
Manfred Gehrung, Grossniedesheim, DE;
Klaus Schoettle, Heidelberg, DE;
Helmut Kreissler, Oberkirch, DE;
Peter Rudolf, Fussgoenheim, DE;
Joachim Hack, Ludwigshafen, DE;
Friedrich Anslinger, Freinsheim, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
5128 / ; 5114 / ; 51154 ; 51328 ; 51 58 ;
Abstract
A method and apparatus for burnishing the surface of magnetic recording media, wherein there is relative movement between the surface to be burnished and the abrasive member, and the abrasive member is urged against the said surface, the pressure applied being increased over a period of time or at a plurality of locations, and then being reduced again.