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. 27, 1997
Filed:
Sep. 14, 1994
Applicant:
Inventors:
Hiroshi Ikeda, Tochigi-ken, JP;
Mami Murata, Tochigi-ken, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360133 ; 360137 ;
Abstract
A cleaning member is used for cleaning a magnetic disk by rubbing the cleaning member in a sliding manner against the surface of the magnetic disk. The cleaning member is a sheet-like fibrous member having a density of no more than 0.10 g/cm.sup.3 at a load of 4.4 gf/cm.sup.2 ; with the rate of change of the density over a load range of 0.1-4.4 gf/cm.sup.2 being at least 4.times.10.sup.-3 (g/cm.sup.3)/(gf/cm.sup.2).