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:
Sep. 22, 1992
Filed:
Jan. 15, 1992
Applicant:
Inventors:
Kiyoshi Sakai, Chofu, JP;
Teigo Sakakibara, both of, Tokyo, JP;
Harumi Sakou, both of, Tokyo, JP;
Shoji Amamiya, Sagamihara, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B / ; G03G / ;
U.S. Cl.
CPC ...
51328 ; 51142 ; 355300 ;
Abstract
In a method of roughening the surface of an organic electrophotographic photosensitive member by bringing an abrasive material into slidable contact with said surface, an abrasive material in the form of a film is moved in the direction intersecting the direction of a rotating shaft of said photosensitive member, with the vibration thereof at the part coming into slidable contact with said photosensitive member, thereby roughening the surface of said photosensitive member.