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:
Jan. 30, 2018
Filed:
Sep. 28, 2016
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Inventors:
Kenichi Kuroda, Kobe, JP;
Kei Tajima, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0808 (2013.01); G03G 15/0818 (2013.01);
Abstract
A nonporous semiconductive roller is provided, which constantly ensures proper image formation substantially without image density unevenness attributable to the roughness of an outer peripheral extrusion surface thereof when being used as a developing roller. The semiconductive roller () is made of a nonporous crosslinking product of a rubber composition which contains a rubber component including only four types of rubbers including an epichlorohydrin rubber, a chloroprene rubber, a butadiene rubber and an acrylonitrile butadiene rubber.