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.

Date of Patent:
Oct. 21, 2014

Filed:

Jan. 30, 2013
Applicant:

Tokai Rubber Industries, Ltd., Komaki, JP;

Inventors:

Satoshi Suzuki, Inuyama, JP;

Yasunori Nimura, Kasugai, JP;

Keiichi Inoue, Kasugai, JP;

Masanori Satoh, Tajimi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); C08L 83/04 (2006.01); C08K 5/56 (2006.01); C08G 77/12 (2006.01); C08K 3/04 (2006.01); C08K 5/00 (2006.01); C08G 77/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/08 (2013.01); C08L 83/04 (2013.01); C08K 5/56 (2013.01); C08G 77/12 (2013.01); C08K 3/04 (2013.01); C08K 5/0025 (2013.01); C08G 77/20 (2013.01); G03G 15/0818 (2013.01);
Abstract

A development roll for electrophotographic equipment includes a shaft body and a rubber elastic layer disposed on the outer circumference of the shaft body. The rubber elastic layer is composed of a crosslinked body of a composition containing a liquid or millable silicone rubber, a crosslinking agent, an electronically conductive agent, and an ionic liquid. The composition contains the ionic liquid in the amount in the range of 0.1 to 5.1 parts by mass relative to 100 parts by mass of the total amount of the liquid or millable silicone rubber and the crosslinking agent.


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