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:
Feb. 04, 2014
Filed:
Aug. 24, 2009
Izumi Egashira, Yokohama, JP;
Hirotaka Tagawa, Yokohama, JP;
Junichi Takano, Yokohama, JP;
Daijirou Sirakura, Yokohama, JP;
Izumi Egashira, Yokohama, JP;
Hirotaka Tagawa, Yokohama, JP;
Junichi Takano, Yokohama, JP;
Daijirou Sirakura, Yokohama, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
Provided is an electrifying roller which is manufactured more easily, and has a good electrical conduction property with a small amount of electrically conductive material. Provided are electrifying rollers () comprising a shaft, an elastic layerformed on the periphery of the shaft, and a surface layerformed on the periphery surface of the elastic layer, wherein the elastic layeris formed by an ultraviolet curing resin having a phosphoester group. It is preferred that the ultraviolet curing resin be made of a compound represented by the following Formula (1): (wherein Ris represented by the following Formula (2):(CH  (2)(where m is an integer from 1 to 10),Ris represented by any one of the following Formulae (3) to (9): Ris represented by any one of the following Formulae (10) to (12): (where r, s and t are an integer from 10 to 150), and n is an integer from 1 to 10).