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.:

US 7897076 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 01, 2011

Filed:

Dec. 13, 2007
Applicant:

Young-phil Ji, Suwon-si, KR;

Inventor:

Young-phil Ji, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25F 5/02 (2006.01); B29C 44/00 (2006.01); G03G 15/14 (2006.01); G03G 15/01 (2006.01); G03G 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method to produce a conductive transfer roller, and the transfer roller. The method to produce the conductive transfer roller includes adding and mixing a conductive substance, an ionic conductive agent, a vulcanizing agent, and a blowing agent and at least one of elastic materials selected from a group consisting of EPMD (ethylene propylene) rubber, NBR (acrylonitrile butadiene) rubber, ECO (epichlorohydrin ethylene oxide) rubber, and CR (chloroprene rubber), extruding the compound, blowing the extruded material by passing it through a continuous mobile foaming device, pressing the foam onto a shaft and applying a secondary curing, and grinding the foam to a desired thickness.


Find Patent Forward Citations

Ji, Young-phil. (2011). Method to produce conductive transfer roller, transfer roller, and image forming apparatus having the same (U.S. Patent No. 7897076). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7897076

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