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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 9539744 B1

PDFFull Text
Date of Patent:
Jan. 10, 2017

Filed:

Apr. 30, 2015

Semiconductive roller and production method therefor

Applicant:

Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;

Inventor:

Kei Tajima, Kobe, JP;

Assignee:

SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-shi, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Jason L Vaughan

Int. Cl.
CPC ...
B29C 35/02 (2006.01); G03G 15/02 (2006.01); B29C 47/00 (2006.01); B29C 47/88 (2006.01); B29C 37/00 (2006.01); B29C 71/04 (2006.01); C08K 3/04 (2006.01); C08K 3/06 (2006.01); C08K 5/14 (2006.01); C08K 5/435 (2006.01); C08K 13/02 (2006.01); C08L 9/02 (2006.01); C08L 23/16 (2006.01); B29K 55/00 (2006.01); B29K 23/00 (2006.01); B29K 105/16 (2006.01); B29K 507/04 (2006.01); B29L 23/00 (2006.01); B29C 35/04 (2006.01); B29C 35/06 (2006.01); B29C 35/08 (2006.01);
U.S. Cl.
CPC ...
B29C 35/02 (2013.01); B29C 37/0025 (2013.01); B29C 47/0023 (2013.01); B29C 47/881 (2013.01); B29C 71/04 (2013.01); C08K 3/04 (2013.01); C08K 3/06 (2013.01); C08K 5/14 (2013.01); C08K 5/435 (2013.01); C08K 13/02 (2013.01); C08L 9/02 (2013.01); C08L 23/16 (2013.01); G03G 15/0233 (2013.01); B29C 35/049 (2013.01); B29C 35/06 (2013.01); B29C 2035/0827 (2013.01); B29K 2023/16 (2013.01); B29K 2055/00 (2013.01); B29K 2105/16 (2013.01); B29K 2507/04 (2013.01); B29K 2995/0005 (2013.01); B29L 2023/225 (2013.01); Y10T 29/49565 (2015.01);
Abstract

A semiconductive roller () is produced by: preparing a rubber composition containing a rubber component including an NBR and an EPDM in a mass ratio of NBR/EPDM=70/30 to 30/70, at least one selected from the group consisting of SAF, ISAF and HAF, sulfur, a peroxide crosslinking agent and a sulfenamide accelerating agent; extruding the rubber composition into a tubular body; crosslinking the tubular body in a vulcanization can or with the use of a continuous crosslinking apparatus; and forming an oxide film () in an outer peripheral surface () of the tubular body by irradiation with ultraviolet radiation with a shaft () inserted through the tubular body.

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