Rubber member for coating developing roll and manufacturing method of developing roll for image forming apparatus

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United States of America Patent

PATENT NO 10466615
APP PUB NO 20170045840A1
SERIAL NO

15106954

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Abstract

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A rubber member for coating a developing roll which is obtained by coating a coating layer component around a developing roll having a rubber substrate layer and curing the coating layer component is described. The coating layer component contains: (A) a liquid binder containing at least a polyol, an isocyanate compound and reactive silicone oil; (B) silicone rubber particles having a hardness according to JIS K6253: 1997 by Durometer A, measured instantaneously, of 20 to 80 degrees, and a rubber particle size of 0.2 to 10 pm; and a diluting solvent. A ratio of a thickness of the coating layer after curing and a particle size of the rubber satisfies: the rubber particle size/a coating layer thickness <0.3.

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Patent Owner(s)

Patent OwnerAddress
SYNZTEC CO LTD12-15 SHIBADAIMON 1-CHOME MINATO-KU TOKYO
NOK CORPORATION1-12-15 SHIBA DAIMON MINATO-KU TOKYO 1058585

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Higashira, Toshihiro Kanagawa, JP 24 94
Ikeda, Atsushi Kanagawa, JP 204 2892
Inukai, Goki Kanagawa, JP 8 22
Kanzaki, Shinobu Kanagawa, JP 1 1
Kondo, Tomohiro Kanagawa, JP 84 669
Nguyen, Huu Viet Kanagawa, JP 1 1
Suzuki, Nozomu Kanagawa, JP 10 47
Wang, Lei Kanagawa, JP 2386 21419

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