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1. (WO2007000819) DEVELOPMENT ROLLER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/000819 International Application No.: PCT/JP2005/011948
Publication Date: 04.01.2007 International Filing Date: 29.06.2005
IPC:
G03G 15/08 (2006.01)
G PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G
ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15
Apparatus for electrographic processes using a charge pattern
06
for developing
08
using a solid developer, e.g. powder developer
Applicants:
コニカミノルタビジネステクノロジーズ株式会社 KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. [JP/JP]; 〒1000005 東京都千代田区丸の内一丁目6番1号 Tokyo 1-6-1, Marunouchi, Chiyoda-ku, Tokyo 1000005, JP (AllExceptUS)
白勢 明三 SHIROSE, Meizo [JP/JP]; JP (UsOnly)
内野 哲 UCHINO, Satoshi [JP/JP]; JP (UsOnly)
Inventors:
白勢 明三 SHIROSE, Meizo; JP
内野 哲 UCHINO, Satoshi; JP
Agent:
河宮 治 KAWAMIYA, Osamu; 〒5400001 大阪府大阪市中央区城見1丁目3番7号IMPビル 青山特許事務所 Osaka AOYAMA & PARTNERS, IMP Building, 3-7, Shiromi 1-chome, Chuo-ku, Osaka-shi, Osaka5400001, JP
Priority Data:
Title (EN) DEVELOPMENT ROLLER
(FR) ROULEAU DE DÉVELOPPEMENT
(JA) 現像ローラ
Abstract:
(EN) A development roller capable of realizing high-quality toner images. There is provided a development roller comprising a support shaft and, superimposed on the circumferential surface thereof, at least one resin layer, wherein the resin layer has, dispersed in its matrix resin material, carbon black of 5 to 300 nm number average particle diameter in terms of Feret’s diameter wherein the ratio of primary particles is 5% or higher on a number basis.
(FR) Rouleau de développement capable de réaliser des images de toner de haute qualité. La présente invention concerne un rouleau de développement comprenant un arbre de support et, superposée sur sa surface de circonférence, au moins une couche de résine, la couche de résine comportant, dispersé dans son matériau de résine matricielle, du noir de carbone dont le diamètre moyen de particules est compris entre 5 et 300 nm en termes de diamètre de Féret, le taux de particules primaires étant de 5% ou plus sur la base du nombre de particules.
(JA)  本発明は、高品位なトナー画像を形成することができる現像ローラを提供することを目的とする。  本発明は、支持軸と、当該支持軸の周面に形成された少なくとも一層の樹脂層と、を有し、前記樹脂層は、その基体樹脂材料中に、フェレ径の個数平均粒径が5~300nmであり且つ一次粒子が個数基準で5%以上であるカーボンブラックが分散されている現像ローラに関する。
front page image
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
US20090035027JP4596007CN101253453