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1. (WO2011146203) DIRECT ENGRAVING OF FLEXOGRAPHIC PRINTING PLATES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2011/146203    International Application No.:    PCT/US2011/033717
Publication Date: 24.11.2011 International Filing Date: 25.04.2011
IPC:
B41C 1/05 (2006.01)
Applicants: EASTMAN KODAK COMPANY [US/US]; 343 State Street Rochester, NY 14650-2201 (US) (For All Designated States Except US).
AVIEL, David [IL/IL]; (IL) (For US Only).
SIMAN-TOV, Alon [IL/IL]; (IL) (For US Only).
PERRY, Lior [IL/IL]; (IL) (For US Only)
Inventors: AVIEL, David; (IL).
SIMAN-TOV, Alon; (IL).
PERRY, Lior; (IL)
Common
Representative:
EASTMAN KODAK COMPANY; 343 State Street Rochester, NY 14650-2201 (US)
Priority Data:
12/781,149 17.05.2010 US
Title (EN) DIRECT ENGRAVING OF FLEXOGRAPHIC PRINTING PLATES
(FR) GRAVURE DIRECTE DE PLAQUES FLEXOGRAPHIQUES
Abstract: front page image
(EN)A system for engraving flexographic printing plates, is presented. A flexographic plate (104) is mounted on an imaging drum 404. Printable areas (204, 304) on the flexographic plate are engraved by an imaging source (408) configured to engrave fine detail information. Non-printable areas (208) are engraved on the flexographic plate by a second imaging source (412, coarse imaging source) capable to engrave substantially deeper (208, 520) than the depth of engraving used for the printable areas. Synchronizing (424) between the fine imaging source and the coarse imaging source, by directing the fine and coarse sources operate simultaneously, whereby the fine source images on the printable areas and the coarse source images the non-printable areas. In addition the fine source engraves the printable data areas (704) and non-printable support areas (708) underneath the printable areas. The non-printable support areas are engraved to be substantially wider than the printable data areas.
(FR)La présente invention concerne un système permettant de graver des plaques flexographiques. Une plaque flexographique (104) est montée sur un tambour d'imagerie (404). Des zones imprimables (204, 304) sur la plaque flexographique sont gravées par une source d'imagerie (408) conçue pour graver des informations très détaillées. Des zones non imprimables (208) sont gravées sur la plaque flexographique par une seconde source d'imagerie (412, source d'imagerie grossière) capable de graver sensiblement plus profond (208, 520) que la profondeur de gravure utilisée pour les zones imprimables. La synchronisation (424) entre la source d'imagerie fine et la source d'imagerie grossière, en dirigeant l'actionnement des sources fine et grossière simultanément, permet de graver les images de source fine sur les zones imprimables et les images de source grossière sur les zones non imprimables. De plus, la source fine grave les zones de données imprimables (704) et les zones de support non imprimables (708) sous les zones imprimables. Les zones de support non imprimables sont gravées de manière à être sensiblement plus larges que les zones de données imprimables.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, 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 (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)