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1. (WO2018219516) METHOD FOR THE SURFACE TREATMENT OF A STEEL YANKEE
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Pub. No.: WO/2018/219516 International Application No.: PCT/EP2018/057261
Publication Date: 06.12.2018 International Filing Date: 22.03.2018
IPC:
C21D 9/08 (2006.01) ,C21D 1/09 (2006.01) ,D21F 5/02 (2006.01)
[IPC code unknown for C21D 9/08][IPC code unknown for C21D 1/09][IPC code unknown for D21F 5/02]
Applicants:
ANDRITZ AG [AT/AT]; Stattegger Strasse 18 8045 Graz, AT
Inventors:
GHANIMI, Yassar; AT
JESSE, Michael; AT
Agent:
TSCHINDER, Thomas; AT
Priority Data:
A50458/201701.06.2017AT
Title (EN) METHOD FOR THE SURFACE TREATMENT OF A STEEL YANKEE
(FR) PROCÉDÉ DE TRAITEMENT DE SURFACE D'UN CYLINDRE FRICTIONNEUR EN ACIER
(DE) VERFAHREN ZUR OBERFLÄCHENBEHANDLUNG EINES STAHLYANKEES
Abstract:
(EN) The invention relates to a method for treating a Yankee cylinder, wherein the Yankee cylinder has a cylinder casing made of steel having a ferritic-pearlitic structure (steels made of ASME SA516, ASME SA36 and AD2000 WI steels 2.1 to 2.4). According to the invention, the outer surface of the cylinder casing is heat-treated using a laser beam and thereby cured.
(FR) L’invention concerne un procédé de traitement d’un cylindre frictionneur, le cylindre frictionneur présentant une surface latérale en acier de structure métallographique ferritique-perlitique (aciers ASME SA516, ASME SA36 et aciers AD2000 Wl 2.1 à 2.4). Selon l’invention, la face extérieure de la surface latérale du cylindre subit un traitement thermique sous l’action d’un faisceau laser, étant ainsi durcie.
(DE) Den Gegenstand dieser Erfindung bildet ein Verfahren zur Behandlung eines Yankee-Zylinders, wobei der Yankee- Zylinder einen Zylindermantel aus Stahl mit einem ferritisch-perlitischen Gefüge (Stähle aus ASME SA516, ASME SA36 sowie AD2000 Wl Stähle 2.1 bis 2.4) aufweist. Erfindungsgemäß wird die äußere Oberfläche des Zylindermantels mit einem Laserstrahl wärmebehandelt und dadurch gehärtet.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 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 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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, KM, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)