EP 3686534 B1 20210310 - METHOD AND FURNACE FOR THERMAL TREATMENT OF A HIGH-RESISTANCE STEEL STRIP INCLUDING A TEMPERATURE HOMOGENISATION CHAMBER
Title (en)
METHOD AND FURNACE FOR THERMAL TREATMENT OF A HIGH-RESISTANCE STEEL STRIP INCLUDING A TEMPERATURE HOMOGENISATION CHAMBER
Title (de)
VERFAHREN UND OFEN FÜR DIE WÄRMEBEHANDLUNG EINES HOCHWIDERSTANDSFÄHIGEN STAHLBANDES, DER EINE TEMPERATUR-HOMOGENISIERUNGSKAMMER UMFASST
Title (fr)
PROCÉDÉ ET FOUR POUR LE TRAITEMENT THERMIQUE D'UNE BANDE D ACIER DE HAUTE RÉSISTANCE COMPRENANT UNE CHAMBRE D HOMOGÉNÉISATION EN TEMPÉRATURE
Publication
Application
Priority
BE 201905038 A 20190123
Abstract (en)
[origin: US2020232063A1] Method for thermally treating a scrolling steel strip (5), said method comprising the following steps: heating the strip (5) in a zone for heating with a direct flame (10); temperature homogenisation of the strip (5) in a homogenisation chamber (20) comprising at least one radiant heating tube (25), so as to homogenise the strip (5) in temperature after the passing thereof into the zone for heating with a direct flame (10) of the preceding step; oxidation of the strip (5) in an oxidation chamber (30) with an oxidising atmosphere having an oxygen volume concentration greater than 1%; reduction of the strip (5) in a reduction zone (40).
IPC 8 full level
C21D 1/34 (2006.01); C21D 1/52 (2006.01); C21D 9/46 (2006.01); C21D 9/56 (2006.01); C23C 8/10 (2006.01); C23C 8/18 (2006.01); C23C 8/80 (2006.01); F27B 9/28 (2006.01)
CPC (source: CN EP KR RU US)
C21D 1/26 (2013.01 - CN); C21D 1/34 (2013.01 - EP RU); C21D 1/52 (2013.01 - CN EP RU US); C21D 1/74 (2013.01 - CN); C21D 1/76 (2013.01 - US); C21D 1/773 (2013.01 - US); C21D 9/46 (2013.01 - EP RU); C21D 9/56 (2013.01 - RU); C21D 9/561 (2013.01 - CN EP KR US); C21D 9/562 (2013.01 - US); C21D 9/563 (2013.01 - KR); C23C 8/10 (2013.01 - EP RU); C23C 8/18 (2013.01 - EP RU); C23C 8/80 (2013.01 - EP RU); F27B 9/28 (2013.01 - EP RU)
Citation (opposition)
Opponent : JOHN COCKERILL SA
- US 2017137906 A1 20170518 - FAN DONGWEI [US], et al
- US 2010173072 A1 20100708 - BORREL PIERRE-JEROME [FR]
- KR 20160085830 A 20160718 - ARCELORMITTAL [LU]
- WO 2016169918 A1 20161027 - COCKERILL MAINTENANCE & INGENIERIE SA [BE]
- EP 2458022 A1 20120530 - TATA STEEL UK LTD [GB]
- US 2009199931 A1 20090813 - LEUSCHNER RONNY [DE], et al
- "INDUSTRIAL COMBUSTION TESTING", article MICHAEL FLAMME: "24 Radiant 2011 Tube Burners", pages: 487 - 504, XP055893689
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3686534 A1 20200729; EP 3686534 B1 20210310; BE 1026986 A1 20200817; BE 1026986 B1 20200825; BR 102020001356 A2 20200804; CN 111471847 A 20200731; CN 111471847 B 20231031; ES 2874752 T3 20211105; KR 20200092253 A 20200803; MX 2019015493 A 20200728; RU 2019142708 A 20210621; RU 2019142708 A3 20211209; RU 2766264 C2 20220210; SI 3686534 T1 20210730; US 2020232063 A1 20200723; US 2024102124 A1 20240328
DOCDB simple family (application)
EP 19218200 A 20191219; BE 201905038 A 20190123; BR 102020001356 A 20200122; CN 201911325696 A 20191220; ES 19218200 T 20191219; KR 20190172013 A 20191220; MX 2019015493 A 20191218; RU 2019142708 A 20191220; SI 201930065 T 20191219; US 201916722637 A 20191220; US 202318532051 A 20231207