EP2937162A4 - Hybrid cooling nozzle apparatus, and method for controlling cooling nozzle of continuous casting equipment using same - Google Patents

Hybrid cooling nozzle apparatus, and method for controlling cooling nozzle of continuous casting equipment using same

Info

Publication number
EP2937162A4
EP2937162A4 EP13864279.8A EP13864279A EP2937162A4 EP 2937162 A4 EP2937162 A4 EP 2937162A4 EP 13864279 A EP13864279 A EP 13864279A EP 2937162 A4 EP2937162 A4 EP 2937162A4
Authority
EP
European Patent Office
Prior art keywords
cooling nozzle
same
continuous casting
casting equipment
hybrid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13864279.8A
Other languages
German (de)
French (fr)
Other versions
EP2937162B1 (en
EP2937162A1 (en
Inventor
Jong Yeon Hwang
Seong Yeon Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP2937162A1 publication Critical patent/EP2937162A1/en
Publication of EP2937162A4 publication Critical patent/EP2937162A4/en
Application granted granted Critical
Publication of EP2937162B1 publication Critical patent/EP2937162B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
    • B22D11/225—Controlling or regulating processes or operations for cooling cast stock or mould for secondary cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • B22D11/1246—Nozzles; Spray heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Nozzles (AREA)
EP13864279.8A 2012-12-21 2013-12-19 Hybrid cooling nozzle apparatus, and method for controlling cooling nozzle of continuous casting equipment using same Active EP2937162B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120151257A KR101421841B1 (en) 2012-12-21 2012-12-21 Hybrid nozzle cooling apparatus and method of control of nozzle in continuous casting installation
PCT/KR2013/011854 WO2014098490A1 (en) 2012-12-21 2013-12-19 Hybrid cooling nozzle apparatus, and method for controlling cooling nozzle of continuous casting equipment using same

Publications (3)

Publication Number Publication Date
EP2937162A1 EP2937162A1 (en) 2015-10-28
EP2937162A4 true EP2937162A4 (en) 2016-08-24
EP2937162B1 EP2937162B1 (en) 2020-03-04

Family

ID=50978722

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13864279.8A Active EP2937162B1 (en) 2012-12-21 2013-12-19 Hybrid cooling nozzle apparatus, and method for controlling cooling nozzle of continuous casting equipment using same

Country Status (4)

Country Link
EP (1) EP2937162B1 (en)
KR (1) KR101421841B1 (en)
CN (1) CN104884189B (en)
WO (1) WO2014098490A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105642854A (en) * 2016-04-05 2016-06-08 中国重型机械研究院股份公司 Novel square billet continuous casting secondary cooling water adjusting structure
CN105728680B (en) * 2016-05-04 2017-09-22 上海耀秦冶金设备技术有限公司 Conticaster air water balances dynamic control method
KR102008369B1 (en) 2017-12-13 2019-08-07 주식회사 포스코 Fluid spray Apparatus and Method
TWI698296B (en) * 2018-06-26 2020-07-11 日商日本製鐵股份有限公司 Secondary cooling apparatus of continuous casting and secondary cooling method
TW202033292A (en) * 2018-12-10 2020-09-16 日商日本製鐵股份有限公司 Continuous casting method for steel
CN110918917A (en) * 2019-11-18 2020-03-27 张家港宏昌钢板有限公司 Continuous casting secondary cooling water system
CN112354257A (en) * 2020-10-22 2021-02-12 联峰钢铁（张家港）有限公司 Secondary cooling water pollution discharge device and method for continuous casting machine
CN114226666A (en) * 2021-12-20 2022-03-25 上海弘铭冶金技术工程有限公司 Efficient temperature compensation cooling system for high-pulling-speed production of small square billets

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120074744A (en) * 2010-12-28 2012-07-06 주식회사 포스코 Method and device for preventing edge crack of piece during continuous casting

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57187150A (en) * 1981-05-12 1982-11-17 Nippon Steel Corp Secondary cooling installation for continuous casting
KR100843920B1 (en) * 2001-12-26 2008-07-03 주식회사 포스코 Method for uniforming congelation speed of cast slab surface in continuous casting
KR20040012073A (en) * 2002-07-31 2004-02-11 주식회사 포스코 Method and Apparatus for Spray Nozzle Diagnosis
JP2005131677A (en) 2003-10-30 2005-05-26 Jfe Steel Kk Cast slab cooling apparatus in continuous casting facility
KR100528503B1 (en) * 2003-12-26 2005-11-15 주식회사 포스코건설 A method for controlling the flow of second cooling water in continuous casting processing
CN101722287B (en) * 2008-11-03 2012-07-18 攀钢集团研究院有限公司 Method for cooling continuous casting blanks and method for producing continuous casting billets comprising same
CN101890486B (en) * 2010-07-22 2012-07-18 东北大学 Multiple cooling methods integrated cooling system in strip casting process
CN102416456B (en) * 2011-12-14 2013-12-04 武汉钢铁(集团)公司 Secondary cooling control system for continuous casting of plate blank and method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120074744A (en) * 2010-12-28 2012-07-06 주식회사 포스코 Method and device for preventing edge crack of piece during continuous casting

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
"DYNAMIC CONTROL SYSTEM FOR SECONDARY COOLING OF CONTINUOUS CASTING MACHINES", STEEL TIMES INTERNATIONAL, DMG WORLD MEDIA, LEWES, GB, vol. 23, no. 6, 1 November 1999 (1999-11-01), pages 38/39, XP000896259, ISSN: 0143-7798 *
BOYLE R ET AL: "AUDITS OF SECONDARY COOLING SYSTEMS IN EXISTING CASTERS AS A METHOD TO ENHANCE PRODUCT QUALITY AND PRODUCTIVITY", IRON & STEEL TECHNOLOGY, AIST, WARRENDALE, PA, US, vol. 3, no. 7, 1 July 2006 (2006-07-01), pages 50 - 66, XP001245146, ISSN: 1547-0423 *
CHAUDHURI S ET AL: "Design and implementation of an automated secondary cooling system for the continuous casting of billets", ISA TRANSACTIONS, INSTRUMENT SOCIETY OF AMERICA. PITTSBURGH, US, vol. 49, no. 1, 1 January 2010 (2010-01-01), pages 121 - 129, XP026819838, ISSN: 0019-0578, [retrieved on 20091006] *
KAWASAKI S ET AL: "Effect of secondary cooling on the quality of continuous cast blooms", CAHIERS D'INFORMATIONS TECHNIQUES - REVUE DE MÃ CR TALLURGIE,, vol. 85, no. 3, 1 March 1988 (1988-03-01), pages 237 - 243, XP001315738 *
KUKLEV A V ET AL: "Rebuilding the secondary cooling system on the continuous slab caster at the Kamastal' Metallurgical Plant", METALLURGIST, KLUWER ACADEMIC PUBLISHERS-PLENUM PUBLISHERS, NE, vol. 51, no. 11-12, 1 November 2007 (2007-11-01), pages 612 - 616, XP019611615, ISSN: 1573-8892 *
See also references of WO2014098490A1 *

Also Published As

Publication number Publication date
KR20140081471A (en) 2014-07-01
EP2937162B1 (en) 2020-03-04
EP2937162A1 (en) 2015-10-28
CN104884189B (en) 2017-07-28
CN104884189A (en) 2015-09-02
WO2014098490A1 (en) 2014-06-26
KR101421841B1 (en) 2014-07-22

Similar Documents

Publication Publication Date Title
EP2937162A4 (en) Hybrid cooling nozzle apparatus, and method for controlling cooling nozzle of continuous casting equipment using same
SG11201505927WA (en) Method for controlling system bar of user equipment, and user equipment
PL2727669T3 (en) Casting method and use of an apparatus for casting
EP2861003A4 (en) Method and apparatus for controlling application right
KR101967080B9 (en) Apparatus and method for control of print gap
GB201111859D0 (en) Apparatus and method for controlling an apparatus
EP2700529A4 (en) Power supply apparatus for electric-powered vehicle, and method of controlling thereof
HK1199571A1 (en) Method, device and system for controlling quality of service
ZA201402867B (en) Method and apparatus for precisely controlling the size and shape of radiofrequency ablations
EP2845403A4 (en) Method and apparatus for controlling wireless network access parameter sharing
EP2770275A4 (en) Cooling device and control method for cooling device
KR101882067B1 (en) Secondary cooling method and secondary cooling device for continuous casting machine
GB2500459B (en) A Method and Apparatus for Controlling the Temperature of Components
EP3013286A4 (en) Apparatus and method for cooling head injury
SG11201504393QA (en) Image forming apparatus, and method for controlling image forming apparatus
EP2940275A4 (en) Method and apparatus for controlling egr
GB2503569B (en) Controller for controlling the speed of a cooling device, apparatus and methods
EP2843866A4 (en) Method and apparatus for adjusting downlink related parameters on basis of feedback ambiguity
EP2912913A4 (en) Method and apparatus for management of multiple communication channels
EP2765368A4 (en) Control method for cooling apparatus
EP2868406A4 (en) Control method and apparatus for continuous casting steel pouring
SG11201504435WA (en) Bonding tool cooling apparatus and method for cooling bonding tool
EP2789493A4 (en) Apparatus for cooling electric storage apparatus, and method for controlling cooling of electric storage apparatus
GB2496573B (en) Apparatus and method for controlling a cryogenic cooling system
HK1179435A1 (en) Method, equipment and system for session implmentation

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20150720

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): 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

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20160721

RIC1 Information provided on ipc code assigned before grant

Ipc: B22D 11/124 20060101AFI20160715BHEP

Ipc: B22D 11/22 20060101ALI20160715BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20171205

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20190919

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): 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

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1239805

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200315

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602013066549

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200604

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200605

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200604

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200729

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200704

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602013066549

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

26N No opposition filed

Effective date: 20201207

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20201219

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20201231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201231

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201219

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201219

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201231

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201219

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200304

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201231

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 602013066549

Country of ref document: DE

Owner name: POSCO CO., LTD, POHANG-SI, KR

Free format text: FORMER OWNER: POSCO, POHANG-SI, GYEONGSANGBUK-DO, KR

Ref country code: DE

Ref legal event code: R081

Ref document number: 602013066549

Country of ref document: DE

Owner name: POSCO CO., LTD, POHANG- SI, KR

Free format text: FORMER OWNER: POSCO, POHANG-SI, GYEONGSANGBUK-DO, KR

Ref country code: DE

Ref legal event code: R081

Ref document number: 602013066549

Country of ref document: DE

Owner name: POSCO HOLDINGS INC., KR

Free format text: FORMER OWNER: POSCO, POHANG-SI, GYEONGSANGBUK-DO, KR

REG Reference to a national code

Ref country code: NL

Ref legal event code: PD

Owner name: POSCO HOLDINGS INC.; KR

Free format text: DETAILS ASSIGNMENT: CHANGE OF OWNER(S), CHANGE OF LEGAL ENTITY; FORMER OWNER NAME: POSCO

Effective date: 20221026

REG Reference to a national code

Ref country code: NL

Ref legal event code: PD

Owner name: POSCO CO., LTD; KO

Free format text: DETAILS ASSIGNMENT: CHANGE OF OWNER(S), ASSIGNMENT; FORMER OWNER NAME: POSCO

Effective date: 20221109

REG Reference to a national code

Ref country code: AT

Ref legal event code: PC

Ref document number: 1239805

Country of ref document: AT

Kind code of ref document: T

Owner name: POSCO CO., LTD, KR

Effective date: 20230228

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 602013066549

Country of ref document: DE

Owner name: POSCO CO., LTD, POHANG-SI, KR

Free format text: FORMER OWNER: POSCO HOLDINGS INC., SEOUL, KR

Ref country code: DE

Ref legal event code: R081

Ref document number: 602013066549

Country of ref document: DE

Owner name: POSCO CO., LTD, POHANG- SI, KR

Free format text: FORMER OWNER: POSCO HOLDINGS INC., SEOUL, KR

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20231221

Year of fee payment: 11

Ref country code: IT

Payment date: 20231220

Year of fee payment: 11

Ref country code: AT

Payment date: 20231220

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20231220

Year of fee payment: 11