EP3872196A4 - Local heat treatment system and cold forming method using same - Google Patents

Local heat treatment system and cold forming method using same Download PDF

Info

Publication number: EP3872196A4
Authority: EP; European Patent Office
Prior art keywords: heat treatment; same; forming method; treatment system; cold forming
Prior art date: 2018-11-29
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19891130.7A

Other languages

German (de)

French (fr)

Other versions

EP3872196A1 (en

Inventor

Youn-Hee Kang

Chang Ho Moon

Ki Soo Kim

Jong Youn Park

Gil-Ho Song

Eun-Ho Lee

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.)

2018-11-29

Filing date

2019-08-08

Publication date

2022-03-16

2019-08-08 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2021-09-01 Publication of EP3872196A1 publication Critical patent/EP3872196A1/en

2022-03-16 Publication of EP3872196A4 publication Critical patent/EP3872196A4/en

Status Withdrawn legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/008—Bending sheet metal along straight lines, e.g. to form simple curves combined with heating or cooling of the bends
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Shaping Metal By Deep-Drawing, Or The Like (AREA)

EP19891130.7A 2018-11-29 2019-08-08 Local heat treatment system and cold forming method using same Withdrawn EP3872196A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR1020180151020A KR20200064661A (en)	2018-11-29	2018-11-29	Selective heating system and cold forming method using the same
PCT/KR2019/009979 WO2020111442A1 (en)	2018-11-29	2019-08-08	Local heat treatment system and cold forming method using same

Publications (2)

Publication Number	Publication Date
EP3872196A1 EP3872196A1 (en)	2021-09-01
EP3872196A4 true EP3872196A4 (en)	2022-03-16

Family

ID=70853051

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19891130.7A Withdrawn EP3872196A4 (en)	2018-11-29	2019-08-08	Local heat treatment system and cold forming method using same

Country Status (6)

Country	Link
US (1)	US20220016683A1 (en)
EP (1)	EP3872196A4 (en)
JP (1)	JP2022510869A (en)
KR (1)	KR20200064661A (en)
CN (1)	CN113166825A (en)
WO (1)	WO2020111442A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112676386B (en) *	2020-12-23	2022-11-04	安徽骄阳软门有限责任公司	Soft magnet pressure feeding straightening device for door curtain production

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1160815B (en) *	1959-07-21	1964-01-09	Hoesch Ag	Process for the production of profiles from cold-rolled or tempered steel and non-ferrous metal strips
DE3728041A1 (en) *	1987-08-22	1989-03-02	Messer Griesheim Gmbh	Method for the production of bent parts from pre-hardened metals by cold forming
DE102013111379A1 (en) *	2013-04-02	2014-10-02	Hyundai Motor Company	A near infrared light condensing heat unit, a near infrared light condensing heater using the same, and a method of forming a panel using the same
DE102013011572A1 (en) *	2013-07-10	2015-01-15	Audi Ag	Method for local and distortion-free heat treatment of sheet metal or sheet-like components by local resistance heating
US20150075678A1 (en) *	2013-09-17	2015-03-19	Hyundai Motor Company	Method for laser heat treatment to improve formability of advanced high strength steels

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0234200B1 (en) *	1986-01-21	1990-12-05	Siemens Aktiengesellschaft	Process and device for the heat treatment of longitudinally welded pipes
EP1899089B1 (en) *	2005-04-22	2012-06-13	K.U. Leuven Research and Development	Asymmetric incremental sheet forming system
US7977611B2 (en) *	2007-07-19	2011-07-12	United Technologies Corporation	Systems and methods for providing localized heat treatment of metal components
US8372222B2 (en) *	2008-10-03	2013-02-12	Ajax Tocco Magnethermic Corporation	Method of producing locally austempered ductile iron
KR101176068B1 (en) *	2010-03-24	2012-08-24	황현태	Apparatus and method for local laser heat treatment
TR201815190T4 (en) *	2011-03-03	2018-11-21	Nippon Steel Corp	Sheet metal bending method and sheet metal product.
KR101359055B1 (en) *	2011-03-31	2014-02-07	주식회사 포스코	Apparatus for heat treatment of hot forming blank and method for manufacturing hot formed part using the same
JP5565635B2 (en) *	2011-06-30	2014-08-06	高周波熱錬株式会社	Induction heat treatment apparatus and method
DE102011120679A1 (en) *	2011-12-08	2013-06-13	Linde Aktiengesellschaft	Plant and method for hot forming of blanks
US9370046B2 (en) *	2013-07-23	2016-06-14	Phoseon Technology, Inc.	Compound elliptical reflector for curing optical fibers
US10112227B2 (en) *	2013-11-07	2018-10-30	Illinois Tool Works Inc.	Large scale metal forming control system and method
JP6644575B2 (en) *	2016-02-09	2020-02-12	三菱重工業株式会社	Jig for laser heat treatment

2018
- 2018-11-29 KR KR1020180151020A patent/KR20200064661A/en not_active Ceased
2019
- 2019-08-08 WO PCT/KR2019/009979 patent/WO2020111442A1/en not_active Ceased
- 2019-08-08 CN CN201980079214.3A patent/CN113166825A/en active Pending
- 2019-08-08 JP JP2021529340A patent/JP2022510869A/en active Pending
- 2019-08-08 US US17/296,883 patent/US20220016683A1/en not_active Abandoned
- 2019-08-08 EP EP19891130.7A patent/EP3872196A4/en not_active Withdrawn

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1160815B (en) *	1959-07-21	1964-01-09	Hoesch Ag	Process for the production of profiles from cold-rolled or tempered steel and non-ferrous metal strips
DE3728041A1 (en) *	1987-08-22	1989-03-02	Messer Griesheim Gmbh	Method for the production of bent parts from pre-hardened metals by cold forming
DE102013111379A1 (en) *	2013-04-02	2014-10-02	Hyundai Motor Company	A near infrared light condensing heat unit, a near infrared light condensing heater using the same, and a method of forming a panel using the same
DE102013011572A1 (en) *	2013-07-10	2015-01-15	Audi Ag	Method for local and distortion-free heat treatment of sheet metal or sheet-like components by local resistance heating
US20150075678A1 (en) *	2013-09-17	2015-03-19	Hyundai Motor Company	Method for laser heat treatment to improve formability of advanced high strength steels

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020111442A1 *

Also Published As

Publication number	Publication date
US20220016683A1 (en)	2022-01-20
CN113166825A (en)	2021-07-23
WO2020111442A1 (en)	2020-06-04
KR20200064661A (en)	2020-06-08
EP3872196A1 (en)	2021-09-01
JP2022510869A (en)	2022-01-28

Legal Events

Date	Code	Title	Description
2020-06-06	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2021-07-30	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
2021-07-30	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2021-09-01	17P	Request for examination filed	Effective date: 20210526
2021-09-01	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
2022-03-09	DAV	Request for validation of the european patent (deleted)
2022-03-09	DAX	Request for extension of the european patent (deleted)
2022-03-16	A4	Supplementary search report drawn up and despatched	Effective date: 20220211
2022-03-16	RIC1	Information provided on ipc code assigned before grant	Ipc: B21D 5/00 20060101ALI20220207BHEP Ipc: B21J 1/06 20060101ALI20220207BHEP Ipc: B21D 37/16 20060101ALI20220207BHEP Ipc: C21D 11/00 20060101ALI20220207BHEP Ipc: C21D 9/46 20060101ALI20220207BHEP Ipc: C21D 1/34 20060101AFI20220207BHEP
2022-11-23	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: POSCO HOLDINGS INC.
2023-01-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2023-02-08	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: POSCO CO., LTD
2023-02-22	18D	Application deemed to be withdrawn	Effective date: 20220913

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