EP3770295A4 - Procédé de fabrication d'un élément d'estampage à chaud doté d'un revêtement en alliage aluminium-silicium, et élément d'estampage à chaud - Google Patents

Procédé de fabrication d'un élément d'estampage à chaud doté d'un revêtement en alliage aluminium-silicium, et élément d'estampage à chaud Download PDF

Info

Publication number: EP3770295A4
Authority: EP; European Patent Office
Prior art keywords: hot stamping; stamping element; aluminum; making; silicon alloy
Prior art date: 2018-08-08
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

EP19847997.4A

Other languages

German (de)

English (en)

Other versions

EP3770295B1 (fr

EP3770295A1 (fr

Inventor

Ning TAN

Jiang Fu

Jiyao HONG

Xuehua FANG

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.)

Baoshan Iron and Steel Co Ltd

Original Assignee

Baoshan Iron and Steel 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.)

2018-08-08

Filing date

2019-09-06

Publication date

2022-03-09

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=65770861&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3770295(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2019-09-06 Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd

2021-01-27 Publication of EP3770295A1 publication Critical patent/EP3770295A1/fr

2022-03-09 Publication of EP3770295A4 publication Critical patent/EP3770295A4/fr

2023-08-16 Application granted granted Critical

2023-08-16 Publication of EP3770295B1 publication Critical patent/EP3770295B1/fr

Status Active legal-status Critical Current

2039-09-06 Anticipated expiration legal-status Critical

Links

Classifications

- 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
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- 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
- C21D1/62—Quenching devices
- C21D1/673—Quenching devices for die quenching
- 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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
- 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
- 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
- C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent

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Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Organic Chemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Crystallography & Structural Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Coating With Molten Metal (AREA)
Heat Treatment Of Articles (AREA)
Shaping Metal By Deep-Drawing, Or The Like (AREA)

EP19847997.4A 2018-08-08 2019-09-06 Procédé de fabrication d'un composant d'estampage á chaud ayant un revêtement en alliage aluminium-silicium Active EP3770295B1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
CN201810896744		2018-08-08
CN201811035118.2A CN109518114A (zh)	2018-08-08	2018-09-06	带铝硅合金镀层的热冲压部件的制造方法及热冲压部件
PCT/CN2019/104708 WO2020030200A1 (fr)	2018-08-08	2019-09-06	Procédé de fabrication d'un élément d'estampage à chaud doté d'un revêtement en alliage aluminium-silicium, et élément d'estampage à chaud

Publications (3)

Publication Number	Publication Date
EP3770295A1 EP3770295A1 (fr)	2021-01-27
EP3770295A4 true EP3770295A4 (fr)	2022-03-09
EP3770295B1 EP3770295B1 (fr)	2023-08-16

Family

ID=65770861

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19847997.4A Active EP3770295B1 (fr)	2018-08-08	2019-09-06	Procédé de fabrication d'un composant d'estampage á chaud ayant un revêtement en alliage aluminium-silicium

Country Status (11)

Country	Link
US (1)	US20210252579A1 (fr)
EP (1)	EP3770295B1 (fr)
CN (2)	CN109518114A (fr)
DK (1)	DK3770295T3 (fr)
ES (1)	ES2962214T3 (fr)
FI (1)	FI3770295T3 (fr)
HU (1)	HUE063894T2 (fr)
PL (1)	PL3770295T3 (fr)
PT (1)	PT3770295T (fr)
RU (1)	RU2764729C1 (fr)
WO (1)	WO2020030200A1 (fr)

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CN109518114A (zh) *	2018-08-08	2019-03-26	宝山钢铁股份有限公司	带铝硅合金镀层的热冲压部件的制造方法及热冲压部件
CN112877592B (zh) *	2019-11-29	2022-06-28	宝山钢铁股份有限公司	具有优异漆膜附着力的热成形部件及其制造方法
CN112877590A (zh) *	2019-11-29	2021-06-01	宝山钢铁股份有限公司	一种性能优异的带涂层热成形部件及其制造方法
DE202019107269U1 (de) *	2019-12-30	2020-01-23	C4 Laser Technology GmbH	Verschleiß- und Korrosionsschutzschicht aufweisende Bremseinheit
CN111647802B (zh) *	2020-05-11	2021-10-22	首钢集团有限公司	一种涂覆铝硅合金镀层的热冲压构件的制备方法及其产品
KR102240850B1 (ko) *	2020-07-10	2021-04-16	주식회사 포스코	생산성, 용접성 및 성형성이 우수한 열간 프레스 성형 부재의 제조 방법
KR102399887B1 (ko) *	2020-12-09	2022-05-20	현대제철 주식회사	핫 스탬핑 부품 및 이의 제조 방법
KR102366284B1 (ko) *	2020-12-28	2022-02-23	현대제철 주식회사	핫 스탬핑 부품 및 그 제조방법
CN114807739A (zh) *	2021-01-28	2022-07-29	宝山钢铁股份有限公司	一种镀铝钢板、热成形部件及制造方法
CN115673074A (zh) *	2021-07-28	2023-02-03	宝山钢铁股份有限公司	一种1500MPa以上的铝硅镀层热冲压钢零件制备方法及零件
CN113814654A (zh) *	2021-08-20	2021-12-21	首钢集团有限公司	一种使用含铝镀层热成形板制备热成形零件的方法
CN116000169A (zh) *	2021-10-21	2023-04-25	香港大学	一种用于预涂覆钢板的热冲压成形方法
CN116851528B (zh) *	2022-03-28	2026-04-10	宝山钢铁股份有限公司	用于生产高冷弯性能的高强度热冲压部件的方法、热冲压部件
CN115156845B (zh) *	2022-06-16	2024-06-21	唐山钢铁集团高强汽车板有限公司	一种防止镀层粘辊的镀锌热成形钢生产方法
CN116219271B (zh)	2022-07-22	2024-01-09	宝山钢铁股份有限公司	一种铝硅镀层钢板、热成形部件及其制造方法
CN115318912A (zh) *	2022-07-28	2022-11-11	苏州普热斯勒先进成型技术有限公司	热冲压成型零件的制备装置及方法
CN116174558A (zh) *	2023-02-09	2023-05-30	香港大学	一种铝硅镀层热冲压成形构件及其制备方法和应用
CN116200591B (zh) *	2023-02-24	2025-09-16	首钢集团有限公司	一种铝硅镀层热成形钢热处理的方法
CN116855838A (zh) *	2023-06-21	2023-10-10	首钢集团有限公司	一种热冲压用铝硅镀层钢、汽车零部件及其制备方法
CN119681088B (zh) *	2024-12-17	2025-11-04	江西豪斯特汽车零部件有限公司	铝硅板和镀锌板共线生产镀层不粘辊的零部件制造方法
CN120885592B (zh) *	2025-09-30	2025-12-26	苏州联展汽车科技有限公司	一种汽车超高强钢热冲压件的成形方法

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2019
- 2019-09-06 WO PCT/CN2019/104708 patent/WO2020030200A1/fr not_active Ceased
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- 2019-09-06 RU RU2020133922A patent/RU2764729C1/ru active
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Publication number	Publication date
FI3770295T3 (fi)	2023-11-01
PL3770295T3 (pl)	2024-01-22
RU2764729C1 (ru)	2022-01-19
US20210252579A1 (en)	2021-08-19
EP3770295B1 (fr)	2023-08-16
CN117483561A (zh)	2024-02-02
PT3770295T (pt)	2023-11-06
CN109518114A (zh)	2019-03-26
DK3770295T3 (en)	2023-10-30
ES2962214T3 (es)	2024-03-18
WO2020030200A1 (fr)	2020-02-13
EP3770295A1 (fr)	2021-01-27
HUE063894T2 (hu)	2024-02-28

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MA53800A (fr)	2022-04-06	Procédé d'emboutissage à chaud
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