ATE29739T1 - Verfahren zum feinen von metallen durch einblasen. - Google Patents

Verfahren zum feinen von metallen durch einblasen.

Info

Publication number: ATE29739T1
Authority: AT; Austria
Prior art keywords: oxidizing gas; dilution curve; mixture; straight line; line portions
Prior art date: 1984-03-09

Application number

AT85400414T

Other languages

English (en)

Inventor

Claude Heller

Albert-Gilbert Goursat

Jean Foulard

Original Assignee

Air Liquide

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.)

1984-03-09

Filing date

1985-03-05

Publication date

1987-10-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9301846&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE29739(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1985-03-05 Application filed by Air Liquide filed Critical Air Liquide

1987-10-15 Application granted granted Critical

1987-10-15 Publication of ATE29739T1 publication Critical patent/ATE29739T1/de

Links

239000002184 metal Substances 0.000 title abstract 2
229910052751 metal Inorganic materials 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
238000007664 blowing Methods 0.000 title 1
150000002739 metals Chemical class 0.000 title 1
238000010790 dilution Methods 0.000 abstract 3
239000012895 dilution Substances 0.000 abstract 3
239000007789 gas Substances 0.000 abstract 3
230000001590 oxidative effect Effects 0.000 abstract 3
239000011261 inert gas Substances 0.000 abstract 2
239000000203 mixture Substances 0.000 abstract 2
238000007670 refining Methods 0.000 abstract 2
229910000805 Pig iron Inorganic materials 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/34—Blowing through the bath
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Carbon Steel Or Casting Steel Manufacturing (AREA)
Manufacture And Refinement Of Metals (AREA)
Treatment Of Steel In Its Molten State (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Mold Materials And Core Materials (AREA)

AT85400414T 1984-03-09 1985-03-05 Verfahren zum feinen von metallen durch einblasen. ATE29739T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR8403626A FR2560891B1 (fr)	1984-03-09	1984-03-09	Procede d'affinage de la fonte
EP85400414A EP0156706B1 (de)	1984-03-09	1985-03-05	Verfahren zum Feinen von Metallen durch Einblasen

Publications (1)

Publication Number	Publication Date
ATE29739T1 true ATE29739T1 (de)	1987-10-15

Family

ID=9301846

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT85400414T ATE29739T1 (de)	1984-03-09	1985-03-05	Verfahren zum feinen von metallen durch einblasen.

Country Status (8)

Country	Link
US (1)	US4568386A (de)
EP (1)	EP0156706B1 (de)
JP (1)	JPS60211007A (de)
AT (1)	ATE29739T1 (de)
CA (1)	CA1233646A (de)
DE (1)	DE3560636D1 (de)
ES (1)	ES8606505A1 (de)
FR (1)	FR2560891B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
HRP970303B1 (en) *	1996-06-05	2002-06-30	Holderbank Financ Glarus	Method for making pozzolans, synthetic blast-furnance slag, belite or alite clinkers, and pig-iron alloys, from oxidic slag and a device for implementing this method
US7363851B2 (en) *	2006-01-20	2008-04-29	Fisher Controls International, Llc	Spacers for use with actuator casings

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3004847A (en) *	1957-12-23	1961-10-17	Bot Brassert Oxygen Technik Ag	Refining of crude iron
BE610265A (de) *	1960-11-18
US3861888A (en) *	1973-06-28	1975-01-21	Union Carbide Corp	Use of CO{HD 2 {B in argon-oxygen refining of molten metal
FR2283229A1 (fr) *	1974-08-30	1976-03-26	Uss Eng & Consult	Procede pour produire de l'acier a faible teneur en azote
US3930843A (en) *	1974-08-30	1976-01-06	United States Steel Corporation	Method for increasing metallic yield in bottom blown processes
JPS5392319A (en) *	1977-01-25	1978-08-14	Nisshin Steel Co Ltd	Method of making ultralowwcarbon stainless steel
FR2448572B1 (fr) *	1979-02-09	1985-10-18	Pennsylvania Engineering Corp	Procede d'obtention d'acier a basse teneur en carbone au convertisseur oxygene-argon
US4260415A (en) *	1979-12-12	1981-04-07	Allegheny Ludlum Steel Corporation	Decarburizing molten metal

1984
- 1984-03-09 FR FR8403626A patent/FR2560891B1/fr not_active Expired
1985
- 1985-03-05 DE DE8585400414T patent/DE3560636D1/de not_active Expired
- 1985-03-05 US US06/708,277 patent/US4568386A/en not_active Expired - Fee Related
- 1985-03-05 EP EP85400414A patent/EP0156706B1/de not_active Expired
- 1985-03-05 AT AT85400414T patent/ATE29739T1/de not_active IP Right Cessation
- 1985-03-08 JP JP60044989A patent/JPS60211007A/ja active Pending
- 1985-03-08 ES ES541084A patent/ES8606505A1/es not_active Expired
- 1985-03-08 CA CA000476079A patent/CA1233646A/fr not_active Expired

Also Published As

Publication number	Publication date
US4568386A (en)	1986-02-04
JPS60211007A (ja)	1985-10-23
FR2560891A1 (fr)	1985-09-13
DE3560636D1 (en)	1987-10-22
ES541084A0 (es)	1986-04-16
CA1233646A (fr)	1988-03-08
FR2560891B1 (fr)	1989-10-20
ES8606505A1 (es)	1986-04-16
EP0156706A1 (de)	1985-10-02
EP0156706B1 (de)	1987-09-16

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Legal Events

Date	Code	Title	Description
1988-01-15	UEP	Publication of translation of european patent specification
1991-03-15	RZN	Patent revoked