FR2029665B1 - - Google Patents

Info

Publication number
FR2029665B1
FR2029665B1 FR7001732A FR7001732A FR2029665B1 FR 2029665 B1 FR2029665 B1 FR 2029665B1 FR 7001732 A FR7001732 A FR 7001732A FR 7001732 A FR7001732 A FR 7001732A FR 2029665 B1 FR2029665 B1 FR 2029665B1
Authority
FR
France
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.)
Expired
Application number
FR7001732A
Other versions
FR2029665A1 (fr
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.)
Fried Krupp AG Hoesch Krupp
Original Assignee
Hoesch AG
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 Hoesch AG filed Critical Hoesch AG
Publication of FR2029665A1 publication Critical patent/FR2029665A1/fr
Application granted granted Critical
Publication of FR2029665B1 publication Critical patent/FR2029665B1/fr
Expired legal-status Critical Current

Links

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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
FR7001732A 1969-01-30 1970-01-19 Expired FR2029665B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691904442 DE1904442B2 (de) 1969-01-30 1969-01-30 Verfahren zum vakuumfrischen von metallschmelzen

Publications (2)

Publication Number Publication Date
FR2029665A1 FR2029665A1 (fr) 1970-10-23
FR2029665B1 true FR2029665B1 (fr) 1974-08-09

Family

ID=5723740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7001732A Expired FR2029665B1 (fr) 1969-01-30 1970-01-19

Country Status (6)

Country Link
US (1) US3759700A (fr)
JP (1) JPS543121B1 (fr)
DE (1) DE1904442B2 (fr)
FR (1) FR2029665B1 (fr)
GB (1) GB1288336A (fr)
SE (1) SE363846B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL155487B (nl) * 1965-07-22 1978-01-16 Textron Inc Vulpen of dergelijk schrijf- of markeerinstrument.
JPS5442211A (en) * 1977-09-09 1979-04-04 Yoshio Midorikawa Feltttip pen and method and device for making said pen
HU179333B (en) * 1978-10-04 1982-09-28 Vasipari Kutato Intezet Method and apparatus for decreasing the unclusion contents and refining the structure of steels
EP0328851A1 (fr) * 1988-02-16 1989-08-23 Acciaierie E Ferriere Lombarde Falck S.P.A. Appareillage pour la décarburation des aciers directement dans une poche
CA1337846C (fr) * 1988-06-21 1996-01-02 Hiroshi Nishikawa Procede de degazage et de decarburation sous vide avec maintien de la temperature
AU653294B2 (en) * 1992-08-26 1994-09-22 Nippon Steel Corporation Process for vacuum degassing molten steel
DE4442362C1 (de) * 1994-11-18 1996-04-18 Mannesmann Ag Verfahren und Vorrichtung zum Behandeln von einer in einem metallurgischen Gefäß befindlichen Metallschmelze

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2093666A (en) * 1934-11-23 1937-09-21 Wacker Chemie Gmbh Process for treating iron and iron alloys
AT174069B (de) * 1950-01-31 1953-02-25 Voest Ag Verfahren zur Herstellung von technisch reinem Eisen
DE975922C (de) * 1951-03-17 1962-12-13 Oesterr Alpine Montan Verfahren zum Verblasen von Roheisen, bei welchem Sauerstoff mit einer Blasduese von oben auf die Badoberflaeche aufgeblasen wird
GB761657A (en) * 1953-01-15 1956-11-21 Oesterr Alpine Montan Improvements in methods for blowing metal baths, particularly pig iron baths
DE1216904B (de) * 1957-04-03 1966-05-18 Heraeus Gmbh W C Verfahren zum Vakuumentgasen von geschmolzenen Metallen, insbesondere Stahl
DE1804748U (de) * 1958-02-22 1960-01-28 Hoerder Huettenunion Ag Vorrichtung zum entgasen von stahlschmelzen.
FR1238058A (fr) * 1958-10-11 1960-08-05 Suedwestfalen Ag Stahlwerke Procédé pour l'obtention de bains de fusion de métaux fortement alliés
DE1194886B (de) * 1960-06-24 1965-06-16 Beteiligungs & Patentverw Gmbh Verfahren zum Frischen von Roheisen, insbesondere solchem mit hohem Phosphorgehalt
FR1277441A (fr) * 1960-10-22 1961-12-01 Siderurgie Fse Inst Rech Perfectionnements au traitement de l'acier sous vide
GB1027115A (en) * 1963-06-25 1966-04-20 Allegheny Ludlum Steel Improvements in or relating to a process for producing corrosion-resisting steel

Also Published As

Publication number Publication date
GB1288336A (fr) 1972-09-06
SE363846B (fr) 1974-02-04
DE1904442A1 (de) 1970-09-03
US3759700A (en) 1973-09-18
FR2029665A1 (fr) 1970-10-23
JPS543121B1 (fr) 1979-02-19
DE1904442B2 (de) 1978-01-19

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Legal Events

Date Code Title Description
ST Notification of lapse