FR2029665A1 - - Google Patents

Info

Publication number
FR2029665A1
FR2029665A1 FR7001732A FR7001732A FR2029665A1 FR 2029665 A1 FR2029665 A1 FR 2029665A1 FR 7001732 A FR7001732 A FR 7001732A FR 7001732 A FR7001732 A FR 7001732A FR 2029665 A1 FR2029665 A1 FR 2029665A1
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.)
Granted
Application number
FR7001732A
Other languages
French (fr)
Other versions
FR2029665B1 (en
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.)
Hoesch AG
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 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691904442 DE1904442B2 (en) 1969-01-30 1969-01-30 PROCESS FOR VACUUM REFRESHING METAL MELT

Publications (2)

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

Family

ID=5723740

Family Applications (1)

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

Country Status (6)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL155487B (en) * 1965-07-22 1978-01-16 Textron Inc FILLING PEN OR SUCH WRITING OR MARKING INSTRUMENT.
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 (en) * 1988-02-16 1989-08-23 Acciaierie E Ferriere Lombarde Falck S.P.A. An apparatus for decarbonizing steels directly in the ladle
CA1337846C (en) * 1988-06-21 1996-01-02 Hiroshi Nishikawa Process for vacuum degassing and decarbonization with temperature drop compensating feature
AU653294B2 (en) * 1992-08-26 1994-09-22 Nippon Steel Corporation Process for vacuum degassing molten steel
DE4442362C1 (en) * 1994-11-18 1996-04-18 Mannesmann Ag Method and appts. for performing a variety of processes on a melt using standard equipment

Citations (3)

* 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
FR1238058A (en) * 1958-10-11 1960-08-05 Suedwestfalen Ag Stahlwerke Process for obtaining molten baths of highly alloyed metals
FR1277441A (en) * 1960-10-22 1961-12-01 Siderurgie Fse Inst Rech Improvements in vacuum steel processing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT174069B (en) * 1950-01-31 1953-02-25 Voest Ag Process for the production of technically pure iron
DE975922C (en) * 1951-03-17 1962-12-13 Oesterr Alpine Montan Process for blowing pig iron, in which oxygen is blown onto the bath surface from above with a blow nozzle
GB761657A (en) * 1953-01-15 1956-11-21 Oesterr Alpine Montan Improvements in methods for blowing metal baths, particularly pig iron baths
DE1216904B (en) * 1957-04-03 1966-05-18 Heraeus Gmbh W C Process for vacuum degassing of molten metals, in particular steel
DE1804748U (en) * 1958-02-22 1960-01-28 Hoerder Huettenunion Ag DEVICE FOR DEGASSING STEEL MELT.
DE1194886B (en) * 1960-06-24 1965-06-16 Beteiligungs & Patentverw Gmbh Process for refining pig iron, especially those with a high phosphorus content
GB1027115A (en) * 1963-06-25 1966-04-20 Allegheny Ludlum Steel Improvements in or relating to a process for producing corrosion-resisting steel

Patent Citations (3)

* 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
FR1238058A (en) * 1958-10-11 1960-08-05 Suedwestfalen Ag Stahlwerke Process for obtaining molten baths of highly alloyed metals
FR1277441A (en) * 1960-10-22 1961-12-01 Siderurgie Fse Inst Rech Improvements in vacuum steel processing

Also Published As

Publication number Publication date
FR2029665B1 (en) 1974-08-09
US3759700A (en) 1973-09-18
DE1904442B2 (en) 1978-01-19
JPS543121B1 (en) 1979-02-19
SE363846B (en) 1974-02-04
DE1904442A1 (en) 1970-09-03
GB1288336A (en) 1972-09-06

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Legal Events

Date Code Title Description
ST Notification of lapse