FI50344C - Vaikeasti sulavien metallien valmistusmenetelmä - Google Patents

Vaikeasti sulavien metallien valmistusmenetelmä

Info

Publication number
FI50344C
FI50344C FI691023A FI102369A FI50344C FI 50344 C FI50344 C FI 50344C FI 691023 A FI691023 A FI 691023A FI 102369 A FI102369 A FI 102369A FI 50344 C FI50344 C FI 50344C
Authority
FI
Finland
Prior art keywords
production
refractory metals
refractory
metals
Prior art date
Application number
FI691023A
Other languages
English (en)
Swedish (sv)
Other versions
FI50344B (fi
Inventor
Elis Kjell Aoke Svanstroem
Lars Henry Ramqvist
Original Assignee
Nordstjernan Rederi Ab
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
Priority claimed from SE04765/68A external-priority patent/SE339875B/xx
Priority claimed from SE01661/69A external-priority patent/SE329920B/xx
Application filed by Nordstjernan Rederi Ab filed Critical Nordstjernan Rederi Ab
Priority to FI751610A priority Critical patent/FI751610A/fi
Publication of FI50344B publication Critical patent/FI50344B/fi
Application granted granted Critical
Publication of FI50344C publication Critical patent/FI50344C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/06—Dry methods smelting of sulfides or formation of mattes by carbides or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C27/00—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels
    • B60C27/02—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over restricted arcuate part of tread
    • B60C27/04—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over restricted arcuate part of tread the ground-engaging part being rigid
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/36—Obtaining tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FI691023A 1968-04-09 1969-04-09 Vaikeasti sulavien metallien valmistusmenetelmä FI50344C (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI751610A FI751610A (fi) 1968-04-09 1975-05-30

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE04765/68A SE339875B (fi) 1968-04-09 1968-04-09
SE01661/69A SE329920B (fi) 1969-02-07 1969-02-07

Publications (2)

Publication Number Publication Date
FI50344B FI50344B (fi) 1975-10-31
FI50344C true FI50344C (fi) 1976-02-10

Family

ID=26654278

Family Applications (1)

Application Number Title Priority Date Filing Date
FI691023A FI50344C (fi) 1968-04-09 1969-04-09 Vaikeasti sulavien metallien valmistusmenetelmä

Country Status (7)

Country Link
US (1) US3701649A (fi)
JP (1) JPS4915124B1 (fi)
DE (1) DE1918107A1 (fi)
FI (1) FI50344C (fi)
FR (1) FR2005897A1 (fi)
GB (1) GB1263283A (fi)
NL (1) NL144331B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57204812U (fi) * 1981-06-19 1982-12-27
EP2102109A2 (en) 2006-12-08 2009-09-23 Wild River Consulting Group, LLC Fusion process using an alkali metal metalate
KR101163375B1 (ko) * 2010-07-30 2012-07-12 충남대학교산학협력단 원광 금속환원 및 전해정련 일관공정에 의한 원자로급 지르코늄 친환경 신 제련공정

Also Published As

Publication number Publication date
US3701649A (en) 1972-10-31
FR2005897A1 (fi) 1969-12-19
NL144331B (nl) 1974-12-16
NL6905479A (fi) 1969-10-13
JPS4915124B1 (fi) 1974-04-12
DE1918107A1 (de) 1969-10-23
FI50344B (fi) 1975-10-31
GB1263283A (en) 1972-02-09

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