FR1197543A - Improvements to arc furnaces - Google Patents

Improvements to arc furnaces

Info

Publication number
FR1197543A
FR1197543A FR1197543DA FR1197543A FR 1197543 A FR1197543 A FR 1197543A FR 1197543D A FR1197543D A FR 1197543DA FR 1197543 A FR1197543 A FR 1197543A
Authority
FR
France
Prior art keywords
arc furnaces
furnaces
arc
Prior art date
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
Other languages
French (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.)
Electric Furnace Co
Original Assignee
Electric Furnace Co
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 Electric Furnace Co filed Critical Electric Furnace Co
Application granted granted Critical
Publication of FR1197543A publication Critical patent/FR1197543A/en
Expired legal-status Critical Current

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
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/14—Obtaining zirconium or hafnium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
FR1197543D 1958-03-26 1958-07-03 Improvements to arc furnaces Expired FR1197543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1197543X 1958-03-26

Publications (1)

Publication Number Publication Date
FR1197543A true FR1197543A (en) 1959-12-01

Family

ID=10881636

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1197543D Expired FR1197543A (en) 1958-03-26 1958-07-03 Improvements to arc furnaces

Country Status (1)

Country Link
FR (1) FR1197543A (en)

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