IT949401B - PERFECTED APPARATUS FOR THE VACUUM SOFTENING OF LEAD - Google Patents

PERFECTED APPARATUS FOR THE VACUUM SOFTENING OF LEAD

Info

Publication number
IT949401B
IT949401B IT12450/72A IT1245072A IT949401B IT 949401 B IT949401 B IT 949401B IT 12450/72 A IT12450/72 A IT 12450/72A IT 1245072 A IT1245072 A IT 1245072A IT 949401 B IT949401 B IT 949401B
Authority
IT
Italy
Prior art keywords
lead
perfected apparatus
softening
vacuum
vacuum softening
Prior art date
Application number
IT12450/72A
Other languages
Italian (it)
Inventor
G Althabegoity
Original Assignee
Penarroya Miniere Metall
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 Penarroya Miniere Metall filed Critical Penarroya Miniere Metall
Application granted granted Critical
Publication of IT949401B publication Critical patent/IT949401B/en

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
    • C22B13/00—Obtaining lead
    • C22B13/06—Refining
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physical Vapour Deposition (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Thermal Insulation (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
IT12450/72A 1971-02-03 1972-02-01 PERFECTED APPARATUS FOR THE VACUUM SOFTENING OF LEAD IT949401B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717103539A FR2124073B1 (en) 1971-02-03 1971-02-03

Publications (1)

Publication Number Publication Date
IT949401B true IT949401B (en) 1973-06-11

Family

ID=9071303

Family Applications (1)

Application Number Title Priority Date Filing Date
IT12450/72A IT949401B (en) 1971-02-03 1972-02-01 PERFECTED APPARATUS FOR THE VACUUM SOFTENING OF LEAD

Country Status (16)

Country Link
US (1) US3774892A (en)
AT (1) AT312948B (en)
BE (1) BE778799A (en)
BG (1) BG19196A3 (en)
BR (1) BR7200619D0 (en)
CA (1) CA952307A (en)
CS (1) CS162774B2 (en)
ES (1) ES399291A1 (en)
FR (1) FR2124073B1 (en)
GB (1) GB1326175A (en)
IT (1) IT949401B (en)
LU (1) LU64703A1 (en)
NL (1) NL154556B (en)
RO (1) RO61847A (en)
SU (1) SU419046A3 (en)
YU (1) YU34560B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2041066C (en) * 1991-04-23 1997-03-25 Philip G. Evans One step process for the treatment of parkes desilvering crust to recover zinc and produce a suitable feed for cupellation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615706A (en) * 1949-08-05 1952-10-28 Broken Hill Ass Smelter Distillation of metals

Also Published As

Publication number Publication date
LU64703A1 (en) 1972-06-30
CS162774B2 (en) 1975-07-15
GB1326175A (en) 1973-08-08
BR7200619D0 (en) 1973-06-14
NL7201201A (en) 1972-08-07
YU34560B (en) 1979-09-10
NL154556B (en) 1977-09-15
YU23972A (en) 1979-02-28
BG19196A3 (en) 1975-04-30
ES399291A1 (en) 1974-12-16
US3774892A (en) 1973-11-27
SU419046A3 (en) 1974-03-05
CA952307A (en) 1974-08-06
BE778799A (en) 1972-05-30
FR2124073B1 (en) 1974-02-15
RO61847A (en) 1977-05-15
FR2124073A1 (en) 1972-09-22
AT312948B (en) 1974-01-25

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