BE778799A - PERFECTED APPARATUS FOR VACUUM LEAD DULCIFICATION - Google Patents
PERFECTED APPARATUS FOR VACUUM LEAD DULCIFICATIONInfo
- Publication number
- BE778799A BE778799A BE778799A BE778799A BE778799A BE 778799 A BE778799 A BE 778799A BE 778799 A BE778799 A BE 778799A BE 778799 A BE778799 A BE 778799A BE 778799 A BE778799 A BE 778799A
- Authority
- BE
- Belgium
- Prior art keywords
- dulcification
- vacuum lead
- perfected apparatus
- perfected
- vacuum
- Prior art date
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)
- Thermal Insulation (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Physical Vapour Deposition (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
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 |
---|---|
BE778799A true BE778799A (en) | 1972-05-30 |
Family
ID=9071303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE778799A BE778799A (en) | 1971-02-03 | 1972-02-01 | PERFECTED APPARATUS FOR VACUUM LEAD DULCIFICATION |
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2615706A (en) * | 1949-08-05 | 1952-10-28 | Broken Hill Ass Smelter | Distillation of metals |
-
1971
- 1971-02-03 FR FR717103539A patent/FR2124073B1/fr not_active Expired
-
1972
- 1972-01-26 RO RO69553A patent/RO61847A/ro unknown
- 1972-01-28 NL NL727201201A patent/NL154556B/en not_active IP Right Cessation
- 1972-01-28 ES ES399291A patent/ES399291A1/en not_active Expired
- 1972-01-29 BG BG019604A patent/BG19196A3/en unknown
- 1972-02-01 YU YU239/72A patent/YU34560B/en unknown
- 1972-02-01 GB GB476572A patent/GB1326175A/en not_active Expired
- 1972-02-01 US US00222626A patent/US3774892A/en not_active Expired - Lifetime
- 1972-02-01 BE BE778799A patent/BE778799A/en unknown
- 1972-02-01 IT IT12450/72A patent/IT949401B/en active
- 1972-02-01 LU LU64703D patent/LU64703A1/xx unknown
- 1972-02-02 CA CA133,759A patent/CA952307A/en not_active Expired
- 1972-02-03 AT AT88072A patent/AT312948B/en not_active IP Right Cessation
- 1972-02-03 SU SU1743820A patent/SU419046A3/ru active
- 1972-02-03 CS CS693A patent/CS162774B2/cs unknown
- 1972-02-03 BR BR619/72*[A patent/BR7200619D0/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT949401B (en) | 1973-06-11 |
US3774892A (en) | 1973-11-27 |
CS162774B2 (en) | 1975-07-15 |
NL7201201A (en) | 1972-08-07 |
YU34560B (en) | 1979-09-10 |
BR7200619D0 (en) | 1973-06-14 |
ES399291A1 (en) | 1974-12-16 |
FR2124073A1 (en) | 1972-09-22 |
LU64703A1 (en) | 1972-06-30 |
CA952307A (en) | 1974-08-06 |
RO61847A (en) | 1977-05-15 |
BG19196A3 (en) | 1975-04-30 |
GB1326175A (en) | 1973-08-08 |
SU419046A3 (en) | 1974-03-05 |
YU23972A (en) | 1979-02-28 |
NL154556B (en) | 1977-09-15 |
FR2124073B1 (en) | 1974-02-15 |
AT312948B (en) | 1974-01-25 |
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