GB855667A - Improvements in or relating to the production of degassed metal - Google Patents
Improvements in or relating to the production of degassed metalInfo
- Publication number
- GB855667A GB855667A GB1074257A GB1074257A GB855667A GB 855667 A GB855667 A GB 855667A GB 1074257 A GB1074257 A GB 1074257A GB 1074257 A GB1074257 A GB 1074257A GB 855667 A GB855667 A GB 855667A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chambers
- metal
- vacuum
- chamber
- vacuum chamber
- 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
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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/04—Refining by applying a vacuum
-
- 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)
- Manufacture And Refinement Of Metals (AREA)
Abstract
855,667. Degassing metals. BRENNAN, J. B. April 2, 1957, No. 10742/57. Class 72 Degassed metal is produced by exposing a molten metal to progressively increased vacuum in successive evacuated chambers. As shown, molten metal may be poured into a container 16 from which it is fed to a spiral shoot 13a in a vacuum chamber 3a and collected in a crucible 9a from which it flows to two series of vacuum chambers 3b, 3c and 3c, 3f. The pressure in the chambers 3c and 3f being the same and less than in the preceding chambers. The metal from the chambers 3c and 3f is fed into a final vacuum chamber 3d from the crucible 9d of which it flows into a mould, in the example, a continuous mould. All the crucibles and pipes leading to the vacuum chambers are provided with heating means, e.g. high frequency coils, in order that the temperature may be controlled. In a modification, Fig. 2 (not shown), one of the vacuum chambers may include a porous tube through which the metal passes in particulate droplets and a spray of aluminium or titanium may be added to the vacuum chamber to assist in obtaining the required vacuum. In a further modification, Fig. 3 (not shown), the metal may be transferred from one chamber to another by means of centrifugal pumps. The final metal may be sprayed on to a moving base to produce a coating. Specifications 748,642, 805,420 and 809,540 are referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1074257A GB855667A (en) | 1957-04-02 | 1957-04-02 | Improvements in or relating to the production of degassed metal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1074257A GB855667A (en) | 1957-04-02 | 1957-04-02 | Improvements in or relating to the production of degassed metal |
Publications (1)
Publication Number | Publication Date |
---|---|
GB855667A true GB855667A (en) | 1960-12-07 |
Family
ID=9973445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1074257A Expired GB855667A (en) | 1957-04-02 | 1957-04-02 | Improvements in or relating to the production of degassed metal |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB855667A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4763717A (en) * | 1975-01-02 | 1988-08-16 | Pierre Lajoye | Centrifugal method and apparatus for melting and casting of metal alloys |
-
1957
- 1957-04-02 GB GB1074257A patent/GB855667A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4763717A (en) * | 1975-01-02 | 1988-08-16 | Pierre Lajoye | Centrifugal method and apparatus for melting and casting of metal alloys |
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