GB859809A - Improvements in electric vacuum furnaces - Google Patents
Improvements in electric vacuum furnacesInfo
- Publication number
- GB859809A GB859809A GB37853/59A GB3785359A GB859809A GB 859809 A GB859809 A GB 859809A GB 37853/59 A GB37853/59 A GB 37853/59A GB 3785359 A GB3785359 A GB 3785359A GB 859809 A GB859809 A GB 859809A
- Authority
- GB
- United Kingdom
- Prior art keywords
- furnace
- leads
- fixed
- vacuum tank
- movable part
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/62—Heating elements specially adapted for furnaces
- H05B3/64—Heating elements specially adapted for furnaces using ribbon, rod, or wire heater
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
859,809. Electric induction furnaces. ALLMANNA SVENSKA ELEKTRISKA A.B. Nov. 9, 1959 [Nov. 11, 1958], No. 37853/59. Class 39(3). [Also in Group XII] The lead-through seal 1, Fig. 3, for the electrical and coolant leads in an electric high-frequency vacuum melting furnace is joined inseparably with the leads, and the connections to the leads are made outside the vacuum tank 11 at 21 so that when the furnace is removed the seal is pushed into the interior of the vacuum tank and removed with it. The seal comprises a rubber plate 1, Fig. 1, in which are fixed, e.g. by vulcanisation, hoses 3 containing the electrical leads 4 and providing for the circulation of cooling water. The plate 1 is fixed, e.g. by vulcanisation, to a water-cooled steel ring 6 which is inserted in a ring 7 welded to the vacuum tank 11. The vacuum tank comprises a movable part 10, Fig. 4, a fixed part 11 and a cover 12. The movable part supports toothed wheels 17 for engaging toothed segments 19 fixed to the furnace 13 in order to tilt the furnace about the shaft 14. An abutment 22 prevents tilting of the furnace when the movable part 10 of the tank is moved away.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE859809X | 1958-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB859809A true GB859809A (en) | 1961-01-25 |
Family
ID=20362981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB37853/59A Expired GB859809A (en) | 1958-11-11 | 1959-11-09 | Improvements in electric vacuum furnaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB859809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2270371A (en) * | 1992-09-05 | 1994-03-09 | Leybold Durferrit Gmbh | Discharging induction furnace |
-
1959
- 1959-11-09 GB GB37853/59A patent/GB859809A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2270371A (en) * | 1992-09-05 | 1994-03-09 | Leybold Durferrit Gmbh | Discharging induction furnace |
| US5343492A (en) * | 1992-09-05 | 1994-08-30 | Leybold Durferrit Gmbh | Closed induction furnace for the melting and casting of substances |
| GB2270371B (en) * | 1992-09-05 | 1996-06-19 | Leybold Durferrit Gmbh | Sealed induction furnace for melting and casting materials |
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