SE445837B - For skyddsgasdrift avsedd genomgangsugn - Google Patents
For skyddsgasdrift avsedd genomgangsugnInfo
- Publication number
- SE445837B SE445837B SE7808752A SE7808752A SE445837B SE 445837 B SE445837 B SE 445837B SE 7808752 A SE7808752 A SE 7808752A SE 7808752 A SE7808752 A SE 7808752A SE 445837 B SE445837 B SE 445837B
- Authority
- SE
- Sweden
- Prior art keywords
- shielding gas
- furnace
- lock chamber
- chamber
- vacuum pump
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 title claims 2
- 238000001816 cooling Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000001020 rhythmical effect Effects 0.000 claims 1
- 230000032258 transport Effects 0.000 description 10
- 230000007717 exclusion Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
- Tunnel Furnaces (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2737615A DE2737615C2 (de) | 1977-08-20 | 1977-08-20 | Durchlaufofen für Schutzgasbetrieb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7808752L SE7808752L (sv) | 1979-02-21 |
| SE445837B true SE445837B (sv) | 1986-07-21 |
Family
ID=6016894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7808752A SE445837B (sv) | 1977-08-20 | 1978-08-18 | For skyddsgasdrift avsedd genomgangsugn |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT355613B (de) |
| DE (1) | DE2737615C2 (de) |
| FR (1) | FR2400680A1 (de) |
| IT (1) | IT1172896B (de) |
| SE (1) | SE445837B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2532737A1 (fr) * | 1982-09-07 | 1984-03-09 | Inst Elektrotermicheskogo Obor | Four electrique continu pour le traitement physicochimique de pieces metalliques |
| DE3916178C1 (de) * | 1989-05-18 | 1990-06-13 | Mahler Dienstleistungs-Gmbh Loeten-Haerten-Anlagenbau, 7300 Esslingen, De | |
| DE4129879A1 (de) * | 1991-09-09 | 1993-03-11 | Loi Ind Ofenanlagen | Verfahren zum austausch der atmosphaere eines industrieofens |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3063878A (en) * | 1958-05-07 | 1962-11-13 | Wilson Lee | Method of and apparatus for annealing |
| GB1208134A (en) * | 1967-03-22 | 1970-10-07 | Gibbons Brothers Ltd | Improvements in or relating to continuous carburising |
| FR1530161A (fr) * | 1967-07-03 | 1968-06-21 | Degussa | Four de passage, procédés en usage dans la métallurgie effectués dans le présent four et les produits obtenus |
| US3606289A (en) * | 1969-02-26 | 1971-09-20 | Allegheny Ludlum Steel | Apparatus for annealing steel coils |
-
1977
- 1977-08-20 DE DE2737615A patent/DE2737615C2/de not_active Expired
-
1978
- 1978-08-17 AT AT599178A patent/AT355613B/de not_active IP Right Cessation
- 1978-08-18 SE SE7808752A patent/SE445837B/sv not_active IP Right Cessation
- 1978-08-18 FR FR7824176A patent/FR2400680A1/fr active Granted
- 1978-08-21 IT IT68936/78A patent/IT1172896B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT7868936A0 (it) | 1978-08-21 |
| ATA599178A (de) | 1979-08-15 |
| FR2400680A1 (fr) | 1979-03-16 |
| DE2737615C2 (de) | 1983-10-06 |
| AT355613B (de) | 1980-03-10 |
| SE7808752L (sv) | 1979-02-21 |
| FR2400680B1 (de) | 1984-03-16 |
| DE2737615A1 (de) | 1979-03-01 |
| IT1172896B (it) | 1987-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7808752-5 Effective date: 19940310 Format of ref document f/p: F |