FR2257069B3 - - Google Patents
Info
- Publication number
- FR2257069B3 FR2257069B3 FR7443489A FR7443489A FR2257069B3 FR 2257069 B3 FR2257069 B3 FR 2257069B3 FR 7443489 A FR7443489 A FR 7443489A FR 7443489 A FR7443489 A FR 7443489A FR 2257069 B3 FR2257069 B3 FR 2257069B3
- Authority
- FR
- France
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1808—Removable covers
- F27D1/1816—Removable covers specially adapted for arc furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Building Environments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT67009/74A IT1014041B (it) | 1974-01-03 | 1974-01-03 | Volta a calotta sferica costitui ta da mattoni refrattari tronco piramidali di formato unico o mo dulare per forni industriali |
| IT7033074A IT1046938B (it) | 1974-11-13 | 1974-11-13 | Volta a talotta sprrica gastituita da matto i refrattari tronco, piramidali di formato unico o modulare per forni industriali |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2257069A1 FR2257069A1 (ja) | 1975-08-01 |
| FR2257069B3 true FR2257069B3 (ja) | 1977-09-23 |
Family
ID=26329685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7443489A Expired FR2257069B3 (ja) | 1974-01-03 | 1974-12-31 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2461412A1 (ja) |
| FR (1) | FR2257069B3 (ja) |
| GB (1) | GB1491351A (ja) |
| NL (1) | NL7417002A (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT355327B (de) * | 1977-05-06 | 1980-02-25 | Veitscher Magnesitwerke Ag | Umrahmung fuer deckeloeffnungen von elektrolicht- bogenoefen |
| DE19922243C1 (de) * | 1999-05-14 | 2001-02-01 | Veitsch Radex Gmbh Wien | Elektro-Ofen-Deckel |
-
1974
- 1974-12-24 DE DE19742461412 patent/DE2461412A1/de not_active Ceased
- 1974-12-30 NL NL7417002A patent/NL7417002A/xx not_active Application Discontinuation
- 1974-12-31 FR FR7443489A patent/FR2257069B3/fr not_active Expired
-
1975
- 1975-01-03 GB GB23675A patent/GB1491351A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7417002A (nl) | 1975-07-07 |
| GB1491351A (en) | 1977-11-09 |
| DE2461412A1 (de) | 1975-07-17 |
| FR2257069A1 (ja) | 1975-08-01 |