NL7210926A - - Google Patents
Info
- Publication number
- NL7210926A NL7210926A NL7210926A NL7210926A NL7210926A NL 7210926 A NL7210926 A NL 7210926A NL 7210926 A NL7210926 A NL 7210926A NL 7210926 A NL7210926 A NL 7210926A NL 7210926 A NL7210926 A NL 7210926A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/08—Shaft or like vertical or substantially vertical furnaces heated otherwise than by solid fuel mixed with charge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
- C21B13/002—Reduction of iron ores by passing through a heated column of carbon
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7210926A NL173996C (nl) | 1972-08-10 | 1972-08-10 | Met gas of olie gestookte schachtoven. |
| DE19732337304 DE2337304A1 (de) | 1972-08-10 | 1973-07-23 | Gas- oder oelbefeuerter kupolofen |
| GB3803373A GB1428220A (en) | 1972-08-10 | 1973-08-10 | Cupola furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7210926A NL173996C (nl) | 1972-08-10 | 1972-08-10 | Met gas of olie gestookte schachtoven. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7210926A true NL7210926A (en:Method) | 1974-02-12 |
| NL173996B NL173996B (nl) | 1983-11-01 |
| NL173996C NL173996C (nl) | 1984-04-02 |
Family
ID=19816685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7210926A NL173996C (nl) | 1972-08-10 | 1972-08-10 | Met gas of olie gestookte schachtoven. |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2337304A1 (en:Method) |
| GB (1) | GB1428220A (en:Method) |
| NL (1) | NL173996C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2253686B (en) * | 1991-03-09 | 1994-12-21 | Stein Atkinson Strody Ltd | Metal processing or recovery |
| CN105841481A (zh) * | 2016-03-23 | 2016-08-10 | 天津派瑞环境工程技术有限公司 | 一种节能环保多功能燃气炉 |
-
1972
- 1972-08-10 NL NL7210926A patent/NL173996C/xx not_active IP Right Cessation
-
1973
- 1973-07-23 DE DE19732337304 patent/DE2337304A1/de not_active Withdrawn
- 1973-08-10 GB GB3803373A patent/GB1428220A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1428220A (en) | 1976-03-17 |
| DE2337304A1 (de) | 1974-02-21 |
| NL173996B (nl) | 1983-11-01 |
| NL173996C (nl) | 1984-04-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| CNR | Transfer of rights (patent application after its laying openfor public ins pection) |
Free format text: TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TEN BEHOEVE |
|
| CNR | Transfer of rights (patent application after its laying openfor public ins pection) |
Free format text: TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK. NEDER- |
|
| V1 | Lapsed because of non-payment of the annual fee |