FR2274694B1 - - Google Patents

Info

Publication number: FR2274694B1
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

Application number

FR7518252A

Other languages

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Kinglor-Metor SpA

Original Assignee

Kinglor-Metor SpA

Priority date (The priority date 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 date listed.)

1974-06-11

Filing date

1975-06-11

Publication date

1979-10-19

1974-06-11 Priority claimed from IT8336574A external-priority patent/IT1018454B/en

1975-04-24 Priority claimed from IT8336175A external-priority patent/IT1051122B/en

1975-06-11 Application filed by Kinglor-Metor SpA filed Critical Kinglor-Metor SpA

1976-01-09 Publication of FR2274694A1 publication Critical patent/FR2274694A1/en

1979-10-19 Application granted granted Critical

1979-10-19 Publication of FR2274694B1 publication Critical patent/FR2274694B1/fr

Status Granted legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacture And Refinement Of Metals (AREA)
Manufacture Of Iron (AREA)

FR7518252A 1974-06-11 1975-06-11 CARBOTHERMAL PROCESS OF THE EXTERNAL HEATING TYPE FOR THE PREPARATION OF THE IRON SPONGE Granted FR2274694A1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT8336574A IT1018454B (en)	1974-06-11	1974-06-11	IMPROVEMENTS TO THE CARBOTHERMAL PROCESS OF THE TYPE WITH EXTERNAL HEATING FOR THE OBTAINMENT OF IRON SPONGE AND CARBOTHERMAL PROCESS THIS PERFECTED
IT8336175A IT1051122B (en)	1975-04-24	1975-04-24	Thermal redn of iron ore with carbon - in externally-heated retort for prodn of sponge iron on an industrial scale

Publications (2)

Publication Number	Publication Date
FR2274694A1 FR2274694A1 (en)	1976-01-09
FR2274694B1 true FR2274694B1 (en)	1979-10-19

Family

ID=26330067

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7518252A Granted FR2274694A1 (en)	1974-06-11	1975-06-11	CARBOTHERMAL PROCESS OF THE EXTERNAL HEATING TYPE FOR THE PREPARATION OF THE IRON SPONGE

Country Status (7)

Country	Link
AT (1)	AT354488B (en)
AU (1)	AU499913B2 (en)
BR (1)	BR7503659A (en)
DE (1)	DE2524120A1 (en)
FR (1)	FR2274694A1 (en)
GB (1)	GB1510992A (en)
SE (1)	SE7505759L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4082543A (en) *	1977-02-16	1978-04-04	Midrex Corporation	Method for reducing particulate iron oxide to metallic iron with solid reductant
IT1097724B (en) *	1977-11-22	1985-08-31	Kinglor Metor Spa	IMPROVEMENTS IN THE CARBOTHERMAL PROCESS FOR OBTAINING IRON SPONGE AND CARBOTHERMAL PROCESS SO PERFECTED
AT367798B (en) *	1980-08-08	1982-07-26	Voest Alpine Ag	METHOD FOR DIRECTLY REDUCING IRON CARRIERS AND DEVICE FOR IMPLEMENTING THE METHOD
CN112501427B (en) *	2020-11-30	2021-11-23	中南大学	Molybdenum concentrate oxidation volatilization purification device

1975
- 1975-05-20 GB GB153075A patent/GB1510992A/en not_active Expired
- 1975-05-21 SE SE7505759A patent/SE7505759L/en not_active Application Discontinuation
- 1975-05-28 AT AT409775A patent/AT354488B/en not_active IP Right Cessation
- 1975-05-30 DE DE19752524120 patent/DE2524120A1/en not_active Withdrawn
- 1975-06-05 AU AU81883/75A patent/AU499913B2/en not_active Expired
- 1975-06-10 BR BR7504693D patent/BR7503659A/en unknown
- 1975-06-11 FR FR7518252A patent/FR2274694A1/en active Granted

Also Published As

Publication number	Publication date
BR7503659A (en)	1976-06-29
AU499913B2 (en)	1979-05-03
AU8188375A (en)	1976-12-09
DE2524120A1 (en)	1976-01-02
AT354488B (en)	1979-01-10
SE7505759L (en)	1975-12-12
ATA409775A (en)	1979-06-15
FR2274694A1 (en)	1976-01-09
GB1510992A (en)	1978-05-17

Publication	Publication Date	Title
FR2288056B1 (en)	1980-12-26
FI752902A (en)	1976-04-19
DK134102C (en)	1977-02-14
FR2256978A1 (en)	1975-08-01
FR2264416A1 (en)	1975-10-10
FR2262870A1 (en)	1975-09-26
FR2259729B1 (en)	1980-07-25
FR2274694B1 (en)	1979-10-19
FR2282970B1 (en)	1976-12-31
FR2262555B1 (en)	1978-06-23
FR2258170A1 (en)	1975-08-18
FR2287685B1 (en)	1977-03-18
FR2280027B2 (en)	1978-05-19
CH1326774A4 (en)	1976-02-13
BG22331A1 (en)	1977-02-20
BG20662A1 (en)	1975-12-20
BG22004A1 (en)	1976-11-25
DD116814A1 (en)	1975-12-12
CH604855A5 (en)	1978-09-15
CH1451074A4 (en)	1976-10-29
CH1377974A4 (en)	1976-10-29
CH1340175A4 (en)	1977-06-30
BG20459A1 (en)	1975-12-05
BG20446A1 (en)	1975-12-20
BG21563A1 (en)	1976-07-20

Legal Events

Date	Code	Title	Description
1981-01-23	TP	Transmission of property
1982-04-23	ST	Notification of lapse