EP0162710A3 - Method for producing grain-oriented silicon steel sheets - Google Patents

Method for producing grain-oriented silicon steel sheets Download PDF

Info

Publication number: EP0162710A3
Authority: EP; European Patent Office
Prior art keywords: steel sheets; silicon steel; oriented silicon; producing grain; grain
Prior art date: 1984-05-24
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.): Granted

Application number

EP85303595A

Other versions

EP0162710A2 (en

EP0162710B1 (en

Inventor

Yoshiaki C/O Research Laboratories Iida

Katsuo C/O Research Laboratories Iwamoto

Isao C/O Research Laboratories Matoba

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.)

JFE Steel Corp

Original Assignee

Kawasaki Steel Corp

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.)

1984-05-24

Filing date

1985-05-22

Publication date

1987-04-08

1984-05-24 Priority claimed from JP10369684A external-priority patent/JPS60248816A/en

1984-06-05 Priority claimed from JP11379084A external-priority patent/JPS60258412A/en

1984-12-05 Priority claimed from JP25580784A external-priority patent/JPS61136627A/en

1985-03-08 Priority claimed from JP4494085A external-priority patent/JPS61204314A/en

1985-05-22 Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp

1985-11-27 Publication of EP0162710A2 publication Critical patent/EP0162710A2/en

1987-04-08 Publication of EP0162710A3 publication Critical patent/EP0162710A3/en

1989-08-09 Application granted granted Critical

1989-08-09 Publication of EP0162710B1 publication Critical patent/EP0162710B1/en

Status Expired legal-status Critical Current

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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Manufacturing & Machinery (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing Of Steel Electrode Plates (AREA)

EP19850303595 1984-05-24 1985-05-22 Method for producing grain-oriented silicon steel sheets Expired EP0162710B1 (en)

Applications Claiming Priority (8)

Application Number	Priority Date	Filing Date	Title
JP103696/84		1984-05-24
JP10369684A JPS60248816A (en)	1984-05-24	1984-05-24	Production of grain-oriented silicon steel sheet
JP113790/84		1984-06-05
JP11379084A JPS60258412A (en)	1984-06-05	1984-06-05	Production of grain-oriented silicon steel sheet
JP25580784A JPS61136627A (en)	1984-12-05	1984-12-05	Manufacture of grain oriented silicon steel sheet superior in magnetic characteristic
JP255807/84		1984-12-05
JP4494085A JPS61204314A (en)	1985-03-08	1985-03-08	Production of grain oriented silicon steel sheet having excellent magnetic characteristic
JP44940/85		1985-03-08

Publications (3)

Publication Number	Publication Date
EP0162710A2 EP0162710A2 (en)	1985-11-27
EP0162710A3 true EP0162710A3 (en)	1987-04-08
EP0162710B1 EP0162710B1 (en)	1989-08-09

Family

ID=27461615

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19850303595 Expired EP0162710B1 (en)	1984-05-24	1985-05-22	Method for producing grain-oriented silicon steel sheets

Country Status (2)

Country	Link
EP (1)	EP0162710B1 (en)
DE (1)	DE3572197D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8724387D0 (en) *	1987-10-17	1987-11-18	British Steel Corp	Processing electrical steels

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3333992A (en) *	1964-06-29	1967-08-01	Armco Steel Corp	Production of oriented silicon-iron using grain growth inhibitor during primary recrystallization heat treatment
DE2351141A1 (en) *	1972-10-13	1974-04-25	Kawasaki Steel Co	METHOD FOR MANUFACTURING GRAIN ORIENTED ELECTRICAL SHEETS
GB1480514A (en) *	1973-10-31	1977-07-20	Kawasaki Steel Co	Production of grain-orientated steel sheets
US4042425A (en) *	1971-10-11	1977-08-16	Kawasaki Steel Corporation	Process of pretreating cold-rolled steel sheet for annealing
US4171994A (en) *	1975-02-13	1979-10-23	Allegheny Ludlum Industries, Inc.	Use of nitrogen-bearing base coatings in the manufacture of high permeability silicon steel
EP0047129B1 (en) *	1980-08-27	1985-04-24	Kawasaki Steel Corporation	Grain-oriented silicon steel sheets having a very low iron loss and methods for producing the same

1985
- 1985-05-22 DE DE8585303595T patent/DE3572197D1/en not_active Expired
- 1985-05-22 EP EP19850303595 patent/EP0162710B1/en not_active Expired

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3333992A (en) *	1964-06-29	1967-08-01	Armco Steel Corp	Production of oriented silicon-iron using grain growth inhibitor during primary recrystallization heat treatment
US4042425A (en) *	1971-10-11	1977-08-16	Kawasaki Steel Corporation	Process of pretreating cold-rolled steel sheet for annealing
DE2351141A1 (en) *	1972-10-13	1974-04-25	Kawasaki Steel Co	METHOD FOR MANUFACTURING GRAIN ORIENTED ELECTRICAL SHEETS
GB1480514A (en) *	1973-10-31	1977-07-20	Kawasaki Steel Co	Production of grain-orientated steel sheets
US4171994A (en) *	1975-02-13	1979-10-23	Allegheny Ludlum Industries, Inc.	Use of nitrogen-bearing base coatings in the manufacture of high permeability silicon steel
EP0047129B1 (en) *	1980-08-27	1985-04-24	Kawasaki Steel Corporation	Grain-oriented silicon steel sheets having a very low iron loss and methods for producing the same

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 85, no. 22, 29th November 1976, abstract no. 164766k, Columbus, Ohio, US; & JP - A - 51 78733 (KAWASAKI); & JP - B - 56 38652 *
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 209 (C-186)[1354], 14th September 1983; & JP - A - 58 107 417 (KAWASAKI) 21-06-1983 *
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 273 (C-198)[1418], 6th December 1983; & JP - A - 58 151 423 (KAWASAKI) 08-09-1983 *
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 118 (C-226)[1555], 31st May 1984; & JP - A - 59 31823 (KAWASAKI) 21-02-1984 *

Also Published As

Publication number	Publication date
EP0162710A2 (en)	1985-11-27
EP0162710B1 (en)	1989-08-09
DE3572197D1 (en)	1989-09-14

Publication	Publication Date	Title
HUT39627A (en)	1986-10-29	Method for producing improved oxidation catalyzer and primary and secondary amines
DE3170133D1 (en)	1985-05-30	Grain-oriented silicon steel sheets having a very low iron loss and methods for producing the same
EP0260927A3 (en)	1988-09-21	Method of producing extra-low iron loss grain oriented silicon steel sheets
DE3271248D1 (en)	1986-06-26	Process for producing aluminum-bearing grain-oriented silicon steel strip
GB8525352D0 (en)	1985-11-20	Grain-oriented electrical steel sheet
EP0150909A3 (en)	1987-03-25	Method of manufacturing grain-oriented silicon steel sheets
EP0147659A3 (en)	1987-04-22	Method for manufacturing grain-oriented silicon steel sheet
GB8526276D0 (en)	1985-11-27	Grain-oriented electrical steel sheet
EP0232537A3 (en)	1989-02-15	Process for producing grain-oriented electrical steel sheet having improved magnetic properties
GB8410267D0 (en)	1984-05-31	Preparing zn-ni-alloy-plated steel sheets
DE3070442D1 (en)	1985-05-15	Process for producing grain-oriented silicon steel strip
DE3277854D1 (en)	1988-01-28	Method of producing grain-oriented silicon steel sheets having excellent magnetic properties
GB2101024B (en)	1985-08-14	Process for producing grain-oriented silicon steel sheet or strip
DE3460607D1 (en)	1986-10-09	Process for producing a grain-oriented electrical steel sheet
EP0206108A3 (en)	1988-12-28	Process for producing electrical steel sheet
DE3571464D1 (en)	1989-08-17	Grain-oriented silicon steel sheet and process for producing the same
GB2187475B (en)	1989-11-08	Process for producing hot-rolled steel sheet having high r value
GB2046787B (en)	1983-02-02	Process for producing cube-on-edge oriented silicon steel
DE3365837D1 (en)	1986-10-09	Method of producing tin-free steel sheets
RO82323B (en)	1984-07-30	Process for producing silicon steel sheet having a cube-on-edge orientation
HU182135B (en)	1983-12-28	Method for producing textured electromagnetic silicon steel
GB2173727B (en)	1988-02-17	Method of manufacturing of steel sheet for easy-open can ends
DE3572197D1 (en)	1989-09-14	Method for producing grain-oriented silicon steel sheets
AU4966585A (en)	1986-05-15	Method for producing prestressed steel n
HUT40586A (en)	1987-01-28	Method for producing flux for steel casting

Legal Events

Date	Code	Title	Description
1985-09-27	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1985-11-27	AK	Designated contracting states	Designated state(s): BE DE FR GB IT SE
1987-02-18	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-04-08	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE DE FR GB IT SE
1987-06-24	17P	Request for examination filed	Effective date: 19870427
1988-07-06	17Q	First examination report despatched	Effective date: 19880519
1989-06-24	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1989-08-09	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE DE FR GB IT SE
1989-08-18	ITF	It: translation for a ep patent filed
1989-09-14	REF	Corresponds to:	Ref document number: 3572197 Country of ref document: DE Date of ref document: 19890914
1989-10-20	ET	Fr: translation filed
1990-06-05	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1990-06-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1990-07-25	26N	No opposition filed
1991-05-31	ITTA	It: last paid annual fee
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 85303595.4
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