FR2485409A1 - Dispositif de fabrication a chaud en continu de courbes metalliques tubulaires - Google Patents

Dispositif de fabrication a chaud en continu de courbes metalliques tubulaires Download PDF

Info

Publication number: FR2485409A1
Authority: FR; France
Prior art keywords: mandrel; blanks; diameter; rod; ring
Prior art date: 1980-06-27
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

FR8014362A

Other languages

English (en)

French (fr)

Other versions

FR2485409B1 (2

Inventor

Michel Leblanc

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.)

Vallourec SA

Original Assignee

Vallourec SA

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.)

1980-06-27

Filing date

1980-06-27

Publication date

1981-12-31

1980-06-27 Application filed by Vallourec SA filed Critical Vallourec SA

1980-06-27 Priority to FR8014362A priority Critical patent/FR2485409A1/fr

1981-06-26 Priority to EP81420095A priority patent/EP0043335B1/fr

1981-06-26 Priority to AT81420095T priority patent/ATE5952T1/de

1981-06-26 Priority to DE8181420095T priority patent/DE3162026D1/de

1981-12-31 Publication of FR2485409A1 publication Critical patent/FR2485409A1/fr

1982-08-20 Application granted granted Critical

1982-08-20 Publication of FR2485409B1 publication Critical patent/FR2485409B1/fr

Status Granted legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 4
229910052751 metal Inorganic materials 0.000 title claims abstract 3
239000002184 metal Substances 0.000 title claims 2
238000010438 heat treatment Methods 0.000 claims abstract description 11
238000011144 upstream manufacturing Methods 0.000 claims abstract description 6
229910000831 Steel Inorganic materials 0.000 claims abstract description 3
239000010959 steel Substances 0.000 claims abstract description 3
238000007493 shaping process Methods 0.000 abstract 1
238000005452 bending Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
230000001939 inductive effect Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/12—Bending tubes using mandrels or the like by pushing over a curved mandrel; by pushing through a curved die

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Forging (AREA)
Bending Of Plates, Rods, And Pipes (AREA)

FR8014362A 1980-06-27 1980-06-27 Dispositif de fabrication a chaud en continu de courbes metalliques tubulaires Granted FR2485409A1 (fr)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
FR8014362A FR2485409A1 (fr)	1980-06-27	1980-06-27	Dispositif de fabrication a chaud en continu de courbes metalliques tubulaires
EP81420095A EP0043335B1 (fr)	1980-06-27	1981-06-26	Dispositif de fabrication à chaud en continu d'éléments métalliques tubulaires courbes
AT81420095T ATE5952T1 (de)	1980-06-27	1981-06-26	Vorrichtung zum fortlaufenden warmherstellen metallischer rohrbogen.
DE8181420095T DE3162026D1 (en)	1980-06-27	1981-06-26	Apparatus for the continuous hot-forming of metallic pipe bends

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8014362A FR2485409A1 (fr)	1980-06-27	1980-06-27	Dispositif de fabrication a chaud en continu de courbes metalliques tubulaires

Publications (2)

Publication Number	Publication Date
FR2485409A1 true FR2485409A1 (fr)	1981-12-31
FR2485409B1 FR2485409B1 (2)	1982-08-20

Family

ID=9243604

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8014362A Granted FR2485409A1 (fr)	1980-06-27	1980-06-27	Dispositif de fabrication a chaud en continu de courbes metalliques tubulaires

Country Status (4)

Country	Link
EP (1)	EP0043335B1 (2)
AT (1)	ATE5952T1 (2)
DE (1)	DE3162026D1 (2)
FR (1)	FR2485409A1 (2)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN116586527B (zh) *	2023-07-18	2023-09-05	盐山亚汇管业有限公司	一种便于上料的弯头推制装置及工艺

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1056905B (de) *	1957-10-23	1959-05-06	Kocks Gmbh Friedrich	Verfahren zum Biegen von Rohren

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE583550C (de) *	1931-03-28	1933-09-05	Rohrbogenwerk G M B H	Verfahren zur Herstellung von Rohrbogen
DE573890C (de) *	1931-04-25	1933-10-10	Rohrbogenwerk G M B H	Verfahren zur Herstellung von Rohrbogen o. dgl.
DE658010C (de) *	1935-01-29	1938-03-19	Mannesmann Ag	Verfahren zum Biegen von Rohrbogen o. dgl. mit geraden Schenkeln
US2105075A (en) *	1935-10-08	1938-01-11	Tube Turns Inc	Method and apparatus for making pipe bends

1980
- 1980-06-27 FR FR8014362A patent/FR2485409A1/fr active Granted
1981
- 1981-06-26 EP EP81420095A patent/EP0043335B1/fr not_active Expired
- 1981-06-26 AT AT81420095T patent/ATE5952T1/de not_active IP Right Cessation
- 1981-06-26 DE DE8181420095T patent/DE3162026D1/de not_active Expired

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1056905B (de) *	1957-10-23	1959-05-06	Kocks Gmbh Friedrich	Verfahren zum Biegen von Rohren

Also Published As

Publication number	Publication date
EP0043335B1 (fr)	1984-01-25
ATE5952T1 (de)	1984-02-15
DE3162026D1 (en)	1984-03-01
FR2485409B1 (2)	1982-08-20
EP0043335A1 (fr)	1982-01-06

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Legal Events

Date	Code	Title	Description
1986-04-25	ST	Notification of lapse