FR2485409B1 - - Google Patents

Info

Publication number
FR2485409B1
FR2485409B1 FR8014362A FR8014362A FR2485409B1 FR 2485409 B1 FR2485409 B1 FR 2485409B1 FR 8014362 A FR8014362 A FR 8014362A FR 8014362 A FR8014362 A FR 8014362A FR 2485409 B1 FR2485409 B1 FR 2485409B1
Authority
FR
France
Prior art keywords
mandrel
shank
blanks
diameter
mandrel shank
Prior art date
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
FR8014362A
Other languages
English (en)
French (fr)
Other versions
FR2485409A1 (fr
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.)
Filing date
Publication date
Application filed by Vallourec SA filed Critical Vallourec SA
Priority to FR8014362A priority Critical patent/FR2485409A1/fr
Priority to AT81420095T priority patent/ATE5952T1/de
Priority to EP81420095A priority patent/EP0043335B1/fr
Priority to DE8181420095T priority patent/DE3162026D1/de
Publication of FR2485409A1 publication Critical patent/FR2485409A1/fr
Application granted granted Critical
Publication of FR2485409B1 publication Critical patent/FR2485409B1/fr
Granted legal-status Critical Current

Links

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
AT81420095T ATE5952T1 (de) 1980-06-27 1981-06-26 Vorrichtung zum fortlaufenden warmherstellen metallischer rohrbogen.
EP81420095A EP0043335B1 (fr) 1980-06-27 1981-06-26 Dispositif de fabrication à chaud en continu d'éléments métalliques tubulaires courbes
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 FR2485409A1 (fr) 1981-12-31
FR2485409B1 true FR2485409B1 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)
AT (1) ATE5952T1 (enrdf_load_stackoverflow)
DE (1) DE3162026D1 (enrdf_load_stackoverflow)
FR (1) FR2485409A1 (enrdf_load_stackoverflow)

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

Family Cites Families (5)

* 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
DE1056905B (de) * 1957-10-23 1959-05-06 Kocks Gmbh Friedrich Verfahren zum Biegen von Rohren

Also Published As

Publication number Publication date
DE3162026D1 (en) 1984-03-01
ATE5952T1 (de) 1984-02-15
EP0043335B1 (fr) 1984-01-25
FR2485409A1 (fr) 1981-12-31
EP0043335A1 (fr) 1982-01-06

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Legal Events

Date Code Title Description
ST Notification of lapse