FR2447239A1 - Procede et appareil pour le dressage de tubes - Google Patents

Procede et appareil pour le dressage de tubes

Info

Publication number
FR2447239A1
FR2447239A1 FR8001386A FR8001386A FR2447239A1 FR 2447239 A1 FR2447239 A1 FR 2447239A1 FR 8001386 A FR8001386 A FR 8001386A FR 8001386 A FR8001386 A FR 8001386A FR 2447239 A1 FR2447239 A1 FR 2447239A1
Authority
FR
France
Prior art keywords
tubes
dressing
concave4
cylinder5
convex
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.)
Granted
Application number
FR8001386A
Other languages
English (en)
Other versions
FR2447239B1 (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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of FR2447239A1 publication Critical patent/FR2447239A1/fr
Application granted granted Critical
Publication of FR2447239B1 publication Critical patent/FR2447239B1/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
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B21D3/04—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes skew to the path of the work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE ET UN APPAREIL POUR LE DRESSAGE DE TUBES. CET APPAREIL COMPORTE TROIS PAIRES DE CYLINDRES DONT LES PAIRES EXTERIEURES PRESENTENT DES CYLINDRES CONCAVES2, 3 ET LA PAIRE CENTRALE PRESENTE UN CYLINDRE CONVEXE5 ET UN CYLINDRE CONCAVE4. LA LONGUEUR DE TABLE DU CYLINDRE CONVEXE5 ET DU CYLINDRE CONCAVE4 DE LA PAIRE CENTRALE EST PLUS GRANDE QUE CELLE DES DEUX PAIRES EXTERIEURES DE CYLINDRES2, 3 ET QUE LE CYLINDRE CONVEXE5 EST DISPOSE AU-DESSUS DU CYLINDRE CONCAVE4. L'INVENTION S'APPLIQUE AU DRESSAGE DE TUBES.
FR8001386A 1979-01-23 1980-01-23 Procede et appareil pour le dressage de tubes Granted FR2447239A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2902827A DE2902827C2 (de) 1979-01-23 1979-01-23 Schrägwalzenrichtmaschine für Rohre

Publications (2)

Publication Number Publication Date
FR2447239A1 true FR2447239A1 (fr) 1980-08-22
FR2447239B1 FR2447239B1 (fr) 1983-12-09

Family

ID=6061377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001386A Granted FR2447239A1 (fr) 1979-01-23 1980-01-23 Procede et appareil pour le dressage de tubes

Country Status (5)

Country Link
JP (1) JPS55100824A (fr)
DE (1) DE2902827C2 (fr)
FR (1) FR2447239A1 (fr)
GB (1) GB2040763B (fr)
IT (1) IT1130892B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744624U (fr) * 1980-08-21 1982-03-11
US4763504A (en) * 1981-07-06 1988-08-16 Nilsson Einar W Straightening machines and methods
DE3441537A1 (de) * 1984-11-14 1986-05-15 Th. Kieserling & Albrecht Gmbh & Co, 5650 Solingen Schraegrollenrichtmaschine mit mehr als 2 richtrollen
CN104971966B (zh) * 2014-04-05 2017-01-25 薄占川 组合曲线多斜辊钢管矫直机
CN112718928A (zh) * 2020-12-10 2021-04-30 中国重型机械研究院股份公司 一种圆材矫直装置及其矫直方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR741308A (fr) *
FR850276A (fr) * 1939-12-12
FR2071404A5 (en) * 1969-12-29 1971-09-17 Brochut Max Discharging internal tension - from round bars
FR2258912A1 (fr) * 1974-01-25 1975-08-22 Vallourec
FR2374103A1 (fr) * 1976-12-14 1978-07-13 Semenenko Jury Cylindres de machine a cylindres obliques pour le dressage de pieces metalliques cylindriques

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB598757A (en) * 1945-09-08 1948-02-25 Bigwood Joshua & Son Ltd Improvements in machines for straightening tubes or rods

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR741308A (fr) *
FR850276A (fr) * 1939-12-12
FR2071404A5 (en) * 1969-12-29 1971-09-17 Brochut Max Discharging internal tension - from round bars
FR2258912A1 (fr) * 1974-01-25 1975-08-22 Vallourec
FR2374103A1 (fr) * 1976-12-14 1978-07-13 Semenenko Jury Cylindres de machine a cylindres obliques pour le dressage de pieces metalliques cylindriques

Also Published As

Publication number Publication date
DE2902827A1 (de) 1980-07-24
JPS55100824A (en) 1980-08-01
GB2040763B (en) 1983-03-09
IT1130892B (it) 1986-06-18
DE2902827C2 (de) 1984-05-10
FR2447239B1 (fr) 1983-12-09
IT8019383A0 (it) 1980-01-23
GB2040763A (en) 1980-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse