EP0169564A3 - Verfahren und Vorrichtung zum Biegen länglicher Werkstücke, insbesondere Rohre - Google Patents

Verfahren und Vorrichtung zum Biegen länglicher Werkstücke, insbesondere Rohre Download PDF

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Publication number
EP0169564A3
EP0169564A3 EP85109332A EP85109332A EP0169564A3 EP 0169564 A3 EP0169564 A3 EP 0169564A3 EP 85109332 A EP85109332 A EP 85109332A EP 85109332 A EP85109332 A EP 85109332A EP 0169564 A3 EP0169564 A3 EP 0169564A3
Authority
EP
European Patent Office
Prior art keywords
workpiece
zone
cross
sectional
primarily
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.)
Withdrawn
Application number
EP85109332A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0169564A2 (de
Inventor
Jelke Ringersma
Johannes Marinus Hofstede
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.)
Cojafex BV
Original Assignee
Cojafex BV
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 Cojafex BV filed Critical Cojafex BV
Publication of EP0169564A2 publication Critical patent/EP0169564A2/de
Publication of EP0169564A3 publication Critical patent/EP0169564A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/02Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
    • B21D7/025Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member and pulling or pushing the ends of the work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP85109332A 1984-07-26 1985-07-25 Verfahren und Vorrichtung zum Biegen länglicher Werkstücke, insbesondere Rohre Withdrawn EP0169564A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3427639 1984-07-26
DE19843427639 DE3427639A1 (de) 1984-07-26 1984-07-26 Verfahren und vorrichtung zum biegen laenglicher werkstuecke, insbesondere rohre

Publications (2)

Publication Number Publication Date
EP0169564A2 EP0169564A2 (de) 1986-01-29
EP0169564A3 true EP0169564A3 (de) 1987-05-13

Family

ID=6241675

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85109332A Withdrawn EP0169564A3 (de) 1984-07-26 1985-07-25 Verfahren und Vorrichtung zum Biegen länglicher Werkstücke, insbesondere Rohre

Country Status (3)

Country Link
US (1) US4596128A (show.php)
EP (1) EP0169564A3 (show.php)
DE (1) DE3427639A1 (show.php)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5222384A (en) * 1992-03-24 1993-06-29 Evans Roland J Reciprocal conduit bender
US6038902A (en) * 1998-01-23 2000-03-21 The Babcock & Wilcox Company Intrados induction heating for tight radius rotary draw bend
JP3400767B2 (ja) * 2000-02-28 2003-04-28 徹 佐藤 鋼管曲げ加工装置及び方法
US6769282B2 (en) 2002-05-17 2004-08-03 Henden Industries, Inc. One-step offset bender
DE102005025337A1 (de) * 2005-01-21 2006-07-27 Alutec-Belte Ag Verfahren zum Herstellen eines rotationssymmetrischen Körpers sowie Erwärmungsvorrichtung hierfür
US8863565B2 (en) * 2005-03-03 2014-10-21 Nippon Steel & Sumitomo Metal Corporation Three-dimensionally bending machine, bending-equipment line, and bent product
US8919171B2 (en) * 2005-03-03 2014-12-30 Nippon Steel & Sumitomo Metal Corporation Method for three-dimensionally bending workpiece and bent product
US20090056223A1 (en) * 2007-09-04 2009-03-05 Patel Sunilkant A Quench ring rim and methods for fabricating
ITMI20072372A1 (it) * 2007-12-19 2009-06-20 Ibf S P A Procedimento per la piegatura di manufatti tubolari con rapporto >3 tra il raggio di piegatura e il diametro estwerno del tubo finito
CN101903198A (zh) * 2008-11-12 2010-12-01 住友金属工业株式会社 臂材及其制造方法
DE102009060743B4 (de) * 2009-12-30 2011-11-24 Nova Bausysteme Gmbh Verfahren und Vorrichtung zum Herstellen von Wendeln aus Drähten
AU2011204165B2 (en) * 2010-01-06 2013-10-24 Nippon Steel Corporation Induction heating coil, and an apparatus and method for manufacturing a worked member
WO2011083816A1 (ja) * 2010-01-06 2011-07-14 住友金属工業株式会社 屈曲部材の製造方法および製造装置
US8511123B2 (en) * 2010-05-10 2013-08-20 Crc-Evans Pipeline International, Inc. Wedge driven pipe bending machine
DE102010020360B4 (de) * 2010-05-13 2016-06-16 AWS Schäfer Technologie GmbH Biegemaschine für linke und rechte Biegungen
MX2017004408A (es) * 2014-10-07 2017-06-19 Nippon Steel & Sumitomo Metal Corp Aparato de enfriamiento y metodo de enfriamiento para material de acero.
US10427351B2 (en) 2016-02-19 2019-10-01 General Electric Company Apparatus for induction heating and bending of thermoplastic composite tubes and a method for using same
US11414723B2 (en) * 2018-05-21 2022-08-16 Welspun Corp Limited Systems and methods for producing hot induction pipe bends with homogeneous metallurgical and mechanical properties
CN109909335B (zh) * 2019-03-15 2024-01-23 株洲汉和工业设备有限公司 一种立式数控感应加热弯管机
CN116786650B (zh) * 2023-08-29 2023-10-24 河北恒通管件集团有限公司 一种煨制弯管装置及方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2112019A1 (de) * 1970-03-12 1971-09-30 Cojafex Vorrichtung zum Biegen von laenglichen Gegenstaenden
FR2128665A1 (show.php) * 1971-03-05 1972-10-20 Cojafex
FR2181642A1 (show.php) * 1972-04-28 1973-12-07 Babcock & Wilcox Ag
DE2738394A1 (de) * 1976-09-03 1978-03-16 Cojafex Verfahren und vorrichtung zum biegen von langgedehnten gegenstaenden
FR2392742A1 (fr) * 1977-05-31 1978-12-29 Prvni Brnenska Strojirna Appareil pour courber des tuyaux, notamment de gros tuyaux en acier a paroi mince
US4177661A (en) * 1975-12-05 1979-12-11 Mannesmann Aktiengesellschaft Method and apparatus for bending large pipes
FR2497696A2 (fr) * 1981-01-13 1982-07-16 Stein Industrie Procede et dispositif de cintrage d'un element metallique allonge

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD92889A (show.php) *
US783716A (en) * 1904-05-16 1905-02-28 Whitlock Coil Pipe Company Apparatus for bending pipe.
US1891338A (en) * 1931-02-09 1932-12-20 Lester W Snell Method of and means for bending tubes
US2480774A (en) * 1946-06-28 1949-08-30 Kellogg M W Co Method of bending thin walled thermoplastic bodies, including tubes
US2461323A (en) * 1946-07-27 1949-02-08 Ladish Co Induction heater for use with pipe bending apparatus
GB778842A (en) * 1951-08-23 1957-07-10 Green & Son Ltd Improvements in or connected with tube bending
NL279654A (show.php) * 1961-07-17
US3368377A (en) * 1965-09-17 1968-02-13 Hirayama Atsuo Methods of bending electrically conductive long materials such as bar, rod, and pipe, and means therefor
DE1935100C3 (de) * 1969-07-10 1980-07-31 Centralnyj Nautschno-Issledovatelskij Institut Technologii Maschinostroenija, Moskau Verfahren zum Rohrbiegen und Anlage zur Durchführung des Verfahrens
DE2822618C2 (de) * 1978-05-24 1985-12-12 Adolf 7000 Stuttgart Stambera Verpackungsmaschine, insbesondere Sammelpackmaschine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2112019A1 (de) * 1970-03-12 1971-09-30 Cojafex Vorrichtung zum Biegen von laenglichen Gegenstaenden
FR2128665A1 (show.php) * 1971-03-05 1972-10-20 Cojafex
FR2181642A1 (show.php) * 1972-04-28 1973-12-07 Babcock & Wilcox Ag
US4177661A (en) * 1975-12-05 1979-12-11 Mannesmann Aktiengesellschaft Method and apparatus for bending large pipes
DE2738394A1 (de) * 1976-09-03 1978-03-16 Cojafex Verfahren und vorrichtung zum biegen von langgedehnten gegenstaenden
FR2392742A1 (fr) * 1977-05-31 1978-12-29 Prvni Brnenska Strojirna Appareil pour courber des tuyaux, notamment de gros tuyaux en acier a paroi mince
FR2497696A2 (fr) * 1981-01-13 1982-07-16 Stein Industrie Procede et dispositif de cintrage d'un element metallique allonge

Also Published As

Publication number Publication date
US4596128A (en) 1986-06-24
DE3427639A1 (de) 1986-02-06
DE3427639C2 (show.php) 1988-04-14
EP0169564A2 (de) 1986-01-29

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Inventor name: HOFSTEDE, JOHANNES MARINUS

Inventor name: RINGERSMA, JELKE