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

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

Info

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Withdrawn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Withdrawn legal-status Critical Current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

    • 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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
    • B21D7/025—Bending 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
DE19843427639 DE3427639A1 (de) 1984-07-26 1984-07-26 Verfahren und vorrichtung zum biegen laenglicher werkstuecke, insbesondere rohre
DE3427639 1984-07-26

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 (enrdf_load_stackoverflow)
EP (1) EP0169564A3 (enrdf_load_stackoverflow)
DE (1) DE3427639A1 (enrdf_load_stackoverflow)

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
US8919171B2 (en) * 2005-03-03 2014-12-30 Nippon Steel & Sumitomo Metal Corporation Method for three-dimensionally bending workpiece and bent product
US8863565B2 (en) * 2005-03-03 2014-10-21 Nippon Steel & Sumitomo Metal Corporation Three-dimensionally bending machine, bending-equipment line, 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
EP2345549B1 (en) 2008-11-12 2013-08-14 Nippon Steel & Sumitomo Metal Corporation Arm blank and method of manufacturing same
DE102009060743B4 (de) * 2009-12-30 2011-11-24 Nova Bausysteme Gmbh Verfahren und Vorrichtung zum Herstellen von Wendeln aus Drähten
EA020748B1 (ru) * 2010-01-06 2015-01-30 Сумитомо Метал Индастриз, Лтд. Способ и устройство для изготовления гнутого элемента
IN2012DN06264A (enrdf_load_stackoverflow) * 2010-01-06 2015-09-25 Nippon Steel & Sumitomo Metal Corp
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 (enrdf_load_stackoverflow) * 1971-03-05 1972-10-20 Cojafex
FR2181642A1 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) *
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 (enrdf_load_stackoverflow) * 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 (enrdf_load_stackoverflow) * 1971-03-05 1972-10-20 Cojafex
FR2181642A1 (enrdf_load_stackoverflow) * 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
EP0169564A2 (de) 1986-01-29
DE3427639C2 (enrdf_load_stackoverflow) 1988-04-14
DE3427639A1 (de) 1986-02-06
US4596128A (en) 1986-06-24

Similar Documents

Publication Publication Date Title
EP0169564A3 (de) Verfahren und Vorrichtung zum Biegen länglicher Werkstücke, insbesondere Rohre
US20050247704A1 (en) Multi-frequency heat treatment of a workpiece by induction heating
ATE155052T1 (de) Verfahren und vorrichtung zum pulverbeschichten
EP0158946A3 (de) Verfahren und Vorrichtung zum Erwärmen von nichtmagnetischen Metallwerkstücken
EP0097408A3 (en) Induction heating method and apparatus for elongated workpieces
JPS5317509A (en) Method and apparatus for induction heating of metallic material
ATA270185A (de) Verfahren zur waermebehandlung metallischer werkstuecke unter verwendung eines durchlaufoder durchstossofens sowie vorrichtung zum durchfuehren dieses verfahrens
DE2249642A1 (de) Verfahren zur zweistufigen oberflaechenhaertung von werkstuecken aus eisen- und stahllegierungen
DE102005018974B4 (de) Verfahren und Vorrichtung zum Erwärmen von elektrisch leitfähigen unbeschichteten oder beschichteten Platinen
US3441701A (en) Method and apparatus for inductively heating workpieces comprising a flanged shaft
JPS5711722A (en) Manufacturing apparatus for taper material
DE971981C (de) Verfahren zum Aufschmelzen von galvanischen oder aehnlichen Metallniederschlaegen auf draht- oder bandfoermigen Unterlagen
DE58906601D1 (de) Vorrichtung und Verfahren zum induktiven Erwärmen von Werkstücken.
DE19626008A1 (de) Verfahren zur Härtung von Oberflächen bei Stahl und Gußeisen
EP0083091A3 (de) Verfahren und Vorrichtung zum Beschichten von Formteilen mit schmelzflüssigem Metall
DE3218985C2 (de) Verfahren zum Trocknen eines Naßanstriches oder zum Polymerisieren einer Pulverschicht
DE888791C (de) Verfahren zum Feuerverzinken von Eisen- und Stahldraehten und -baendern
SU1648595A1 (ru) Устройство дл нагрева длинномерного профильного проката при гибке и закалке
DE877401C (de) Verwendung der bekannten elektrischen Widerstands- oder induktiven Erhitzung zur Verbesserung der Loetfaehigkeit von galvanisch verzinnten Eisenblechen
US2183385A (en) Manufacture of cutting files
DE353299C (de) Verfahren zum Erhitzen von Walzbloecken mittels eines elektrischen Stromes
DE886605C (de) Verfahren zur kontinuierlichen Waermebehandlung von verguetbaren Metallegierungen
JPS60200910A (ja) 金属条材の連続熱処理方法
EP0275529B1 (en) Method for preparing large cast iron dies, particularly for vehicle-sheet metal pressing, and the apparatus for its implementation
JPS5655573A (en) Method and apparatus for forming oxide film rapidly on surface of tool

Legal Events

Date Code Title Description
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

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19871106

17Q First examination report despatched

Effective date: 19890213

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19890627

RIN1 Information on inventor provided before grant (corrected)

Inventor name: HOFSTEDE, JOHANNES MARINUS

Inventor name: RINGERSMA, JELKE