EP0344570A3 - Procédé et dispositif de fabrication d'un tube en forme d'hélice - Google Patents

Procédé et dispositif de fabrication d'un tube en forme d'hélice Download PDF

Info

Publication number
EP0344570A3
EP0344570A3 EP19890109206 EP89109206A EP0344570A3 EP 0344570 A3 EP0344570 A3 EP 0344570A3 EP 19890109206 EP19890109206 EP 19890109206 EP 89109206 A EP89109206 A EP 89109206A EP 0344570 A3 EP0344570 A3 EP 0344570A3
Authority
EP
European Patent Office
Prior art keywords
expanding mandrel
pipe section
making
pipe
designed
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
EP19890109206
Other languages
German (de)
English (en)
Other versions
EP0344570A2 (fr
EP0344570B1 (fr
Inventor
Hermann Fragge
Ewald Westerkamp
Felix Willenborg
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.)
Siekmann Fittings GmbH and Co KG
Original Assignee
Siekmann Fittings GmbH and Co KG
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 Siekmann Fittings GmbH and Co KG filed Critical Siekmann Fittings GmbH and Co KG
Publication of EP0344570A2 publication Critical patent/EP0344570A2/fr
Publication of EP0344570A3 publication Critical patent/EP0344570A3/fr
Application granted granted Critical
Publication of EP0344570B1 publication Critical patent/EP0344570B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP89109206A 1988-05-30 1989-05-23 Procédé et dispositif de fabrication d'un tube en forme d'hélice Expired - Lifetime EP0344570B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3818315 1988-05-30
DE3818315 1988-05-30
DE3822541 1988-07-04
DE3822541 1988-07-04

Publications (3)

Publication Number Publication Date
EP0344570A2 EP0344570A2 (fr) 1989-12-06
EP0344570A3 true EP0344570A3 (fr) 1991-02-06
EP0344570B1 EP0344570B1 (fr) 1992-12-09

Family

ID=25868596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89109206A Expired - Lifetime EP0344570B1 (fr) 1988-05-30 1989-05-23 Procédé et dispositif de fabrication d'un tube en forme d'hélice

Country Status (3)

Country Link
US (1) US4951493A (fr)
EP (1) EP0344570B1 (fr)
DE (1) DE58902937D1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323759A1 (de) * 1993-07-15 1995-01-19 Artemis Kautschuk Kunststoff Verfahren zur Herstellung von Rotoren für Exzenterschneckenpumpen
GB0024909D0 (en) * 2000-10-11 2000-11-22 Springer Johann Drill string member
US7137281B1 (en) 2004-02-23 2006-11-21 Mccorvey Robert L Process and apparatus for forming oversized circular pipe
DE102004019698B4 (de) * 2004-04-20 2010-06-10 Erne Fittings Gmbh Gewendeltes Rohrelement
DE102004030327A1 (de) * 2004-06-23 2006-01-12 Erne Fittings Gmbh Verfahren und Aufweitdorn zur Fertigung eines Rohrelements
US20080128583A1 (en) * 2006-07-17 2008-06-05 Doug Smoljo Form and method and apparatus for making a form
CN113894173B (zh) * 2021-10-13 2022-11-15 北京科技大学 空心螺旋杆三辊驱动挤压成形装置及工艺
CN113894170B (zh) * 2021-10-13 2022-11-15 北京科技大学 空心螺旋杆双辊驱动挤压成形装置及工艺
CN113894172B (zh) * 2021-10-13 2022-11-15 北京科技大学 螺旋杆双辊驱动挤压成形装置及工艺
CN113894171B (zh) * 2021-10-13 2022-12-02 北京科技大学 螺旋杆三辊驱动挤压成形装置及工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505623A (en) * 1948-07-15 1950-04-25 Tube Turns Inc Apparatus for manufacture of helical coils of tubing
FR2155827A1 (fr) * 1971-10-08 1973-05-25 Sigma Lutin
GB2064392A (en) * 1979-12-10 1981-06-17 Grotnes Metalforming Syst Treatment of metal pipes
DE3311214A1 (de) * 1981-12-16 1984-10-04 Sigma Koncern, Olmütz/Olomouc Formwerkzeug zur herstellung von drallteilen aus rohrrohlingen
AT384966B (de) * 1986-06-09 1988-02-10 Ver Edelstahlwerke Ag Verfahren zur herstellung eines hohlkoerpers mit schrauben- bzw. wendelartiger innen- und aussenkontur und vorrichtung zur durchfuehrung des verfahrens

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1973687A (en) * 1932-02-23 1934-09-11 Bolton C Moise Tube mill
US2936019A (en) * 1956-09-10 1960-05-10 Toledo Heater Company Apparatus for producing tube bends

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505623A (en) * 1948-07-15 1950-04-25 Tube Turns Inc Apparatus for manufacture of helical coils of tubing
FR2155827A1 (fr) * 1971-10-08 1973-05-25 Sigma Lutin
GB2064392A (en) * 1979-12-10 1981-06-17 Grotnes Metalforming Syst Treatment of metal pipes
DE3311214A1 (de) * 1981-12-16 1984-10-04 Sigma Koncern, Olmütz/Olomouc Formwerkzeug zur herstellung von drallteilen aus rohrrohlingen
AT384966B (de) * 1986-06-09 1988-02-10 Ver Edelstahlwerke Ag Verfahren zur herstellung eines hohlkoerpers mit schrauben- bzw. wendelartiger innen- und aussenkontur und vorrichtung zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
EP0344570A2 (fr) 1989-12-06
US4951493A (en) 1990-08-28
DE58902937D1 (de) 1993-01-21
EP0344570B1 (fr) 1992-12-09

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