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EP0432485A3 - Process and apparatus for the production of light alloy tubing of larger diameter starting from tubing of smaller diameter - Google Patents

Process and apparatus for the production of light alloy tubing of larger diameter starting from tubing of smaller diameter Download PDF

Info

Publication number
EP0432485A3
EP0432485A3 EP19900121705 EP90121705A EP0432485A3 EP 0432485 A3 EP0432485 A3 EP 0432485A3 EP 19900121705 EP19900121705 EP 19900121705 EP 90121705 A EP90121705 A EP 90121705A EP 0432485 A3 EP0432485 A3 EP 0432485A3
Authority
EP
European Patent Office
Prior art keywords
tubing
production
light alloy
starting
larger diameter
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
EP19900121705
Other languages
German (de)
French (fr)
Other versions
EP0432485A2 (en
EP0432485B1 (en
Inventor
Orlando Zaffaroni
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.)
VIS Srl
Original Assignee
VIS Srl
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 VIS Srl filed Critical VIS Srl
Publication of EP0432485A2 publication Critical patent/EP0432485A2/en
Publication of EP0432485A3 publication Critical patent/EP0432485A3/en
Application granted granted Critical
Publication of EP0432485B1 publication Critical patent/EP0432485B1/en
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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
  • Forging (AREA)
  • Heat Treatment Of Articles (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

Production of light alloy tubing of larger diameter starting from tubing of smaller diameter comprising the following operations:
  • a) A tube having a diameter from 100mm to 400mm is introduced in a mandrel (1),
  • b) the mandrel (1) is rotated, and
  • c) the tube (12) is compressed by a pressing roller (2) against the inner part of the mandrel (1).
    • EP90121705A 1989-11-15 1990-11-13 Process and apparatus for the production of light alloy tubing of larger diameter starting from tubing of smaller diameter Expired - Lifetime EP0432485B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    IT02238689A IT1236712B (en) 1989-11-15 1989-11-15 PROCESS AND EQUIPMENT FOR THE PRODUCTION OF LIGHT ALLOY DIAMETER ALLOY TUBES STARTING FROM LOWER DIAMETER TUBES.
    IT2238689 1989-11-15

    Publications (3)

    Publication Number Publication Date
    EP0432485A2 EP0432485A2 (en) 1991-06-19
    EP0432485A3 true EP0432485A3 (en) 1991-07-03
    EP0432485B1 EP0432485B1 (en) 1994-06-22

    Family

    ID=11195577

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP90121705A Expired - Lifetime EP0432485B1 (en) 1989-11-15 1990-11-13 Process and apparatus for the production of light alloy tubing of larger diameter starting from tubing of smaller diameter

    Country Status (6)

    Country Link
    EP (1) EP0432485B1 (en)
    AT (1) ATE107550T1 (en)
    DE (1) DE69010163T2 (en)
    DK (1) DK0432485T3 (en)
    ES (1) ES2055851T3 (en)
    IT (1) IT1236712B (en)

    Families Citing this family (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP2643625B1 (en) 2010-12-02 2017-09-20 Victaulic Company Pipe element having shoulder, groove and bead and methods and apparatus for manufacture thereof
    WO2013033134A1 (en) 2011-09-02 2013-03-07 Victaulic Company Spin forming method

    Citations (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR1570221A (en) * 1967-06-29 1969-06-06
    FR2195491A1 (en) * 1972-08-09 1974-03-08 Roulements Soc Nouvelle
    GB2007134A (en) * 1977-11-04 1979-05-16 Honda Motor Co Ltd Apparatus for roll-forming seamless annular products
    GB2025818A (en) * 1978-07-19 1980-01-30 Doncaster & Sons Ltd D Method of Producing Rings from Aluminium-based Alloys
    DE3237295A1 (en) * 1982-10-08 1984-04-12 Stahlwerke Plate GmbH & Co KG, 5880 Lüdenscheid Ring rolling mill
    EP0286587A2 (en) * 1987-04-07 1988-10-12 ROHRKALIBRIER- UND BOGENAUTOMATEN RoKaBo AG Profiling method for ring-shaped objects, and apparatus for carrying out this method

    Patent Citations (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR1570221A (en) * 1967-06-29 1969-06-06
    FR2195491A1 (en) * 1972-08-09 1974-03-08 Roulements Soc Nouvelle
    GB2007134A (en) * 1977-11-04 1979-05-16 Honda Motor Co Ltd Apparatus for roll-forming seamless annular products
    GB2025818A (en) * 1978-07-19 1980-01-30 Doncaster & Sons Ltd D Method of Producing Rings from Aluminium-based Alloys
    DE3237295A1 (en) * 1982-10-08 1984-04-12 Stahlwerke Plate GmbH & Co KG, 5880 Lüdenscheid Ring rolling mill
    EP0286587A2 (en) * 1987-04-07 1988-10-12 ROHRKALIBRIER- UND BOGENAUTOMATEN RoKaBo AG Profiling method for ring-shaped objects, and apparatus for carrying out this method

    Also Published As

    Publication number Publication date
    IT8922386A1 (en) 1991-05-15
    DE69010163D1 (en) 1994-07-28
    ATE107550T1 (en) 1994-07-15
    DK0432485T3 (en) 1994-07-25
    IT8922386A0 (en) 1989-11-15
    EP0432485A2 (en) 1991-06-19
    EP0432485B1 (en) 1994-06-22
    ES2055851T3 (en) 1994-09-01
    DE69010163T2 (en) 1994-10-06
    IT1236712B (en) 1993-03-26

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