EP0388824A3 - Procédé et appareil d'étirage de corps tubulaires - Google Patents

Procédé et appareil d'étirage de corps tubulaires Download PDF

Info

Publication number
EP0388824A3
EP0388824A3 EP19900105080 EP90105080A EP0388824A3 EP 0388824 A3 EP0388824 A3 EP 0388824A3 EP 19900105080 EP19900105080 EP 19900105080 EP 90105080 A EP90105080 A EP 90105080A EP 0388824 A3 EP0388824 A3 EP 0388824A3
Authority
EP
European Patent Office
Prior art keywords
pressure ring
wall thickness
mandrel
tubular body
tubular bodies
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Withdrawn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
EP19900105080
Other languages
German (de)
English (en)
Other versions
EP0388824A2 (fr
Inventor
Egon Evertz
Rolf Prof.Dr.-Ing. Seybold
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0388824A2 publication Critical patent/EP0388824A2/fr
Publication of EP0388824A3 publication Critical patent/EP0388824A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
    • B21C3/02—Dies; Selection of material therefor; Cleaning thereof
    • B21C3/12—Die holders; Rotating dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
    • B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles by means of mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • 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
    • B21D9/125—Bending tubes using mandrels or the like by pushing over a curved mandrel; by pushing through a curved die by pushing through a curved die

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Metal Extraction Processes (AREA)
  • Continuous Casting (AREA)
EP19900105080 1989-03-18 1990-03-17 Procédé et appareil d'étirage de corps tubulaires Withdrawn EP0388824A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3908977 1989-03-18
DE19893908977 DE3908977C2 (de) 1989-03-18 1989-03-18 Vorrichtung zum verformen von rohrartigen, bogenförmigen Rohrkörpern

Publications (2)

Publication Number Publication Date
EP0388824A2 EP0388824A2 (fr) 1990-09-26
EP0388824A3 true EP0388824A3 (fr) 1991-07-03

Family

ID=6376688

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900105080 Withdrawn EP0388824A3 (fr) 1989-03-18 1990-03-17 Procédé et appareil d'étirage de corps tubulaires

Country Status (2)

Country Link
EP (1) EP0388824A3 (fr)
DE (1) DE3908977C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4128365A1 (de) * 1991-08-27 1993-03-04 Egon Evertz Verfahren zur aufarbeitung von kupferkokillen fuer das stranggiessen von stahl
DE19750858B4 (de) * 1997-11-17 2008-02-28 Egon Evertz Kg Verfahren zum Herstellen einer Stranggießkokille
DE102005045727B4 (de) * 2005-09-23 2009-02-05 Benteler Automobiltechnik Gmbh Tiefziehverfahren und Tiefziehmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3131803A (en) * 1961-12-04 1964-05-05 Babcock & Wilcox Co Method of and apparatus for cold drawing metal tubes
DE2154226A1 (de) * 1971-10-30 1973-05-03 Kabel Metallwerke Ghh Anordnung zur herstellung von kreisbogenfoermig gekruemmten kokillen fuer stranggussmaschinen
EP0060820A1 (fr) * 1981-03-13 1982-09-22 Santrade Ltd. Procédé et appareil pour la fabrication de tubes
GB2151162A (en) * 1983-12-14 1985-07-17 Tubi Italia Spa Method for preparing tubular chills for continuous steel casting plants

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE39156C (de) * C. M. PIELSTICKER in London, Room 186, Suffolk-House, Cannon-Street Maschine zum Kaltziehen von Stangen und Röhren
LU77511A1 (fr) * 1977-06-09 1979-01-19

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3131803A (en) * 1961-12-04 1964-05-05 Babcock & Wilcox Co Method of and apparatus for cold drawing metal tubes
DE2154226A1 (de) * 1971-10-30 1973-05-03 Kabel Metallwerke Ghh Anordnung zur herstellung von kreisbogenfoermig gekruemmten kokillen fuer stranggussmaschinen
EP0060820A1 (fr) * 1981-03-13 1982-09-22 Santrade Ltd. Procédé et appareil pour la fabrication de tubes
GB2151162A (en) * 1983-12-14 1985-07-17 Tubi Italia Spa Method for preparing tubular chills for continuous steel casting plants

Also Published As

Publication number Publication date
DE3908977A1 (de) 1990-09-27
DE3908977C2 (de) 1995-09-07
EP0388824A2 (fr) 1990-09-26

Similar Documents

Publication Publication Date Title
EP0523215B1 (fr) Procede et dispositif de formage hydrostatique de corps creux en metal deformable a froid
DE3879285T2 (de) Hydraulisches kontrollverfahren fuer werkzeuge.
DE1452320C3 (de) Indirekt-Metallstrangpresse zum Herstellen von Rohren
DE3102867A1 (de) Vorrichtung zur verformen des endabschnittes eines rohres
DE3424276C2 (fr)
EP0388824A3 (fr) Procédé et appareil d'étirage de corps tubulaires
DE1627722B2 (de) Verfahren zur pulvermetallur gischen Herstellung von Stangen und Rohren
DE2854647A1 (de) Verfahren und vorrichtung zum abmessen und abgeben einer vorherbestimmten fluessigkeitsmenge
DE1936648A1 (de) Verfahren und Vorrichtung zum Verkleinern des Volumens eines Behaelters aus Kunststoff
DE2455901C2 (de) Vorrichtung zum Füllen und Verschließen einer Gaskammer, insbesondere einer Gasfeder
DE1552100B2 (de) Vorrichtung zum hochenergieumformen von metallischen werkstuecxken mit einem fluessigkeitsstrahl
DE72118C (de) Verfahren zum Biegen von Röhren
DE1259821B (de) Verfahren und Vorrichtung zum Herstellen eines metallischen Hohlkoerpers mit Boden und einem Aussenbund
DE4103078A1 (de) Vorrichtung zum hydrostatischen umformen von hohlkoerpern aus kaltumformbarem metall
DE2846519C2 (fr)
DE2452846C3 (de) Werkzeug zum Entfernen eines Grates in oder an Durchbrechungen beliebiger Querschnittsform eines Werkstücks
DE2732804C2 (de) Indirekt-Metallstrangpresse zum Herstellen von Rohren
DE2544668A1 (de) Werkzeug zur formgebung von sitzen zur aufnahme von dichtungen im innern von kunststoffrohren
EP1308224A3 (fr) Méthode et dispositif de formage et/ou découpage d' un corps creux d' un profilé creux ou une pièce similaire
DE1261102B (de) Verfahren und Vorrichtung zum Herstellen von Rohrbogen mit sich vom einen zum anderen Ende gleichmaessig verjuengendem Querschnitt
DE4331609C2 (de) Vorrichtung zum Biegen von Rohren
DE2758609A1 (de) Verfahren zum herstellen eines hohlen, langgestreckten werkstuecks und vorrichtung zur durchfuehrung des verfahrens
EP0740083A3 (fr) Vanne d'arrêt avec une piston de vanne distributrice
DE2225123C3 (de) Vorrichtung zum Verformen von Rohrenden aus einem thermoplastischen Kunststoff
DE830782C (de) Presse fuer die Herstellung von Hohlkoerpern

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

Kind code of ref document: A2

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

17P Request for examination filed

Effective date: 19920103

17Q First examination report despatched

Effective date: 19920702

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: 19930113