DK161388A - Fremgangsmaade og apparat til fremstilling af tyndvaeggede roer - Google Patents

Fremgangsmaade og apparat til fremstilling af tyndvaeggede roer

Info

Publication number
DK161388A
DK161388A DK161388A DK161388A DK161388A DK 161388 A DK161388 A DK 161388A DK 161388 A DK161388 A DK 161388A DK 161388 A DK161388 A DK 161388A DK 161388 A DK161388 A DK 161388A
Authority
DK
Denmark
Prior art keywords
strip
thin
bears
weighted
procedure
Prior art date
Application number
DK161388A
Other languages
English (en)
Other versions
DK161388D0 (da
DK167563B1 (da
Inventor
Frank-Ulrich Dyllus
Bernd Nichtweiss
Original Assignee
Reinzink Gmbh
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 Reinzink Gmbh filed Critical Reinzink Gmbh
Publication of DK161388D0 publication Critical patent/DK161388D0/da
Publication of DK161388A publication Critical patent/DK161388A/da
Application granted granted Critical
Publication of DK167563B1 publication Critical patent/DK167563B1/da

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
    • 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
    • B21C37/08—Making tubes with welded or soldered seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/01—Welding by high-frequency current heating by induction heating
    • B23K13/02—Seam welding
    • B23K13/025—Seam welding for tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Saccharide Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
DK161388A 1987-03-25 1988-03-24 Fremgangsmaade til fremstilling af tyndvaeggede roer DK167563B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3709784 1987-03-25
DE19873709784 DE3709784A1 (de) 1987-03-25 1987-03-25 Verfahren und vorrichtung zur herstellung von duennwandigen rohren

Publications (3)

Publication Number Publication Date
DK161388D0 DK161388D0 (da) 1988-03-24
DK161388A true DK161388A (da) 1988-09-26
DK167563B1 DK167563B1 (da) 1993-11-22

Family

ID=6323928

Family Applications (1)

Application Number Title Priority Date Filing Date
DK161388A DK167563B1 (da) 1987-03-25 1988-03-24 Fremgangsmaade til fremstilling af tyndvaeggede roer

Country Status (4)

Country Link
EP (1) EP0284141B1 (da)
AT (1) ATE75169T1 (da)
DE (2) DE3709784A1 (da)
DK (1) DK167563B1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1268946B1 (it) * 1994-02-18 1997-03-18 Mazzonetto Srl Struttura di tubo in zinco o sue leghe per lattoneria e procedimentoper la sua realizzazione
DE19633423A1 (de) * 1996-08-20 1998-02-26 Rheinzink Gmbh Verfahren zur Herstellung von dünnwandigen Rohren
DE10014519A1 (de) * 2000-03-23 2001-10-11 Rheinzink Gmbh Verwendung von Rohren aus Titanzink nach EN 988 und Biegeverfahren zur Herstellung von Rohrbögen
DE10137479A1 (de) * 2001-08-02 2003-02-27 Wurzer Georg Schweissverfahren zum Verbinden der Kanten von Edelstahlblechen bzw. Profilen und Herstellungsmaschine für Hohlprofile

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2817364A (en) * 1952-11-13 1957-12-24 Thomas J Crawford Welded tubing
US3015018A (en) * 1959-07-13 1961-12-26 Magnetic Heating Corp Heating apparatus
FR1332630A (fr) * 1962-06-04 1963-07-19 Lorraine Escaut Sa Procédé et dispositif de réglage de l'épaisseur d'un tube métallique en cours de fabrication
DE1752774A1 (de) * 1968-07-12 1971-05-19 Finow Walzwerk Verfahren und Vorrichtung zur kontinuierlichen Schweissnahtvorbereitung bei der Herstellung geschweisster Hohlprofile aus Metallband
DE2607970C3 (de) * 1976-02-27 1981-08-06 Rheinisches Zinkwalzwerk Gmbh & Co Kg, 4354 Datteln Vorrichtung und Verfahren zum Löten von dünnwandigen Rohren
JPS5750093Y2 (da) * 1978-09-12 1982-11-02
EP0127127A3 (de) * 1983-05-27 1985-05-02 Rolf Mattes Verfahren und Einrichtung zur Herstellung eines Rohrs

Also Published As

Publication number Publication date
DK161388D0 (da) 1988-03-24
EP0284141B1 (de) 1992-04-22
EP0284141A3 (en) 1989-02-15
DE3870294D1 (de) 1992-05-27
EP0284141A2 (de) 1988-09-28
DK167563B1 (da) 1993-11-22
DE3709784A1 (de) 1988-10-06
ATE75169T1 (de) 1992-05-15

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed
PUP Patent expired