DE60025790D1 - Verfahren und Vorrichtung zur Herstellung eines geschweissten gasdichten und flexiblen Rohrs - Google Patents

Verfahren und Vorrichtung zur Herstellung eines geschweissten gasdichten und flexiblen Rohrs

Info

Publication number
DE60025790D1
DE60025790D1 DE60025790T DE60025790T DE60025790D1 DE 60025790 D1 DE60025790 D1 DE 60025790D1 DE 60025790 T DE60025790 T DE 60025790T DE 60025790 T DE60025790 T DE 60025790T DE 60025790 D1 DE60025790 D1 DE 60025790D1
Authority
DE
Germany
Prior art keywords
strip
spiral
corrugated
producing
welded
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.)
Expired - Lifetime
Application number
DE60025790T
Other languages
English (en)
Other versions
DE60025790T2 (de
Inventor
Vittorio Travini
Livio Travini
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.)
Olimpia 80 SRL
Original Assignee
Olimpia 80 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 Olimpia 80 SRL filed Critical Olimpia 80 SRL
Application granted granted Critical
Publication of DE60025790D1 publication Critical patent/DE60025790D1/de
Publication of DE60025790T2 publication Critical patent/DE60025790T2/de
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
    • 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/122—Making tubes or metal hoses with helically arranged seams with welded or soldered seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Making Paper Articles (AREA)
DE60025790T 1999-12-30 2000-11-22 Verfahren und Vorrichtung zur Herstellung eines geschweissten gasdichten und flexiblen Rohrs Expired - Lifetime DE60025790T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI992753 1999-12-30
IT1999MI002753A IT1314350B1 (it) 1999-12-30 1999-12-30 Tubo flessibile saldato a tenuta di fumi,apparecchiatura perrealizzarlo e processo di produzione

Publications (2)

Publication Number Publication Date
DE60025790D1 true DE60025790D1 (de) 2006-04-13
DE60025790T2 DE60025790T2 (de) 2006-11-02

Family

ID=11384231

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60025790T Expired - Lifetime DE60025790T2 (de) 1999-12-30 2000-11-22 Verfahren und Vorrichtung zur Herstellung eines geschweissten gasdichten und flexiblen Rohrs

Country Status (5)

Country Link
EP (1) EP1112787B1 (de)
AT (1) ATE316829T1 (de)
DE (1) DE60025790T2 (de)
ES (1) ES2258436T3 (de)
IT (1) IT1314350B1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB940888A (en) * 1961-01-26 1963-11-06 Rheinmetall Gmbh Method of manufacturing threaded spindles
US3721793A (en) * 1971-07-19 1973-03-20 Inst Elektroswarki Patona Spiral-seam weld pipe and tube mill
US3857159A (en) * 1973-09-27 1974-12-31 Pacific Roller Die Co Inc Pipe forming method
DE2645946C2 (de) * 1976-10-12 1982-08-19 Witzenmann GmbH, Metallschlauch-Fabrik Pforzheim, 7530 Pforzheim Mehrlagiges Wellrohr für Abgasleitungen von Brennkraftmaschinen
NL8702946A (nl) * 1987-12-07 1989-07-03 Dec Holding Bv Werkwijze voor het vervaardigen van een dunwandige buis met glad binnenoppervlak.
AT394149B (de) * 1989-07-10 1992-02-10 Moldrich Metallwaren Gmbh Verfahren zur herstellung von rohren aus einem metallband

Also Published As

Publication number Publication date
IT1314350B1 (it) 2002-12-09
ITMI992753A0 (it) 1999-12-30
ITMI992753A1 (it) 2001-06-30
EP1112787A3 (de) 2002-07-31
ES2258436T3 (es) 2006-09-01
EP1112787A2 (de) 2001-07-04
EP1112787B1 (de) 2006-02-01
DE60025790T2 (de) 2006-11-02
ATE316829T1 (de) 2006-02-15

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Legal Events

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