ATE316829T1 - 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
ATE316829T1
ATE316829T1 AT00125604T AT00125604T ATE316829T1 AT E316829 T1 ATE316829 T1 AT E316829T1 AT 00125604 T AT00125604 T AT 00125604T AT 00125604 T AT00125604 T AT 00125604T AT E316829 T1 ATE316829 T1 AT E316829T1
Authority
AT
Austria
Prior art keywords
strip
spiral
corrugated
tight
producing
Prior art date
Application number
AT00125604T
Other languages
English (en)
Inventor
Vittorio Travini
Livio Travini
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 ATE316829T1 publication Critical patent/ATE316829T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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)
AT00125604T 1999-12-30 2000-11-22 Verfahren und vorrichtung zur herstellung eines geschweissten gasdichten und flexiblen rohrs ATE316829T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE316829T1 true ATE316829T1 (de) 2006-02-15

Family

ID=11384231

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00125604T ATE316829T1 (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
EP1112787B1 (de) 2006-02-01
ITMI992753A1 (it) 2001-06-30
DE60025790T2 (de) 2006-11-02
ES2258436T3 (es) 2006-09-01
EP1112787A3 (de) 2002-07-31
IT1314350B1 (it) 2002-12-09
ITMI992753A0 (it) 1999-12-30
EP1112787A2 (de) 2001-07-04
DE60025790D1 (de) 2006-04-13

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties