ATE324950T1 - METHOD FOR CONTINUOUSLY PRODUCING A RING-SHAPED CORRUPTED METAL TUBE - Google Patents

METHOD FOR CONTINUOUSLY PRODUCING A RING-SHAPED CORRUPTED METAL TUBE

Info

Publication number
ATE324950T1
ATE324950T1 AT00120973T AT00120973T ATE324950T1 AT E324950 T1 ATE324950 T1 AT E324950T1 AT 00120973 T AT00120973 T AT 00120973T AT 00120973 T AT00120973 T AT 00120973T AT E324950 T1 ATE324950 T1 AT E324950T1
Authority
AT
Austria
Prior art keywords
pipe
speed
axis
corrupted
ring
Prior art date
Application number
AT00120973T
Other languages
German (de)
Inventor
Giuseppe Brega
Vittorio 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 ATE324950T1 publication Critical patent/ATE324950T1/en

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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/205—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with annular guides
    • 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
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically
    • B21D15/06—Corrugating tubes transversely, e.g. helically annularly

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Catalysts (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

A metal pipe (T) is fed at a first speed into a space between delimited successive contiguous mechanical corrugators (34, 38), each of which turns around an axis coinciding with the axis of the pipe (a) and is disposed eccentrically with respect thereto and has a spiral inner corrugating surface with its axis (b, c) offset with respect to the axis of the pipe and a diameter greater than the diameter of the pipe. The corrugated pipe (TC) is extracted at a second speed lower than the first speed. An appropriate coordination between the input speed, the output speed and the pitch of the spirals of the corrugating fixtures allows corrugated metal pipes with parallel annular ridges to be produced continuously. <IMAGE>
AT00120973T 1999-10-01 2000-09-27 METHOD FOR CONTINUOUSLY PRODUCING A RING-SHAPED CORRUPTED METAL TUBE ATE324950T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI002053A IT1313765B1 (en) 1999-10-01 1999-10-01 PROCESS AND EQUIPMENT FOR CONTINUOUS PRODUCTION OF CORRUGATED TUBOMETALLIC WITH PARALLEL WAVES.

Publications (1)

Publication Number Publication Date
ATE324950T1 true ATE324950T1 (en) 2006-06-15

Family

ID=11383707

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00120973T ATE324950T1 (en) 1999-10-01 2000-09-27 METHOD FOR CONTINUOUSLY PRODUCING A RING-SHAPED CORRUPTED METAL TUBE

Country Status (5)

Country Link
EP (1) EP1088605B1 (en)
AT (1) ATE324950T1 (en)
DE (1) DE60027658T2 (en)
ES (1) ES2264412T3 (en)
IT (1) IT1313765B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10146807A1 (en) * 2001-09-22 2003-04-10 Nexans Process for the production of longitudinally welded helically corrugated metal pipes
CN109226332B (en) * 2018-11-15 2024-04-12 宁波市狮山管业有限公司 Integral type bellows continuous dense wave former
CN112091027B (en) * 2020-09-04 2021-04-16 航天晨光股份有限公司 Seamless thin-wall corrugated pipe rolling forming machine with fixed length

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3572074A (en) * 1968-01-09 1971-03-23 Pirelli General Cable Works Corrugating methods and apparatus
US3486357A (en) * 1968-06-21 1969-12-30 Universal Metal Hose Co Annular corrugating apparatus for tubing
DE2060024A1 (en) * 1970-12-05 1972-06-08 Kabel Metallwerke Ghh Process for the production of ring-shaped corrugated metal pipes
US3780556A (en) * 1971-09-27 1973-12-25 Andrew Corp Tube corrugating apparatus and method
DE2400842C2 (en) * 1974-01-09 1982-08-19 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Method and device for manufacturing flexible metal pipes
YU42981A (en) * 1980-08-02 1983-09-30 Kabel Metallwerke Ghh Device for transforming even tubes to wave-shaped tubes
DE4137275A1 (en) * 1991-11-13 1993-05-19 Kabelmetal Electro Gmbh METHOD FOR THE CONTINUOUS PRODUCTION OF SCREW LINE OR RING SHAPED METAL PIPES

Also Published As

Publication number Publication date
ES2264412T3 (en) 2007-01-01
DE60027658D1 (en) 2006-06-08
EP1088605A3 (en) 2002-01-16
EP1088605A2 (en) 2001-04-04
IT1313765B1 (en) 2002-09-17
ITMI992053A1 (en) 2001-04-01
EP1088605B1 (en) 2006-05-03
DE60027658T2 (en) 2007-04-05
ITMI992053A0 (en) 1999-10-01

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Legal Events

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