ES2011955A6 - Process and apparatus for producing spirally-seamed metal tubing. - Google Patents

Process and apparatus for producing spirally-seamed metal tubing.

Info

Publication number
ES2011955A6
ES2011955A6 ES8900030A ES8900030A ES2011955A6 ES 2011955 A6 ES2011955 A6 ES 2011955A6 ES 8900030 A ES8900030 A ES 8900030A ES 8900030 A ES8900030 A ES 8900030A ES 2011955 A6 ES2011955 A6 ES 2011955A6
Authority
ES
Spain
Prior art keywords
round
fed
edges
strip
metal strip
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
ES8900030A
Other languages
Spanish (es)
Inventor
Stig Erik Rosengren
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.)
Spiro Machines SA
Original Assignee
Spiro Machines SA
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 Spiro Machines SA filed Critical Spiro Machines SA
Publication of ES2011955A6 publication Critical patent/ES2011955A6/en
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
    • 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
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/06—Resistance welding; Severing by resistance heating using roller electrodes
    • B23K11/067—Resistance welding; Severing by resistance heating using roller electrodes for welding three-dimensional seams
    • B23K11/068—Resistance welding; Severing by resistance heating using roller electrodes for welding three-dimensional seams of helicoidal 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/30—Features relating to electrodes
    • B23K11/309—Wire electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

A process and an apparatus for producing spirally-seamed tubing from metal strip are disclosed. The edges (15) of the metal strip (12) are prepared and the metal strip is fed into a generally cylindrical forming head (13) to bring the prepared edges of the strip closely adjacent one another in overlapping relationship, and the overlapping edges are welded together by means of inner and outer electrode rollers (16, 17). A conducting strand (18) is fed round the rotary electrodes to pass between the rollers and the strip and so provide continuously fresh electrical contacts. The conducting strand (18) may comprise a copper wire which is fed from a supply coil (19), round one roller (16), through a cleaning device (24), round the other roller (17), and then to waste.
ES8900030A 1987-12-04 1988-12-05 Process and apparatus for producing spirally-seamed metal tubing. Expired - Lifetime ES2011955A6 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878728411A GB8728411D0 (en) 1987-12-04 1987-12-04 Process & apparatus for producing spirally-seamed metal tubing

Publications (1)

Publication Number Publication Date
ES2011955A6 true ES2011955A6 (en) 1990-02-16

Family

ID=10628011

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8900030A Expired - Lifetime ES2011955A6 (en) 1987-12-04 1988-12-05 Process and apparatus for producing spirally-seamed metal tubing.

Country Status (10)

Country Link
EP (1) EP0389558A1 (en)
JP (1) JPH03503744A (en)
KR (1) KR900700199A (en)
AU (1) AU2907389A (en)
BR (1) BR8807825A (en)
DK (1) DK135190D0 (en)
ES (1) ES2011955A6 (en)
FI (1) FI902720A0 (en)
GB (1) GB8728411D0 (en)
WO (1) WO1989005202A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6957741B2 (en) 2001-08-07 2005-10-25 Manfred Franz Axel Freissle Screening arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH370175A (en) * 1959-06-10 1963-06-30 Soudronic Ag Resistance welding machine for continuous electrical welding of overlapping metal sheets
CH462979A (en) * 1966-09-12 1968-09-30 Opprecht Paul Semi-automatic welding machine for welding sheet metal
CH472929A (en) * 1967-04-25 1969-05-31 Opprecht Paul Process for the automatic welding of metal sheets and its application
DE2559671C2 (en) * 1975-03-19 1982-08-12 Opprecht, Paul, 8962 Bergdietikon, Aargau Device for semi-automatic or fully automatic electrical resistance longitudinal seam-pinch seam welding of can bodies
AT389246B (en) * 1985-11-29 1989-11-10 Inst Elektroswarki Patona METHOD FOR PRODUCING SCREW SEAM PIPES

Also Published As

Publication number Publication date
DK135190A (en) 1990-05-31
AU2907389A (en) 1989-07-05
WO1989005202A1 (en) 1989-06-15
JPH03503744A (en) 1991-08-22
EP0389558A1 (en) 1990-10-03
KR900700199A (en) 1990-08-11
DK135190D0 (en) 1990-05-31
FI902720A0 (en) 1990-06-01
BR8807825A (en) 1990-10-23
GB8728411D0 (en) 1988-01-13

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