EG17785A - Process for manufacturing electrically welded steel tubes and pipes from a pre-heated strip - Google Patents

Process for manufacturing electrically welded steel tubes and pipes from a pre-heated strip

Info

Publication number
EG17785A
EG17785A EG408/86A EG40886A EG17785A EG 17785 A EG17785 A EG 17785A EG 408/86 A EG408/86 A EG 408/86A EG 40886 A EG40886 A EG 40886A EG 17785 A EG17785 A EG 17785A
Authority
EG
Egypt
Prior art keywords
pipes
welded steel
steel tubes
electrically welded
heated strip
Prior art date
Application number
EG408/86A
Other languages
English (en)
Original Assignee
Dalmine Spa
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 Dalmine Spa filed Critical Dalmine Spa
Application granted granted Critical
Publication of EG17785A publication Critical patent/EG17785A/xx

Links

Classifications

    • 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
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B23K31/027—Making tubes with soldering or welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
EG408/86A 1985-07-29 1986-07-03 Process for manufacturing electrically welded steel tubes and pipes from a pre-heated strip EG17785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21746/85A IT1185320B (it) 1985-07-29 1985-07-29 Procedimento per la fabbricazione di tubi di acciaio saldati elettricamente,ottenuti da nastro preriscaldato

Publications (1)

Publication Number Publication Date
EG17785A true EG17785A (en) 1991-08-30

Family

ID=11186277

Family Applications (1)

Application Number Title Priority Date Filing Date
EG408/86A EG17785A (en) 1985-07-29 1986-07-03 Process for manufacturing electrically welded steel tubes and pipes from a pre-heated strip

Country Status (6)

Country Link
EP (1) EP0217751A1 (it)
CN (1) CN1005695B (it)
EG (1) EG17785A (it)
ES (1) ES8705276A1 (it)
IT (1) IT1185320B (it)
PT (1) PT82871A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3703270A1 (de) * 1987-02-04 1988-08-18 Krupp Gmbh Verfahren zur herstellung eines behaelterrumpfes mit stumpfgeschweisster laengsnaht aus einem blechzuschnitt und vorrichtung zur durchfuehrung des verfahrens

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE678865C (de) * 1936-01-15 1939-07-24 Francis Frisch Anordnung zum elektrischen Widerstandsschweissen der Laengsnaehte von dickwandigen Roehren
US2673274A (en) * 1950-07-29 1954-03-23 Ohio Crankshaft Co Strip heating
US2748734A (en) * 1950-11-09 1956-06-05 Nat Electric Prod Corp Continuous tube welding apparatus with multi-stage heating
DE1011842B (de) * 1955-08-24 1957-07-11 Kocks Gmbh Friedrich Vorrichtung zum Erhitzen der Kanten von zu laengsnahtgeschweissten Rohren zu verarbeitenden Baendern
US4357512A (en) * 1980-07-23 1982-11-02 Sumitomo Kinzoku Kogyo Kabushiki Kaisha Apparatus for continuous manufacture of butt-welded pipe

Also Published As

Publication number Publication date
IT8521746A0 (it) 1985-07-29
CN86103563A (zh) 1987-01-28
EP0217751A1 (en) 1987-04-08
CN1005695B (zh) 1989-11-08
PT82871A (pt) 1986-12-29
ES8705276A1 (es) 1987-05-01
ES556301A0 (es) 1987-05-01
IT1185320B (it) 1987-11-12

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