IT7820987A0 - Procedimento per evitare difetti iniziali nella saldatura a cordone longitudinale di tubi mediante fili-elettrodi multipli. - Google Patents

Procedimento per evitare difetti iniziali nella saldatura a cordone longitudinale di tubi mediante fili-elettrodi multipli.

Info

Publication number
IT7820987A0
IT7820987A0 IT7820987A IT2098778A IT7820987A0 IT 7820987 A0 IT7820987 A0 IT 7820987A0 IT 7820987 A IT7820987 A IT 7820987A IT 2098778 A IT2098778 A IT 2098778A IT 7820987 A0 IT7820987 A0 IT 7820987A0
Authority
IT
Italy
Prior art keywords
electrodes
procedure
pipe
multiple wire
bead welding
Prior art date
Application number
IT7820987A
Other languages
English (en)
Other versions
IT1093200B (it
Inventor
Papierok Karl Heinz
Mursic Marian Michael
Original Assignee
Mannesmann Ag
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 Mannesmann Ag filed Critical Mannesmann Ag
Publication of IT7820987A0 publication Critical patent/IT7820987A0/it
Application granted granted Critical
Publication of IT1093200B publication Critical patent/IT1093200B/it

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
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
    • B23K9/0253—Seam welding; Backing means; Inserts for rectilinear seams for the longitudinal seam of tubes
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/0203—Inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
IT20987/78A 1977-03-09 1978-03-09 Procedimento per evitare difetti iniziali nella saldatura a cordone longitudinale di tubi mediante fili-elettrodi multipli IT1093200B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2710713A DE2710713C3 (de) 1977-03-09 1977-03-09 Verfahren zur Vermeidung von Anfangsfehlern beim Mehrdraht-Längsnahtschweißen von Rohren

Publications (2)

Publication Number Publication Date
IT7820987A0 true IT7820987A0 (it) 1978-03-09
IT1093200B IT1093200B (it) 1985-07-19

Family

ID=6003407

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20987/78A IT1093200B (it) 1977-03-09 1978-03-09 Procedimento per evitare difetti iniziali nella saldatura a cordone longitudinale di tubi mediante fili-elettrodi multipli

Country Status (5)

Country Link
JP (1) JPS53110950A (it)
DE (1) DE2710713C3 (it)
FR (1) FR2382969A1 (it)
GB (1) GB1597042A (it)
IT (1) IT1093200B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62230478A (ja) * 1986-03-31 1987-10-09 Sumitomo Metal Ind Ltd タブ板自動溶接装置
US6568077B1 (en) * 2000-05-11 2003-05-27 General Electric Company Blisk weld repair

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564396A (en) * 1949-11-01 1951-08-14 Republic Steel Corp Seam welding procedure for pipe manufacture
DE2609201C3 (de) * 1976-03-05 1979-07-19 Kobe Steel Ltd., Kobe, Hyogo (Japan) Verfahren zum Verhüten von Endkraterrissen beim Lichtbogenschweißen von Stumpfnähten durch Vorschweißbleche

Also Published As

Publication number Publication date
IT1093200B (it) 1985-07-19
JPS53110950A (en) 1978-09-28
FR2382969A1 (fr) 1978-10-06
FR2382969B1 (it) 1982-02-19
DE2710713B2 (de) 1980-03-13
DE2710713A1 (de) 1978-09-14
DE2710713C3 (de) 1980-12-04
GB1597042A (en) 1981-09-03

Similar Documents

Publication Publication Date Title
IT1083798B (it) Giunto per tubi
IT1101105B (it) Rilevatore di pressione interna in tubi
IT1107065B (it) Giunto di accoppiamento per tubi
IT8019686A0 (it) Giunto per tubi.
IT1078121B (it) Perfezionamento nei raccordi di accoppiamento per tubi
IT1113058B (it) Dispositivo di bloccaggio in un giunto a manicotto per tubi
AT374861B (de) Reinigungsrohr
IT1086796B (it) Testata per manipolare tubi
IT7922685A0 (it) Calibro per filettature di tubi.
IT1080958B (it) Raccordo rapido per tubi di tipo perfezionato
IT1081120B (it) Giunto elastico per tubi
IT7819082A0 (it) Procedimento per evitare difetti terminali nella saldatura a cordone longitudinale di tubi mediante fili-elettrodi multipli.
IT7821707A0 (it) Giunzione di tubi.
SE7805822L (sv) Forfaringssett for trycksvetsning
IT1068629B (it) Collegamento per tubi
IT7867229A0 (it) Giunto per tubi
IT7820987A0 (it) Procedimento per evitare difetti iniziali nella saldatura a cordone longitudinale di tubi mediante fili-elettrodi multipli.
IT1004190B (it) Perfezionamento negli utensili per esguire lavorazioni su tubi metallici
IT1130675B (it) Disposizione per flangiare tubi
AU3657078A (en) Pipe joint
JPS545839A (en) Pipe butting welding
AU519329B2 (en) Butt-welding pipes
IT1052718B (it) Giunto per tubi..particolarmente per condutture sommerse
IT7925307A0 (it) Dispositivo di raccordo amovibile per linea di tubi.
IT1112366B (it) Raccordo per tubi