IT1053392B - Perfezionamento nei sistemi per la saldatura di testa di tubi di grande diametro - Google Patents

Perfezionamento nei sistemi per la saldatura di testa di tubi di grande diametro

Info

Publication number
IT1053392B
IT1053392B IT47712/76A IT4771276A IT1053392B IT 1053392 B IT1053392 B IT 1053392B IT 47712/76 A IT47712/76 A IT 47712/76A IT 4771276 A IT4771276 A IT 4771276A IT 1053392 B IT1053392 B IT 1053392B
Authority
IT
Italy
Prior art keywords
improvement
large diameter
welding systems
diameter tubes
head welding
Prior art date
Application number
IT47712/76A
Other languages
English (en)
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Application granted granted Critical
Publication of IT1053392B publication Critical patent/IT1053392B/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
    • B23K9/035—Seam welding; Backing means; Inserts with backing means disposed under the seam

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
IT47712/76A 1975-01-21 1976-01-20 Perfezionamento nei sistemi per la saldatura di testa di tubi di grande diametro IT1053392B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/542,713 US3940048A (en) 1975-01-21 1975-01-21 Device for backing butt-welds between tubes

Publications (1)

Publication Number Publication Date
IT1053392B true IT1053392B (it) 1981-08-31

Family

ID=24164974

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47712/76A IT1053392B (it) 1975-01-21 1976-01-20 Perfezionamento nei sistemi per la saldatura di testa di tubi di grande diametro

Country Status (10)

Country Link
US (1) US3940048A (it)
JP (1) JPS5197552A (it)
AU (1) AU500897B2 (it)
DE (1) DE2602345A1 (it)
FR (1) FR2298403A1 (it)
GB (1) GB1518891A (it)
IT (1) IT1053392B (it)
NL (1) NL7600599A (it)
SE (1) SE7600529L (it)
ZA (1) ZA757411B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201326A (en) * 1978-04-03 1980-05-06 Crutcher Resources Corporation Pivotal back-up pads for welding
US4285458A (en) * 1979-09-27 1981-08-25 Midcon Pipeline Equipment Co. Welding backup shoe apparatus
JPS60210391A (ja) * 1984-03-31 1985-10-22 Okamoto Kogyo Kk パイプ内側クランプ装置
US6484924B1 (en) 2001-08-14 2002-11-26 The Boeing Company Method and apparatus for backing up a friction stir weld joint
US7410087B1 (en) 2003-06-18 2008-08-12 Owensby Howard S Welding backup systems for heat-sink or purge purposes
US7690549B1 (en) 2003-06-18 2010-04-06 Owensby Howard S Purge line for welding backup
US7028881B2 (en) * 2003-09-18 2006-04-18 Siemens Power Generation, Inc. Method for providing removable weld backing
GB2446380A (en) * 2007-02-08 2008-08-13 Saipem Spa Back Support Pad
CN104889530B (zh) * 2015-06-23 2017-05-03 广州增立钢管结构股份有限公司 用于对接钢管的衬垫结构及焊接方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US478024A (en) * 1892-06-28 Sewer
DE615003C (de) * 1931-10-13 1935-06-24 Siemens Schuckertwerke Akt Ges Unterlage zur Abdeckung der Stossfuge von durch eine Rundnaht zu verschweissenden Rohrschuessen o. dgl. auf der Innenseite
US2321308A (en) * 1942-04-15 1943-06-08 Westinghouse Electric & Mfg Co Weld backing construction
US2472523A (en) * 1945-05-24 1949-06-07 John J Dillon Backing or chill ring
US2780194A (en) * 1952-07-11 1957-02-05 Smith Corp A O Internal back-up clamp for girth welding
US3165082A (en) * 1960-06-13 1965-01-12 Roscoe Moss Company Weld-controlling, pipe-aligning band
FR1368296A (fr) * 1963-06-20 1964-07-31 Ferodo Sa Dispositif d'assemblage de tuyaux métalliques soudés
US3806020A (en) * 1972-05-12 1974-04-23 Exxon Research Engineering Co Apparatus for welding of pipe by use of explosives

Also Published As

Publication number Publication date
AU1043176A (en) 1977-07-28
FR2298403A1 (fr) 1976-08-20
ZA757411B (en) 1976-10-27
DE2602345A1 (de) 1976-07-22
NL7600599A (nl) 1976-07-23
AU500897B2 (en) 1979-06-07
SE7600529L (sv) 1976-07-22
JPS5197552A (it) 1976-08-27
US3940048A (en) 1976-02-24
GB1518891A (en) 1978-07-26

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