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DE69825762D1 - Verfahren und vorrichtung zum steuern von rohrschweissen - Google Patents

Verfahren und vorrichtung zum steuern von rohrschweissen

Info

Publication number
DE69825762D1
DE69825762D1 DE69825762T DE69825762T DE69825762D1 DE 69825762 D1 DE69825762 D1 DE 69825762D1 DE 69825762 T DE69825762 T DE 69825762T DE 69825762 T DE69825762 T DE 69825762T DE 69825762 D1 DE69825762 D1 DE 69825762D1
Authority
DE
Germany
Prior art keywords
piping network
back pressure
purging gas
inert purging
welding
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
DE69825762T
Other languages
English (en)
Other versions
DE69825762T2 (de
Inventor
Byron G Barefoot
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE69825762D1 publication Critical patent/DE69825762D1/de
Application granted granted Critical
Publication of DE69825762T2 publication Critical patent/DE69825762T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B23K9/32—Accessories
    • B23K9/325—Devices for supplying or evacuating shielding gas
    • 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
    • B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
    • B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
    • B23K9/0286—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections with an electrode moving around the fixed tube during the welding operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding In General (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
DE69825762T 1997-05-23 1998-05-22 Verfahren und vorrichtung zum steuern von rohrschweissen Expired - Lifetime DE69825762T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US862481 1997-05-23
US08/862,481 US5864111A (en) 1997-05-23 1997-05-23 Method and device for controlling pipe welding
PCT/US1998/010553 WO1998052713A1 (en) 1997-05-23 1998-05-22 Method and device for controlling pipe welding

Publications (2)

Publication Number Publication Date
DE69825762D1 true DE69825762D1 (de) 2004-09-23
DE69825762T2 DE69825762T2 (de) 2005-09-01

Family

ID=25338602

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69825762T Expired - Lifetime DE69825762T2 (de) 1997-05-23 1998-05-22 Verfahren und vorrichtung zum steuern von rohrschweissen

Country Status (8)

Country Link
US (1) US5864111A (de)
EP (1) EP1011910B1 (de)
AT (1) ATE273766T1 (de)
AU (1) AU7593098A (de)
CA (1) CA2290951C (de)
DE (1) DE69825762T2 (de)
HK (1) HK1031352A1 (de)
WO (1) WO1998052713A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6073481A (en) * 1999-01-19 2000-06-13 Barefoot; Byron G. Attachment for sampling purge gas pressure at weld site
WO2001014094A1 (en) * 1999-08-25 2001-03-01 Swagelok Company Apparatus and method for welding duplex stainless steel
US6884963B1 (en) * 1999-08-25 2005-04-26 Swagelok Company Apparatus and method for welding duplex stainless steel
US6684722B1 (en) 2000-07-07 2004-02-03 Rob G. Parrish Aviatorial valve assembly
WO2003071265A1 (en) * 2002-02-22 2003-08-28 Dani Instruments S.P.A. Flow regulator device for an analytical circuit and its use in chromatography
US6648609B2 (en) * 2002-04-05 2003-11-18 Berger Instruments, Inc. Pump as a pressure source for supercritical fluid chromatography involving pressure regulators and a precision orifice
US7992760B2 (en) * 2005-02-09 2011-08-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Conduit purging device and method
FR2885825B1 (fr) * 2005-05-20 2008-12-19 Serimer Dasa Soc Par Actions S Dispositif pour le centrage et le serrage de pieces tubulaires
US20070045238A1 (en) * 2005-08-29 2007-03-01 Hamilton Sundstrand Method of welding material with reduced porosity
KR20090079956A (ko) * 2006-10-20 2009-07-22 스와겔로크 컴패니 전자적 흐름 제어를 이용하는 용접 퍼지 제어
JP5498673B2 (ja) 2008-01-18 2014-05-21 Ｈｏｙａ株式会社 内視鏡の配管接続部及びその製造方法
JP5114224B2 (ja) * 2008-01-23 2013-01-09 Ｈｏｙａ株式会社 内視鏡の配管部材の接続方法
DE102009020146B3 (de) * 2009-04-08 2010-06-10 V & M Deutschland Gmbh Verfahren und Vorrichtung zum Verbinden der Enden von Rohren aus Stahl mittels Orbitalschweißen in Hybridtechnik
US20110127238A1 (en) * 2009-11-27 2011-06-02 Kinetic Systems, Inc. Pipe welding purge gas controller
JP2011240390A (ja) * 2010-05-20 2011-12-01 Denso Corp レーザ溶接方法、及びその方法によって接合されるパイプ接合体。
US10589372B2 (en) * 2014-08-07 2020-03-17 Micro Motion, Inc. Method of and apparatus for controlling a weld penetration profile with application of shielding gas in an inner region of a workpiece
US10201871B2 (en) * 2015-02-02 2019-02-12 Illinois Tool Works Inc. Welding power system with integrated purge gas control
US9969031B2 (en) * 2015-03-02 2018-05-15 CRC—Evans Pipeline International, Inc. Near-weld purge gas delivery system
US11097367B2 (en) * 2015-05-21 2021-08-24 Illinois Tool Works Inc. System and method for reducing weld root concavity
DE102017121824A1 (de) * 2017-09-20 2019-03-21 Dockweiler Ag Verfahren zum Schweißen von Rohren für einen Transport von Reinstmedien
CN107742170A (zh) * 2017-10-25 2018-02-27 天津大学 一种雨水管网系统水力设计参数优化方法
WO2024173456A1 (en) * 2023-02-15 2024-08-22 Apparent Technologies, Inc. Systems for performing and cleaning an orbital weld and methods of using the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1333859A (fr) * 1962-06-19 1963-08-02 Régulateur de pression pour appareils à gaz
US3614378A (en) * 1969-11-28 1971-10-19 Mc Donnell Douglas Corp Fluxless high-frequency aluminum tube welding without inserts
US4723064A (en) * 1986-08-02 1988-02-02 Bothe Ii Bill A Purge gas system for welding pipes
US5304776A (en) * 1993-03-24 1994-04-19 Steven R. Buerkel System for welding pipes
US5390846A (en) * 1993-08-11 1995-02-21 Thode; Jonathan E. Welding gas purging apparatus and method
JP3298999B2 (ja) * 1993-08-24 2002-07-08 忠弘 大見 溶接部に酸化クロム不動態膜を形成する溶接方法及び溶接装置並びにプロセス装置
US5396039A (en) * 1993-11-24 1995-03-07 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for assembling piping or components by TIG welding

Also Published As

Publication number Publication date
EP1011910B1 (de) 2004-08-18
CA2290951A1 (en) 1998-11-26
WO1998052713A1 (en) 1998-11-26
HK1031352A1 (en) 2001-06-15
AU7593098A (en) 1998-12-11
CA2290951C (en) 2007-07-24
US5864111A (en) 1999-01-26
EP1011910A1 (de) 2000-06-28
DE69825762T2 (de) 2005-09-01
ATE273766T1 (de) 2004-09-15
EP1011910A4 (de) 2001-11-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition