CA989945A - Method and apparatus for control of weld temperature in a high frequency electric resistance welded pipe mill - Google Patents

Method and apparatus for control of weld temperature in a high frequency electric resistance welded pipe mill

Info

Publication number
CA989945A
CA989945A CA211,178A CA211178A CA989945A CA 989945 A CA989945 A CA 989945A CA 211178 A CA211178 A CA 211178A CA 989945 A CA989945 A CA 989945A
Authority
CA
Canada
Prior art keywords
high frequency
control
electric resistance
frequency electric
welded pipe
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
Application number
CA211,178A
Other languages
English (en)
Other versions
CA211178S (en
Inventor
Howard J. Bowman
Donald G. Schindler
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.)
USS Engineers and Consultants Inc
Original Assignee
USS Engineers and Consultants Inc
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 USS Engineers and Consultants Inc filed Critical USS Engineers and Consultants Inc
Application granted granted Critical
Publication of CA989945A publication Critical patent/CA989945A/en
Expired 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
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/04—Welding by high-frequency current heating by conduction heating
    • B23K13/043—Seam welding
    • B23K13/046—Seam welding for tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Control Of Metal Rolling (AREA)
  • Feedback Control In General (AREA)
CA211,178A 1973-10-11 1974-10-10 Method and apparatus for control of weld temperature in a high frequency electric resistance welded pipe mill Expired CA989945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US405369A US3899651A (en) 1973-10-11 1973-10-11 Method and apparatus for control of weld temperature in a high frequency electric resistance welded pipe mill

Publications (1)

Publication Number Publication Date
CA989945A true CA989945A (en) 1976-05-25

Family

ID=23603422

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211,178A Expired CA989945A (en) 1973-10-11 1974-10-10 Method and apparatus for control of weld temperature in a high frequency electric resistance welded pipe mill

Country Status (11)

Country Link
US (1) US3899651A (it)
JP (1) JPS5087943A (it)
BE (1) BE820709A (it)
CA (1) CA989945A (it)
DE (1) DE2447973A1 (it)
FR (1) FR2247312B1 (it)
GB (1) GB1492594A (it)
IT (1) IT1024587B (it)
PL (1) PL110411B1 (it)
RO (1) RO64708A (it)
SU (1) SU845760A3 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52155155A (en) * 1976-06-18 1977-12-23 Nippon Steel Corp Welding current detecting means
JPS5321058A (en) * 1976-08-11 1978-02-27 Nippon Steel Corp Method of detecting effective current in high frequency welding
DE2850978C2 (de) * 1978-11-21 1982-04-08 Mannesmann AG, 4000 Düsseldorf Verfahren zum Regeln des Schweißvorganges bei der Herstellung von Längsnahtrohren
US4287402A (en) * 1979-06-07 1981-09-01 Mannesmann Ag. Controlling upsetting during welding of a split tube
JPS5823106A (ja) * 1981-07-31 1983-02-10 株式会社日立製作所 巻線用電線及びこれを用いたコイル
US5376766A (en) * 1993-07-08 1994-12-27 Valmont Industries, Inc. Weld quality monitoring and control system for a tube mill
CN105543468B (zh) * 2015-12-24 2017-12-29 燕山大学 一种脉冲电流辅助焊管高频焊接后焊缝组织细化的装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548141A (en) * 1968-09-23 1970-12-15 Taylor Forge Inc Method and apparatus for forming tubing
CH512943A (it) * 1968-09-28 1971-09-30 Dalmine Spa Procedimento e dispositivo per la saldatura autoregolata di tubi metallici saldati longitudinalmente

Also Published As

Publication number Publication date
JPS5087943A (it) 1975-07-15
RO64708A (ro) 1980-06-15
SU845760A3 (ru) 1981-07-07
FR2247312A1 (it) 1975-05-09
IT1024587B (it) 1978-07-20
US3899651A (en) 1975-08-12
GB1492594A (en) 1977-11-23
FR2247312B1 (it) 1978-04-28
DE2447973A1 (de) 1975-04-24
BE820709A (fr) 1975-04-04
PL110411B1 (en) 1980-07-31

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