FR2110929A5 - - Google Patents

Info

Publication number
FR2110929A5
FR2110929A5 FR7135568A FR7135568A FR2110929A5 FR 2110929 A5 FR2110929 A5 FR 2110929A5 FR 7135568 A FR7135568 A FR 7135568A FR 7135568 A FR7135568 A FR 7135568A FR 2110929 A5 FR2110929 A5 FR 2110929A5
Authority
FR
France
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
FR7135568A
Other languages
French (fr)
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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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 Aluminum Company of America filed Critical Aluminum Company of America
Application granted granted Critical
Publication of FR2110929A5 publication Critical patent/FR2110929A5/fr
Priority to US00260175A priority Critical patent/US3806894A/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
    • B23K13/01—Welding by high-frequency current heating by induction heating
    • B23K13/02—Seam welding
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/25—Monitoring devices
    • B23K11/252—Monitoring devices using digital means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding Control (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR7135568A 1970-10-02 1971-10-01 Expired FR2110929A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US00260175A US3806894A (en) 1971-10-01 1972-06-06 Binary data information stores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7741170A 1970-10-02 1970-10-02

Publications (1)

Publication Number Publication Date
FR2110929A5 true FR2110929A5 (en) 1972-06-02

Family

ID=22137893

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7135568A Expired FR2110929A5 (en) 1970-10-02 1971-10-01

Country Status (3)

Country Link
DE (1) DE2149538B2 (en)
FR (1) FR2110929A5 (en)
GB (1) GB1309195A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2364451A1 (en) * 1976-09-10 1978-04-07 Mannesmann Ag CONTINUOUS AND NON-DESTRUCTIVE CONTROL PROCESS OF WELDED TUBES WITH LONGITUDINAL OR HELICOIDAL JOINT

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH618899A5 (en) * 1977-06-07 1980-08-29 Erik Allan Olsson
DE3238766A1 (en) * 1982-10-20 1984-04-26 Hoesch Werke Ag METHOD AND DEVICE FOR MONITORING AND / OR REGULATING THE WELDING CURRENT IN HIGH-FREQUENCY RESISTANT PRESSURE WELDING OF LENGTH SEW TUBES
CN115430813B (en) * 2022-08-31 2024-02-13 安阳钢铁股份有限公司 Method for prolonging service life of crystallizer of ultra-wide sheet billet continuous casting machine
US20240173713A1 (en) * 2022-09-01 2024-05-30 Cepheid Faulty unit detection system and methods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2364451A1 (en) * 1976-09-10 1978-04-07 Mannesmann Ag CONTINUOUS AND NON-DESTRUCTIVE CONTROL PROCESS OF WELDED TUBES WITH LONGITUDINAL OR HELICOIDAL JOINT

Also Published As

Publication number Publication date
DE2149538A1 (en) 1972-04-27
GB1309195A (en) 1973-03-07
DE2149538B2 (en) 1977-06-02

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Legal Events

Date Code Title Description
ST Notification of lapse