FR2180741B1 - - Google Patents

Info

Publication number
FR2180741B1
FR2180741B1 FR7312809A FR7312809A FR2180741B1 FR 2180741 B1 FR2180741 B1 FR 2180741B1 FR 7312809 A FR7312809 A FR 7312809A FR 7312809 A FR7312809 A FR 7312809A FR 2180741 B1 FR2180741 B1 FR 2180741B1
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
FR7312809A
Other languages
French (fr)
Other versions
FR2180741A1 (en:Method
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.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim GmbH
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 Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of FR2180741A1 publication Critical patent/FR2180741A1/fr
Application granted granted Critical
Publication of FR2180741B1 publication Critical patent/FR2180741B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
    • G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
    • 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
    • B23K11/251—Monitoring devices using analog means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Resistance Welding (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR7312809A 1972-04-20 1973-04-10 Expired FR2180741B1 (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722219284 DE2219284C3 (de) 1972-04-20 1972-04-20 Verfahren und Einrichtung zum Messen des Widerstandes, insbesondere des Gesamtwiderstandes beim Widerstandspunktschweißen

Publications (2)

Publication Number Publication Date
FR2180741A1 FR2180741A1 (en:Method) 1973-11-30
FR2180741B1 true FR2180741B1 (en:Method) 1976-05-21

Family

ID=5842665

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7312809A Expired FR2180741B1 (en:Method) 1972-04-20 1973-04-10

Country Status (7)

Country Link
AT (1) AT333378B (en:Method)
CH (1) CH560906A5 (en:Method)
DE (1) DE2219284C3 (en:Method)
FR (1) FR2180741B1 (en:Method)
GB (1) GB1370869A (en:Method)
IT (1) IT980261B (en:Method)
NL (1) NL7305369A (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106493A3 (en) * 1982-09-10 1986-02-05 The Welding Institute Monitoring in-service resistance of ac conductors
GB2139361B (en) * 1983-12-30 1985-06-05 Metal Box Plc Monitoring weld voltages
US4639569A (en) * 1985-04-01 1987-01-27 Unitek Corporation Weld resistance measuring apparatus for a spot welder
NL1028829C2 (nl) 2005-04-20 2006-10-23 Fontijne Grotnes B V Werkwijze en systeem voor het aan elkaar lassen van delen.

Also Published As

Publication number Publication date
FR2180741A1 (en:Method) 1973-11-30
DE2219284C3 (de) 1975-10-23
GB1370869A (en) 1974-10-16
NL7305369A (en:Method) 1973-10-23
DE2219284A1 (de) 1973-11-08
CH560906A5 (en:Method) 1975-04-15
IT980261B (it) 1974-09-30
AT333378B (de) 1976-11-25
ATA192473A (de) 1976-03-15
DE2219284B2 (de) 1975-02-27

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Legal Events

Date Code Title Description
ST Notification of lapse