FR2497347B1 - - Google Patents

Info

Publication number
FR2497347B1
FR2497347B1 FR8027898A FR8027898A FR2497347B1 FR 2497347 B1 FR2497347 B1 FR 2497347B1 FR 8027898 A FR8027898 A FR 8027898A FR 8027898 A FR8027898 A FR 8027898A FR 2497347 B1 FR2497347 B1 FR 2497347B1
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
FR8027898A
Other languages
French (fr)
Other versions
FR2497347A1 (en
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.)
Societe Industrielle de Construction dAppareils et de Materiel Electriques SICAME SAS
Original Assignee
Societe Industrielle de Construction dAppareils et de Materiel Electriques SICAME SAS
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 Societe Industrielle de Construction dAppareils et de Materiel Electriques SICAME SAS filed Critical Societe Industrielle de Construction dAppareils et de Materiel Electriques SICAME SAS
Priority to FR8027898A priority Critical patent/FR2497347A1/en
Publication of FR2497347A1 publication Critical patent/FR2497347A1/en
Application granted granted Critical
Publication of FR2497347B1 publication Critical patent/FR2497347B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
    • B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
    • B25B23/1425—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters by electrical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/225—Measuring circuits therefor
    • G01L1/2256—Measuring circuits therefor involving digital counting
FR8027898A 1980-12-31 1980-12-31 Electronic dynamometer key for electric cable repair - has strain gauge and comparator providing signal when max. required torque is attained Granted FR2497347A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8027898A FR2497347A1 (en) 1980-12-31 1980-12-31 Electronic dynamometer key for electric cable repair - has strain gauge and comparator providing signal when max. required torque is attained

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8027898A FR2497347A1 (en) 1980-12-31 1980-12-31 Electronic dynamometer key for electric cable repair - has strain gauge and comparator providing signal when max. required torque is attained

Publications (2)

Publication Number Publication Date
FR2497347A1 FR2497347A1 (en) 1982-07-02
FR2497347B1 true FR2497347B1 (en) 1983-10-28

Family

ID=9249692

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8027898A Granted FR2497347A1 (en) 1980-12-31 1980-12-31 Electronic dynamometer key for electric cable repair - has strain gauge and comparator providing signal when max. required torque is attained

Country Status (1)

Country Link
FR (1) FR2497347A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3228086A1 (en) * 1982-07-28 1984-02-16 Dipl.-Ing. Peter Pohl GmbH, 4010 Hilden TORQUE WRENCH WITH ELECTRONIC MEASUREMENT, EVALUATION AND DISPLAY
FR2538741A1 (en) * 1982-12-30 1984-07-06 Facom Torque wrench with electrical extensometers
FR2568010B1 (en) * 1984-07-23 1987-05-15 Stephanoises Forges ELECTRONIC DYNAMOMETRIC KEY
FR2626514B1 (en) * 1988-02-03 1990-06-08 Seb Sa DYNAMOMETRIC WRENCH WITH EXTENSOMETRY GAUGES
FR3041719B1 (en) * 2015-09-25 2017-10-20 Schneider Electric Ind Sas DEVICE FOR MONITORING THE TEMPERATURE AND TIGHTENING OF A SCREW
CN113967885A (en) * 2021-11-11 2022-01-25 广西电网有限责任公司来宾供电局 Detachable torque display insulating ratchet wrench and using method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913690A (en) * 1958-02-10 1959-11-17 Baldwin Lima Hamilton Corp Angular position transducers
US3621285A (en) * 1969-10-30 1971-11-16 Nasa Pulsed excitation voltage circuit for transducers
FR2244167A1 (en) * 1973-09-13 1975-04-11 Devidal Alain Device for controlling force during screwing - utilises strain gauge in bridge circuit which signals excess force
US3970155A (en) * 1974-01-14 1976-07-20 Jo-Line Tools, Inc. Electronic torque wrench
GB1492984A (en) * 1974-02-26 1977-11-23 Loughborough Consult Ltd Tools for tightening threaded fastenings
US4125016A (en) * 1976-07-06 1978-11-14 Gse, Inc. Battery operated torque wrench with digital display
US4199032A (en) * 1978-02-17 1980-04-22 Weatherford/Lamb, Inc. Apparatus for measuring and controlling a force

Also Published As

Publication number Publication date
FR2497347A1 (en) 1982-07-02

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Legal Events

Date Code Title Description
ST Notification of lapse