[go: up one dir, main page]

FR971995A - Improvements to devices for measuring the thickness of non-magnetic metal tubes - Google Patents

Improvements to devices for measuring the thickness of non-magnetic metal tubes

Info

Publication number
FR971995A
FR971995A FR971995DA FR971995A FR 971995 A FR971995 A FR 971995A FR 971995D A FR971995D A FR 971995DA FR 971995 A FR971995 A FR 971995A
Authority
FR
France
Prior art keywords
measuring
thickness
devices
magnetic metal
metal tubes
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
Other languages
French (fr)
Inventor
Louis Macardier
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Application granted granted Critical
Publication of FR971995A publication Critical patent/FR971995A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G01B7/312—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/107—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring objects while moving

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR971995D 1940-12-11 1940-12-11 Improvements to devices for measuring the thickness of non-magnetic metal tubes Expired FR971995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR971995T 1940-12-11

Publications (1)

Publication Number Publication Date
FR971995A true FR971995A (en) 1951-01-24

Family

ID=9515655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971995D Expired FR971995A (en) 1940-12-11 1940-12-11 Improvements to devices for measuring the thickness of non-magnetic metal tubes

Country Status (1)

Country Link
FR (1) FR971995A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035353A (en) * 1960-06-08 1962-05-22 William E Hovemeyer Interlinking flux electromagnetic gauge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035353A (en) * 1960-06-08 1962-05-22 William E Hovemeyer Interlinking flux electromagnetic gauge

Similar Documents

Publication Publication Date Title
FR836022A (en) Improvements to thickness gauges
FR862608A (en) Improvements to eddy current dynamometers
FR971995A (en) Improvements to devices for measuring the thickness of non-magnetic metal tubes
FR874659A (en) equipment for measuring body dimensions
FR876914A (en) Improvements to coupling devices
FR878101A (en) Improvements to devices for coating or coating solutions
FR821717A (en) Improvements to calipers
FR941863A (en) Improvements to devices for measuring quantities relative to dimensions of visual impressions
FR874627A (en) Improvements to mirrors for charged electrons or corpuscles
FR876922A (en) Improvements to magnetic suspension devices
FR819886A (en) Improvements to the controls of meters for motorcycles and cycles
FR871676A (en) Improvements to tuning indicator tubes
FR878966A (en) Double line for waves of the order of the decimeter
FR944935A (en) Improvements to devices for measuring the distance of a target
FR972357A (en) Ultra-shortwave amplifier tubes improvements
FR877042A (en) Process intended to reduce the sensitivity to notches and the brittleness of welding of steels
FR882565A (en) Improvements to gear changes for cycles
FR871340A (en) Direction indicator for bicycles
FR866058A (en) Improvements to electronic tubes
FR805945A (en) Improvements to measuring devices
FR931248A (en) Improvements to joints for pipes
FR919001A (en) Improvements to devices for measuring the intensity of high-frequency electric fields
FR868764A (en) Improvements made to locking nut devices
FR870074A (en) Improvements to magnetic tachometers
FR874829A (en) Improvements to tuning indicators for receivers