FR933586A - Precision comparator for measuring internal threads - Google Patents

Precision comparator for measuring internal threads

Info

Publication number
FR933586A
FR933586A FR933586DA FR933586A FR 933586 A FR933586 A FR 933586A FR 933586D A FR933586D A FR 933586DA FR 933586 A FR933586 A FR 933586A
Authority
FR
France
Prior art keywords
internal threads
measuring internal
precision comparator
comparator
precision
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)
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Application granted granted Critical
Publication of FR933586A publication Critical patent/FR933586A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/46Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable
    • G01B3/48Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable for internal screw-threads

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR933586D 1940-08-30 1940-08-30 Precision comparator for measuring internal threads Expired FR933586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR933586T 1940-08-30

Publications (1)

Publication Number Publication Date
FR933586A true FR933586A (en) 1948-04-26

Family

ID=9455665

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933586D Expired FR933586A (en) 1940-08-30 1940-08-30 Precision comparator for measuring internal threads

Country Status (1)

Country Link
FR (1) FR933586A (en)

Similar Documents

Publication Publication Date Title
FR948532A (en) Devices for measuring distances
FR933586A (en) Precision comparator for measuring internal threads
FR875477A (en) Measuring instrument for bores and threads
FR901380A (en) Beehive divider
BE440229A (en) Goniometric arrangement for radiogeniometric bearings
FR874659A (en) equipment for measuring body dimensions
FR876924A (en) Extensometer for measurements over short distances
FR933585A (en) Internal thread measuring device
FR855006A (en) Instrument for measuring gravity
FR975598A (en) Microscope for measuring and checking divisions
FR875344A (en) Precision instrument for measuring gear teeth
FR933587A (en) Taper bore measuring device
FR892054A (en) Adjustable thread gauge
FR985446A (en) evaporator-exchanger for refrigeration machine
FR861591A (en) Installation for distance measurement
FR871496A (en) Angle measuring instrument
FR867616A (en) Device for measuring phase differences
FR881978A (en) Dehydrator-degreaser for gasifiers
FR898641A (en) Method for measuring slit widths
FR953762A (en) Instruments for dentist
ES149654A1 (en) DEVICE FOR MEASURING CURRENT SPEEDS
FR904335A (en) Mechanism for calculating machines
FR939309A (en) Radio-electric systems for distance measurement
FR914411A (en) Machine for counting tablets
FR870059A (en) Measuring spoon