FR1091817A - Method and instrument for measuring the diameter of small boreholes - Google Patents

Method and instrument for measuring the diameter of small boreholes

Info

Publication number
FR1091817A
FR1091817A FR1091817DA FR1091817A FR 1091817 A FR1091817 A FR 1091817A FR 1091817D A FR1091817D A FR 1091817DA FR 1091817 A FR1091817 A FR 1091817A
Authority
FR
France
Prior art keywords
instrument
measuring
diameter
small boreholes
boreholes
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
Pierre-Emile-Jean Henry
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 filed Critical
Application granted granted Critical
Publication of FR1091817A publication Critical patent/FR1091817A/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
    • G01B3/22Feeler-pin gauges, e.g. dial gauges
    • G01B3/26Plug gauges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1091817D 1953-10-16 1953-10-16 Method and instrument for measuring the diameter of small boreholes Expired FR1091817A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1091817T 1953-10-16

Publications (1)

Publication Number Publication Date
FR1091817A true FR1091817A (en) 1955-04-15

Family

ID=9615634

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1091817D Expired FR1091817A (en) 1953-10-16 1953-10-16 Method and instrument for measuring the diameter of small boreholes

Country Status (1)

Country Link
FR (1) FR1091817A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5551162A (en) * 1994-10-12 1996-09-03 Js Research And Development, Inc. Hand-held gap and contour measuring gauge
US5657550A (en) * 1994-10-12 1997-08-19 Js Research And Development, Inc. Hand-held gap and contour measuring gauge
US5768794A (en) * 1996-07-12 1998-06-23 Power House Tool, Inc. Electronic data recording taper gauge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5551162A (en) * 1994-10-12 1996-09-03 Js Research And Development, Inc. Hand-held gap and contour measuring gauge
US5657550A (en) * 1994-10-12 1997-08-19 Js Research And Development, Inc. Hand-held gap and contour measuring gauge
US5768794A (en) * 1996-07-12 1998-06-23 Power House Tool, Inc. Electronic data recording taper gauge

Similar Documents

Publication Publication Date Title
FR1056690A (en) Measuring apparatus and method
FR951306A (en) Chi-ray method and apparatus for measuring and testing
FR1077474A (en) Method and device for the manufacture of probes and similar instruments
FR1077235A (en) Structure for mechanisms and instruments for measuring time, and method of assembling this structure
FR1091817A (en) Method and instrument for measuring the diameter of small boreholes
CH341006A (en) Length measuring instrument
FR1267195A (en) Apparatus and method for measuring permeabilities
FR909955A (en) Method and device for comparative length measurement
FR951307A (en) Chi-ray test and measurement method and apparatus
FR992336A (en) Method and devices for measuring the dimensions of small openings
FR1035214A (en) Method and device for increasing the sensitivity of low current amplifiers
FR916264A (en) Method and apparatus for gauging and measuring
FR1139211A (en) Improved Precision Measurement and Calibration Apparatus and Method
FR1107136A (en) Measuring tool
FR1119688A (en) Angular displacement measuring method and apparatus
FR1136316A (en) Method and apparatus for measuring linear displacements
FR932443A (en) Method and apparatus for measuring electrochemical potentials
FR1095425A (en) Method and devices for measuring voltages and currents
FR1097349A (en) Method and apparatus for the electrical measurement of pressures and differential pressures
FR1103922A (en) Geophysical measurement method
FR1210676A (en) Method and apparatus for the measurement of single or triaxial residual internal voltages
FR1078138A (en) Instrument for plotting and measuring angles
FR921495A (en) Method and apparatus for measuring industrial and musical frequencies
FR915560A (en) Method and apparatus for determining the precision of movements, in particular in horology
FR911289A (en) Method and device for measuring torques