[go: up one dir, main page]

FR842680A - Improvements made to devices for measuring or controlling the dimensions of parts - Google Patents

Improvements made to devices for measuring or controlling the dimensions of parts

Info

Publication number
FR842680A
FR842680A FR842680DA FR842680A FR 842680 A FR842680 A FR 842680A FR 842680D A FR842680D A FR 842680DA FR 842680 A FR842680 A FR 842680A
Authority
FR
France
Prior art keywords
dimensions
measuring
controlling
devices
parts
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.)
Materiel Automobile SA Const
Original Assignee
Materiel Automobile SA Const
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 Materiel Automobile SA Const filed Critical Materiel Automobile SA Const
Application granted granted Critical
Publication of FR842680A publication Critical patent/FR842680A/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
    • G01B13/00Measuring arrangements characterised by the use of fluids
    • G01B13/02Measuring arrangements characterised by the use of fluids for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Fluid Pressure (AREA)
FR842680D 1938-02-19 1938-02-19 Improvements made to devices for measuring or controlling the dimensions of parts Expired FR842680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR842680T 1938-02-19

Publications (1)

Publication Number Publication Date
FR842680A true FR842680A (en) 1939-06-16

Family

ID=9311562

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842680D Expired FR842680A (en) 1938-02-19 1938-02-19 Improvements made to devices for measuring or controlling the dimensions of parts

Country Status (2)

Country Link
FR (1) FR842680A (en)
GB (1) GB508828A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486052A (en) * 1945-10-25 1949-10-25 Moore Products Co Pneumatic comparator gauge
US2778218A (en) * 1953-09-28 1957-01-22 Charles L Sault Meter and tank calibrating equipment
US2790320A (en) * 1954-01-11 1957-04-30 Acf Ind Inc Pneumatic flow-measuring device for fuel jets
US4128002A (en) * 1975-06-16 1978-12-05 Automatic Oil Tools Limited Meter proving apparatus
GB2410332A (en) * 2004-01-20 2005-07-27 Duncan Clive Selby Device for protecting a differential pressure sensor
CN106681383B (en) * 2017-01-23 2023-07-28 中国科学院理化技术研究所 A high-precision pressure control device

Also Published As

Publication number Publication date
GB508828A (en) 1939-07-06

Similar Documents

Publication Publication Date Title
FR862700A (en) Improvements to links for tracks or tracks
FR838484A (en) Improvements to the rules for calculating masonry brick devices
FR842680A (en) Improvements made to devices for measuring or controlling the dimensions of parts
FR852599A (en) Improvements to the control surfaces of aerodynes
FR870862A (en) Improvements to the handles for cycles or similar devices
FR863434A (en) Improvements to devices for limb fractures
FR859331A (en) Fitting for fluid lines
FR861123A (en) Improvements to joints for pipes
FR878101A (en) Improvements to devices for coating or coating solutions
FR849359A (en) Improvements to devices to reduce vibrations
FR848160A (en) Improvements to lubrication devices
FR863433A (en) Improvements to devices for limb fractures
FR870522A (en) Device for the construction of concrete coverings
FR856946A (en) Improvements to sedimentation devices
FR837386A (en) Improvements to cases for table utensils
FR882565A (en) Improvements to gear changes for cycles
FR858172A (en) Improvements to pipe fittings
FR842899A (en) Improvements relating to faucets
FR862898A (en) Improvements to devices for the electro-thermal treatment of parts
FR860286A (en) Improvements to the slabs
FR855439A (en) Improvements to valves for sensitive instruments
FR867244A (en) Improvements to the means to study or determine the conditions of friction between surfaces
FR836265A (en) Improvements to taps, especially for threaded pipe connections
FR855396A (en) Improvements to control valves for fluids
FR855696A (en) Improvements to gear changes for cycles