GB2087082B - Electrically testing for straightness and evenness - Google Patents

Electrically testing for straightness and evenness

Info

Publication number
GB2087082B
GB2087082B GB8132739A GB8132739A GB2087082B GB 2087082 B GB2087082 B GB 2087082B GB 8132739 A GB8132739 A GB 8132739A GB 8132739 A GB8132739 A GB 8132739A GB 2087082 B GB2087082 B GB 2087082B
Authority
GB
United Kingdom
Prior art keywords
evenness
straightness
electrically testing
testing
electrically
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
GB8132739A
Other versions
GB2087082A (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.)
Jenoptik AG
Original Assignee
Carl Zeiss Jena GmbH
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 Carl Zeiss Jena GmbH filed Critical Carl Zeiss Jena GmbH
Publication of GB2087082A publication Critical patent/GB2087082A/en
Application granted granted Critical
Publication of GB2087082B publication Critical patent/GB2087082B/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
    • G01B13/00—Measuring arrangements characterised by the use of fluids
    • G01B13/22—Measuring arrangements characterised by the use of fluids for measuring roughness or irregularity of surfaces
    • 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
    • G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
    • G01B7/345—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces for measuring evenness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
GB8132739A 1980-11-03 1981-10-30 Electrically testing for straightness and evenness Expired GB2087082B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD22490780A DD159362B1 (en) 1980-11-03 1980-11-03 ARRANGEMENT FOR TURNING VOLUME CHANGE EFFECTS ON A DEVICE FOR STRAIGHT & LEVEL MEASUREMENT

Publications (2)

Publication Number Publication Date
GB2087082A GB2087082A (en) 1982-05-19
GB2087082B true GB2087082B (en) 1985-04-03

Family

ID=5527007

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8132739A Expired GB2087082B (en) 1980-11-03 1981-10-30 Electrically testing for straightness and evenness

Country Status (6)

Country Link
JP (1) JPS57114804A (en)
CH (1) CH654915A5 (en)
DD (1) DD159362B1 (en)
DE (1) DE3131084A1 (en)
FR (1) FR2493512B1 (en)
GB (1) GB2087082B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603485A (en) * 1985-09-23 1986-08-05 Kearney & Trecker Corporation Leveling apparatus
JPH02210212A (en) * 1989-02-10 1990-08-21 Fujita Corp Automatic measurement system for vertical displacement of film roof
CA2030030A1 (en) * 1989-12-18 1991-06-19 Albert Bertoti Hydro-pneumatic level
DE4005740A1 (en) * 1990-02-23 1991-08-29 Edwin Meier Horizontal inclinometer for monitoring ground shifts - has changeover liq. switch in lines from end containers to differential pressure transducer
US5726365A (en) * 1994-01-05 1998-03-10 The Stanley Works Hydrostatic altimeter
DE10203231C1 (en) * 2002-01-21 2003-09-11 Bam Bundesanstalt Matforschung Hydrostatic hose balance has connected containers, each with float(s) partly immersed in liquid with force sensor(s) that interacts with float only within defined range of relative level state
CN107246837A (en) * 2017-05-19 2017-10-13 来安县华鹏摩擦材料厂 A kind of brake clutch piece roughness detection equipments

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE385512A (en) * 1932-01-08
US2532883A (en) * 1945-04-30 1950-12-05 Bryant Condenser means for measuring level conditions
US2922971A (en) * 1956-03-28 1960-01-26 Sheffield Corp Gaging device
AU408891B2 (en) * 1967-09-11 1970-12-11 Theuniversity Of Queensland Tilt meter
DE1912329A1 (en) * 1968-03-11 1969-10-09 Teijin Ltd Device for measuring the denier of yarn
FR2308913A1 (en) * 1975-04-23 1976-11-19 Sncf DISPLACEMENT SENSOR CALIBRATION DEVICE
DD125440A1 (en) * 1976-04-13 1977-04-20 Zeiss Jena Veb Carl ARRANGEMENT FOR STRAIGHT AND LEVEL MEASUREMENT
DE2618324A1 (en) * 1976-04-27 1977-11-17 Josef Bieber LEVELING BUTTON MODE
US4145817A (en) * 1977-09-28 1979-03-27 Ager Charles A Elevation measuring apparatus

Also Published As

Publication number Publication date
DD159362B1 (en) 1986-07-16
FR2493512B1 (en) 1986-06-06
DE3131084A1 (en) 1982-06-09
JPS57114804A (en) 1982-07-16
FR2493512A1 (en) 1982-05-07
CH654915A5 (en) 1986-03-14
GB2087082A (en) 1982-05-19
DD159362A1 (en) 1983-03-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee