GB2072837B - Dimension determining apparatus - Google Patents

Dimension determining apparatus

Info

Publication number
GB2072837B
GB2072837B GB8107527A GB8107527A GB2072837B GB 2072837 B GB2072837 B GB 2072837B GB 8107527 A GB8107527 A GB 8107527A GB 8107527 A GB8107527 A GB 8107527A GB 2072837 B GB2072837 B GB 2072837B
Authority
GB
United Kingdom
Prior art keywords
determining apparatus
dimension determining
dimension
determining
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
GB8107527A
Other versions
GB2072837A (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.)
Diffracto Ltd Canada
Original Assignee
Diffracto Ltd Canada
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 Diffracto Ltd Canada filed Critical Diffracto Ltd Canada
Priority to GB8107527A priority Critical patent/GB2072837B/en
Publication of GB2072837A publication Critical patent/GB2072837A/en
Application granted granted Critical
Publication of GB2072837B publication Critical patent/GB2072837B/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
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/08Measuring arrangements characterised by the use of optical techniques for measuring diameters
    • G01B11/12Measuring arrangements characterised by the use of optical techniques for measuring diameters internal diameters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB8107527A 1981-03-10 1981-03-10 Dimension determining apparatus Expired GB2072837B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8107527A GB2072837B (en) 1981-03-10 1981-03-10 Dimension determining apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8107527A GB2072837B (en) 1981-03-10 1981-03-10 Dimension determining apparatus

Publications (2)

Publication Number Publication Date
GB2072837A GB2072837A (en) 1981-10-07
GB2072837B true GB2072837B (en) 1984-08-08

Family

ID=10520287

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8107527A Expired GB2072837B (en) 1981-03-10 1981-03-10 Dimension determining apparatus

Country Status (1)

Country Link
GB (1) GB2072837B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255300A3 (en) * 1986-07-29 1989-04-26 Unisearch Limited High sensitivity strain detector
FR2693267B1 (en) * 1992-07-03 1994-10-07 France Telecom Very precise device for measuring the internal diameter of a tube over a long length.
FR2847338A1 (en) * 2002-11-15 2004-05-21 Innov Pro Equipment for continuously measuring the internal diameter variations of conduit, comprises cylinder with feeler fingers connected to reflectors mounted around a rotating laser beam telemeter

Also Published As

Publication number Publication date
GB2072837A (en) 1981-10-07

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Legal Events

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