GB2266377B - A measuring instrument - Google Patents

A measuring instrument

Info

Publication number
GB2266377B
GB2266377B GB9305920A GB9305920A GB2266377B GB 2266377 B GB2266377 B GB 2266377B GB 9305920 A GB9305920 A GB 9305920A GB 9305920 A GB9305920 A GB 9305920A GB 2266377 B GB2266377 B GB 2266377B
Authority
GB
United Kingdom
Prior art keywords
measuring instrument
instrument
measuring
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 - Fee Related
Application number
GB9305920A
Other versions
GB9305920D0 (en
GB2266377A (en
Inventor
John Robert Cooper
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB929206198A external-priority patent/GB9206198D0/en
Application filed by Individual filed Critical Individual
Priority to GB9305920A priority Critical patent/GB2266377B/en
Publication of GB9305920D0 publication Critical patent/GB9305920D0/en
Publication of GB2266377A publication Critical patent/GB2266377A/en
Application granted granted Critical
Publication of GB2266377B publication Critical patent/GB2266377B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
    • G01B7/293—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures for measuring radius of curvature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
GB9305920A 1992-03-21 1993-03-22 A measuring instrument Expired - Fee Related GB2266377B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9305920A GB2266377B (en) 1992-03-21 1993-03-22 A measuring instrument

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929206198A GB9206198D0 (en) 1992-03-21 1992-03-21 A measuring instrument
GB9305920A GB2266377B (en) 1992-03-21 1993-03-22 A measuring instrument

Publications (3)

Publication Number Publication Date
GB9305920D0 GB9305920D0 (en) 1993-05-12
GB2266377A GB2266377A (en) 1993-10-27
GB2266377B true GB2266377B (en) 1996-06-12

Family

ID=26300568

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9305920A Expired - Fee Related GB2266377B (en) 1992-03-21 1993-03-22 A measuring instrument

Country Status (1)

Country Link
GB (1) GB2266377B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10107610B2 (en) * 2015-10-30 2018-10-23 Susan Jane Harford Electronic micrometer for measuring dimensions of a body and method of using

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030700A (en) * 1978-08-31 1980-04-10 Hoekstra O Spherometer
GB2087561A (en) * 1980-11-11 1982-05-26 Smt Pullmax Apparatus for measuring the curvature of a single-curved surface
GB2185818A (en) * 1984-04-04 1987-07-29 Bryan Dowdey Instrument to measure surface curvature
US4729174A (en) * 1986-07-15 1988-03-08 Pgl Corporation Method of determining circularity and mean radius of closed curved surface

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030700A (en) * 1978-08-31 1980-04-10 Hoekstra O Spherometer
GB2087561A (en) * 1980-11-11 1982-05-26 Smt Pullmax Apparatus for measuring the curvature of a single-curved surface
GB2185818A (en) * 1984-04-04 1987-07-29 Bryan Dowdey Instrument to measure surface curvature
US4729174A (en) * 1986-07-15 1988-03-08 Pgl Corporation Method of determining circularity and mean radius of closed curved surface

Also Published As

Publication number Publication date
GB9305920D0 (en) 1993-05-12
GB2266377A (en) 1993-10-27

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990322