GB1568153A - Apparatus for measuring coating thicknesses on arcuate surfaces - Google Patents

Apparatus for measuring coating thicknesses on arcuate surfaces Download PDF

Info

Publication number
GB1568153A
GB1568153A GB1814777A GB1814777A GB1568153A GB 1568153 A GB1568153 A GB 1568153A GB 1814777 A GB1814777 A GB 1814777A GB 1814777 A GB1814777 A GB 1814777A GB 1568153 A GB1568153 A GB 1568153A
Authority
GB
United Kingdom
Prior art keywords
thickness
arcuate
measuring
voltages
metallic coating
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
GB1814777A
Other languages
English (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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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 CA251,517A external-priority patent/CA1044010A/en
Priority claimed from CA251,557A external-priority patent/CA1038038A/en
Priority claimed from CA251,592A external-priority patent/CA1037563A/en
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of GB1568153A publication Critical patent/GB1568153A/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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/125—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters of objects while moving
    • 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
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • 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
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/105—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring thickness of coating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
GB1814777A 1976-04-30 1977-04-29 Apparatus for measuring coating thicknesses on arcuate surfaces Expired GB1568153A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CA251,517A CA1044010A (en) 1976-04-30 1976-04-30 Mounting of a measuring head for positioning relative to a structure
CA251,557A CA1038038A (en) 1976-04-30 1976-04-30 Apparatus for measuring and indicating the thickness of non-metallic coatings
CA251,592A CA1037563A (en) 1976-04-30 1976-04-30 Wall thickness measuring head for non-metallic coatings
CA251556 1976-04-30

Publications (1)

Publication Number Publication Date
GB1568153A true GB1568153A (en) 1980-05-29

Family

ID=27425911

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1814777A Expired GB1568153A (en) 1976-04-30 1977-04-29 Apparatus for measuring coating thicknesses on arcuate surfaces

Country Status (4)

Country Link
JP (1) JPS52141657A (US07709020-20100504-C00032.png)
DE (1) DE2719565C2 (US07709020-20100504-C00032.png)
GB (1) GB1568153A (US07709020-20100504-C00032.png)
SE (1) SE441036B (US07709020-20100504-C00032.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2121544A (en) * 1982-06-04 1983-12-21 Sidco Sa Eddy-current testing apparatus for checking features of parts

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3477134A (en) * 1966-09-13 1969-11-11 Goodrich Co B F Hose testing apparatus
CH537002A (de) * 1970-04-24 1973-05-15 Zumbach Electronic Automatic Verfahren und Vorrichtung zur Messung einer Isolierschichtdicke
US3919628A (en) * 1974-04-26 1975-11-11 Republic Steel Corp Method and apparatus for rotating a flaw detector about a test piece and guiding it relative to undulations and bends

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2121544A (en) * 1982-06-04 1983-12-21 Sidco Sa Eddy-current testing apparatus for checking features of parts

Also Published As

Publication number Publication date
JPS52141657A (en) 1977-11-26
SE441036B (sv) 1985-09-02
SE7705074L (sv) 1977-10-31
DE2719565A1 (de) 1977-11-10
JPS638401B2 (US07709020-20100504-C00032.png) 1988-02-23
DE2719565C2 (de) 1987-02-12

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Legal Events

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