GB2306006B - Thickness measurement - Google Patents

Thickness measurement

Info

Publication number
GB2306006B
GB2306006B GB9618261A GB9618261A GB2306006B GB 2306006 B GB2306006 B GB 2306006B GB 9618261 A GB9618261 A GB 9618261A GB 9618261 A GB9618261 A GB 9618261A GB 2306006 B GB2306006 B GB 2306006B
Authority
GB
United Kingdom
Prior art keywords
thickness measurement
measurement
thickness
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
GB9618261A
Other versions
GB2306006A (en
GB2306006A8 (en
GB9618261D0 (en
Inventor
Kenneth Leslie Hawes
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.)
Car Light & Sound Sys Ltd
Original Assignee
Car Light & Sound Sys 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
Application filed by Car Light & Sound Sys Ltd filed Critical Car Light & Sound Sys Ltd
Publication of GB9618261D0 publication Critical patent/GB9618261D0/en
Publication of GB2306006A publication Critical patent/GB2306006A/en
Application granted granted Critical
Publication of GB2306006B publication Critical patent/GB2306006B/en
Publication of GB2306006A8 publication Critical patent/GB2306006A8/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
    • G01B7/02—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
    • G01B17/025—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness for measuring thickness of coating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB9618261A 1995-10-06 1996-09-02 Thickness measurement Expired - Fee Related GB2306006B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9520414.5A GB9520414D0 (en) 1995-10-06 1995-10-06 Thickness measurement

Publications (4)

Publication Number Publication Date
GB9618261D0 GB9618261D0 (en) 1996-10-16
GB2306006A GB2306006A (en) 1997-04-23
GB2306006B true GB2306006B (en) 1999-08-04
GB2306006A8 GB2306006A8 (en) 2000-07-27

Family

ID=10781871

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9520414.5A Pending GB9520414D0 (en) 1995-10-06 1995-10-06 Thickness measurement
GB9618261A Expired - Fee Related GB2306006B (en) 1995-10-06 1996-09-02 Thickness measurement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9520414.5A Pending GB9520414D0 (en) 1995-10-06 1995-10-06 Thickness measurement

Country Status (1)

Country Link
GB (2) GB9520414D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19829294A1 (en) * 1998-06-30 2000-01-05 Byk Gardner Gmbh Device and method for the quantified determination of the quality of coated surfaces
GB0216981D0 (en) 2002-07-22 2002-08-28 Borealis Tech Oy Testing steel members
DE10252541B4 (en) * 2002-11-08 2016-08-11 Immobiliengesellschaft Helmut Fischer Gmbh & Co. Kg Device for nondestructive measurement of the thickness of thin layers
DE102006042446A1 (en) * 2006-09-09 2008-03-27 Bayerische Motoren Werke Ag Ultrasonic measuring device calibrating method for determining thickness of individual layers of multi-layered lacquer structure in automobile lacquer, involves covering one of layers of steel plate with coverings at different sections

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5062298A (en) * 1989-12-05 1991-11-05 E. I. Du Pont De Nemours And Company Non-contact wet or dry film thickness measuring device using eddy current and ultrasonic sensors
US5225148A (en) * 1990-06-08 1993-07-06 Framatome Method for checking the thickness and the cohesion of the interface of a duplex tube
US5418823A (en) * 1994-01-04 1995-05-23 General Electric Company Combined ultrasonic and eddy-current method and apparatus for non-destructive testing of tubular objects to determine thickness of metallic linings or coatings

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5062298A (en) * 1989-12-05 1991-11-05 E. I. Du Pont De Nemours And Company Non-contact wet or dry film thickness measuring device using eddy current and ultrasonic sensors
US5225148A (en) * 1990-06-08 1993-07-06 Framatome Method for checking the thickness and the cohesion of the interface of a duplex tube
US5329561A (en) * 1990-06-08 1994-07-12 Framatome Device for checking the thickness and the cohesion of the interface of a duplex tube
US5418823A (en) * 1994-01-04 1995-05-23 General Electric Company Combined ultrasonic and eddy-current method and apparatus for non-destructive testing of tubular objects to determine thickness of metallic linings or coatings

Also Published As

Publication number Publication date
GB2306006A (en) 1997-04-23
GB9520414D0 (en) 1995-12-06
GB2306006A8 (en) 2000-07-27
GB9618261D0 (en) 1996-10-16

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Legal Events

Date Code Title Description
711B Application made for correction of error (sect. 117/77)
711L Appl. made for correction of error (sect. 117/77) now open to opposition
711G Correction allowed (sect. 117/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070902