JPS638401B2 - - Google Patents
Info
- Publication number
- JPS638401B2 JPS638401B2 JP5062277A JP5062277A JPS638401B2 JP S638401 B2 JPS638401 B2 JP S638401B2 JP 5062277 A JP5062277 A JP 5062277A JP 5062277 A JP5062277 A JP 5062277A JP S638401 B2 JPS638401 B2 JP S638401B2
- Authority
- JP
- Japan
- Prior art keywords
- thickness
- cable
- detection head
- detector
- head
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims 2
- 230000006698 induction Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 description 38
- 239000000463 material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000009975 flexible effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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)
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 |
| CA251556 | 1976-04-30 | ||
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52141657A JPS52141657A (en) | 1977-11-26 |
| JPS638401B2 true JPS638401B2 (US20040232935A1-20041125-M00001.png) | 1988-02-23 |
Family
ID=27425911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5062277A Granted JPS52141657A (en) | 1976-04-30 | 1977-04-30 | Apparatus for supporting detecting head |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3221159A1 (de) * | 1982-06-04 | 1983-12-08 | Sidco S.A., 1205 Genève | Wirbelstrompruefvorrichtung fuer bauteile |
Family Cites Families (3)
| 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 |
-
1977
- 1977-04-29 GB GB1814777A patent/GB1568153A/en not_active Expired
- 1977-04-30 JP JP5062277A patent/JPS52141657A/ja active Granted
- 1977-05-02 DE DE19772719565 patent/DE2719565A1/de active Granted
- 1977-05-02 SE SE7705074A patent/SE441036B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52141657A (en) | 1977-11-26 |
| SE441036B (sv) | 1985-09-02 |
| GB1568153A (en) | 1980-05-29 |
| SE7705074L (sv) | 1977-10-31 |
| DE2719565A1 (de) | 1977-11-10 |
| DE2719565C2 (US20040232935A1-20041125-M00001.png) | 1987-02-12 |
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