JPS6311601Y2 - - Google Patents
Info
- Publication number
- JPS6311601Y2 JPS6311601Y2 JP3494980U JP3494980U JPS6311601Y2 JP S6311601 Y2 JPS6311601 Y2 JP S6311601Y2 JP 3494980 U JP3494980 U JP 3494980U JP 3494980 U JP3494980 U JP 3494980U JP S6311601 Y2 JPS6311601 Y2 JP S6311601Y2
- Authority
- JP
- Japan
- Prior art keywords
- ball
- holder
- plate
- metal plate
- missing
- 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 36
- 239000002184 metal Substances 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 description 7
- 238000007689 inspection Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3494980U JPS6311601Y2 (en]) | 1980-03-19 | 1980-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3494980U JPS6311601Y2 (en]) | 1980-03-19 | 1980-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56137006U JPS56137006U (en]) | 1981-10-17 |
| JPS6311601Y2 true JPS6311601Y2 (en]) | 1988-04-05 |
Family
ID=29630581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3494980U Expired JPS6311601Y2 (en]) | 1980-03-19 | 1980-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6311601Y2 (en]) |
-
1980
- 1980-03-19 JP JP3494980U patent/JPS6311601Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56137006U (en]) | 1981-10-17 |
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