JPH0195601U - - Google Patents
Info
- Publication number
- JPH0195601U JPH0195601U JP19237987U JP19237987U JPH0195601U JP H0195601 U JPH0195601 U JP H0195601U JP 19237987 U JP19237987 U JP 19237987U JP 19237987 U JP19237987 U JP 19237987U JP H0195601 U JPH0195601 U JP H0195601U
- Authority
- JP
- Japan
- Prior art keywords
- base material
- movable rod
- conductive base
- probe
- measuring device
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第1図は本考案の一実施例を示す孔測定装置の
構成図、第2図aは孔測定の方法を示す説明図、
第2図bは同図aに対応する出力波形図である。
1……孔、2……基材、3……移動棒、5……
探触子、7……静電容量測定器。
FIG. 1 is a configuration diagram of a hole measuring device showing an embodiment of the present invention, FIG. 2 a is an explanatory diagram showing a method of hole measurement,
FIG. 2b is an output waveform diagram corresponding to FIG. 2a. 1... Hole, 2... Base material, 3... Moving rod, 5...
Probe, 7...Capacitance measuring device.
Claims (1)
動可能な絶縁材料製の移動棒と、この移動棒の軸
方向所定位置に設けられ外周縁が移動棒の外面に
露出する薄幅円板状の探触子と、この探触子と前
記導電性基材とに電気的に接続され探触子と導電
性基材の間の静電容量の変化により孔測定を行な
う静電容量測定器とを具備することを特徴とする
孔測定装置。 A movable rod made of an insulating material that can move in the axial direction within a hole drilled in a conductive base material, and a thin width that is provided at a predetermined position in the axial direction of the movable rod and whose outer periphery is exposed on the outer surface of the movable rod. A disk-shaped probe and a capacitor that is electrically connected to the probe and the conductive base material and performs hole measurement by changing the capacitance between the probe and the conductive base material. A hole measuring device comprising a measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19237987U JPH0195601U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19237987U JPH0195601U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195601U true JPH0195601U (en) | 1989-06-23 |
Family
ID=31483241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19237987U Pending JPH0195601U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014081024A (en) * | 2012-10-16 | 2014-05-08 | Yokohama Rubber Co Ltd:The | Hose joint fitting attachment method, and attachment device |
| JP2014516811A (en) * | 2011-05-09 | 2014-07-17 | ザ・ボーイング・カンパニー | Drilling machine with hole measuring function |
-
1987
- 1987-12-18 JP JP19237987U patent/JPH0195601U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014516811A (en) * | 2011-05-09 | 2014-07-17 | ザ・ボーイング・カンパニー | Drilling machine with hole measuring function |
| JP2014081024A (en) * | 2012-10-16 | 2014-05-08 | Yokohama Rubber Co Ltd:The | Hose joint fitting attachment method, and attachment device |