JPS58177867U - Plastic pipe defect detection device - Google Patents
Plastic pipe defect detection deviceInfo
- Publication number
- JPS58177867U JPS58177867U JP6977682U JP6977682U JPS58177867U JP S58177867 U JPS58177867 U JP S58177867U JP 6977682 U JP6977682 U JP 6977682U JP 6977682 U JP6977682 U JP 6977682U JP S58177867 U JPS58177867 U JP S58177867U
- Authority
- JP
- Japan
- Prior art keywords
- plastic pipe
- detection device
- external magnet
- defect detection
- external
- 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
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案によるピンホール検出装置の概略図、第
２図は半日づまり検出を可能にする他の実施例を示す図
である。
１・・・・・・プラスチックパイプ、２・・曲永久磁石
、３．３′・・・・・・外部磁石、４・・曲高周波課電
電極、５・・晶ピンホール検出装置、６・・曲磁性体検
出装置。FIG. 1 is a schematic diagram of a pinhole detection device according to the present invention, and FIG. 2 is a diagram showing another embodiment that enables half-day blockage detection. DESCRIPTION OF SYMBOLS 1...Plastic pipe, 2...Curved permanent magnet, 3.3'...External magnet, 4...Curved high frequency charging electrode, 5...Crystal pinhole detection device, 6.・Curved magnetic material detection device.
Claims (1)
に配置される第１極性をもつ第１外部磁石と、下流側に
配置されて上記第１外部磁石より磁力の高い第２極性の
第２外部磁石と、これらの外部磁石に沿って移動するプ
ラスチックパイプ内にそう人されて上記外部磁石間にお
いて゛上記プラスチックパイプの内壁との間の摩擦が極
めて小さくなる状態で磁気的に操作される永久磁石と、
上記外部磁石間にあって上記プラスチックパイプを囲む
ごとくに配置される高周波課電電極と、からなるプラス
チックパイプの欠陥検出装置。 ２ 前記第２外部磁石の下流側に配置される磁性体検出
装置を更に含む、実用新案登録請求の範囲第１項記載の
プラスチックパイプの欠陥検出装置。[Claims for Utility Model Registration] 1. A first external magnet with a first polarity that is disposed on the upstream side of the plastic pipe along the moving direction thereof, and a first external magnet that is disposed on the downstream side and has a higher magnetic force than the first external magnet. A second external magnet of a second polarity is inserted into a plastic pipe that moves along these external magnets, and a magnetic field is generated between the external magnet and the inner wall of the plastic pipe in such a state that the friction between the second external magnet and the inner wall of the plastic pipe is extremely small. a permanent magnet operated by
A defect detection device for a plastic pipe, comprising: a high frequency energizing electrode disposed between the external magnets so as to surround the plastic pipe. 2. The plastic pipe defect detection device according to claim 1, further comprising a magnetic body detection device disposed downstream of the second external magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6977682U JPS58177867U (en) | 1982-05-13 | 1982-05-13 | Plastic pipe defect detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6977682U JPS58177867U (en) | 1982-05-13 | 1982-05-13 | Plastic pipe defect detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58177867U true JPS58177867U (en) | 1983-11-28 |
Family
ID=30079484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6977682U Pending JPS58177867U (en) | 1982-05-13 | 1982-05-13 | Plastic pipe defect detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58177867U (en) |
-
1982
- 1982-05-13 JP JP6977682U patent/JPS58177867U/en active Pending
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