JPS5342794A - Magnetic defectoscope for internal wall defect - Google Patents
Magnetic defectoscope for internal wall defectInfo
- Publication number
- JPS5342794A JPS5342794A JP11826076A JP11826076A JPS5342794A JP S5342794 A JPS5342794 A JP S5342794A JP 11826076 A JP11826076 A JP 11826076A JP 11826076 A JP11826076 A JP 11826076A JP S5342794 A JPS5342794 A JP S5342794A
- Authority
- JP
- Japan
- Prior art keywords
- internal wall
- pipe
- wall defect
- defectoscope
- magnetic
- 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.)
- Granted
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
PURPOSE: To make possible the detection of defect in the internal wall without hindrance even for the small caliber pipe, by arranging a magnet outside the tested pipe for exciting the pipe, and also by arranging a detector inside the pipe in position facing to the external magnet.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51118260A JPS5910500B2 (en) | 1976-09-29 | 1976-09-29 | Internal flaw detection type magnetic flaw detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51118260A JPS5910500B2 (en) | 1976-09-29 | 1976-09-29 | Internal flaw detection type magnetic flaw detection device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5342794A true JPS5342794A (en) | 1978-04-18 |
JPS5910500B2 JPS5910500B2 (en) | 1984-03-09 |
Family
ID=14732211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51118260A Expired JPS5910500B2 (en) | 1976-09-29 | 1976-09-29 | Internal flaw detection type magnetic flaw detection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5910500B2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5624431A (en) * | 1979-08-08 | 1981-03-09 | Du Pont Mitsui Fluorochem Co Ltd | Treatment for improving polytetrafluoroethylene film |
US4707314A (en) * | 1984-07-04 | 1987-11-17 | Nippon Valqua Kogyo Kabushiki Kaisha | Process for producing polytetrafluoroethylene porous films |
JPS6434408A (en) * | 1987-07-30 | 1989-02-03 | Toray Industries | Porous membrane of polytetrafluoroethylene-base resin and production thereof |
JPS6434407A (en) * | 1987-07-30 | 1989-02-03 | Toray Industries | Porous membrane of polytetrafluoroethylene-base resin and production thereof |
JPS6478823A (en) * | 1987-09-21 | 1989-03-24 | Sumitomo Electric Industries | Manufacture of tetrefluoroethylene resin porous film |
US5234751A (en) * | 1989-09-12 | 1993-08-10 | Sumitomo Electric Industries, Ltd. | Porous material of polytetrafluoroethylene and process for producing the same |
-
1976
- 1976-09-29 JP JP51118260A patent/JPS5910500B2/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5624431A (en) * | 1979-08-08 | 1981-03-09 | Du Pont Mitsui Fluorochem Co Ltd | Treatment for improving polytetrafluoroethylene film |
JPS5735091B2 (en) * | 1979-08-08 | 1982-07-27 | ||
US4707314A (en) * | 1984-07-04 | 1987-11-17 | Nippon Valqua Kogyo Kabushiki Kaisha | Process for producing polytetrafluoroethylene porous films |
JPS6434408A (en) * | 1987-07-30 | 1989-02-03 | Toray Industries | Porous membrane of polytetrafluoroethylene-base resin and production thereof |
JPS6434407A (en) * | 1987-07-30 | 1989-02-03 | Toray Industries | Porous membrane of polytetrafluoroethylene-base resin and production thereof |
JPH0468011B2 (en) * | 1987-07-30 | 1992-10-30 | Toray Industries | |
JPH0468010B2 (en) * | 1987-07-30 | 1992-10-30 | Toray Industries | |
JPS6478823A (en) * | 1987-09-21 | 1989-03-24 | Sumitomo Electric Industries | Manufacture of tetrefluoroethylene resin porous film |
US5234751A (en) * | 1989-09-12 | 1993-08-10 | Sumitomo Electric Industries, Ltd. | Porous material of polytetrafluoroethylene and process for producing the same |
Also Published As
Publication number | Publication date |
---|---|
JPS5910500B2 (en) | 1984-03-09 |
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