JPS5342794A - Magnetic defectoscope for internal wall defect - Google Patents

Magnetic defectoscope for internal wall defect

Info

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
Application number
JP11826076A
Other languages
Japanese (ja)
Other versions
JPS5910500B2 (en
Inventor
Tatsuo Hiroshima
Takahide Sakamoto
Masayuki Imai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimadzu Corp
Nippon Steel Corp
Original Assignee
Shimadzu Corp
Sumitomo Metal Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shimadzu Corp, Sumitomo Metal Industries Ltd filed Critical Shimadzu Corp
Priority to JP51118260A priority Critical patent/JPS5910500B2/en
Publication of JPS5342794A publication Critical patent/JPS5342794A/en
Publication of JPS5910500B2 publication Critical patent/JPS5910500B2/en
Expired legal-status Critical Current

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
JP51118260A 1976-09-29 1976-09-29 Internal flaw detection type magnetic flaw detection device Expired JPS5910500B2 (en)

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)

* Cited by examiner, † Cited by third party
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
JPS6434407A (en) * 1987-07-30 1989-02-03 Toray Industries Porous membrane of polytetrafluoroethylene-base resin and production thereof
JPS6434408A (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

Cited By (6)

* Cited by examiner, † Cited by third party
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
JPS6434407A (en) * 1987-07-30 1989-02-03 Toray Industries Porous membrane of polytetrafluoroethylene-base resin and production thereof
JPS6434408A (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

Also Published As

Publication number Publication date
JPS5910500B2 (en) 1984-03-09

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