JPS5679247A - Defect-indicating apparatus on thin steel plate coil - Google Patents

Defect-indicating apparatus on thin steel plate coil

Info

Publication number
JPS5679247A
JPS5679247A JP15667879A JP15667879A JPS5679247A JP S5679247 A JPS5679247 A JP S5679247A JP 15667879 A JP15667879 A JP 15667879A JP 15667879 A JP15667879 A JP 15667879A JP S5679247 A JPS5679247 A JP S5679247A
Authority
JP
Japan
Prior art keywords
steel plate
detector
magnetizer
pin
magnetic mark
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
JP15667879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6310784B2 (enrdf_load_stackoverflow
Inventor
Yasuhiro Sawada
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP15667879A priority Critical patent/JPS5679247A/ja
Publication of JPS5679247A publication Critical patent/JPS5679247A/ja
Publication of JPS6310784B2 publication Critical patent/JPS6310784B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP15667879A 1979-12-03 1979-12-03 Defect-indicating apparatus on thin steel plate coil Granted JPS5679247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15667879A JPS5679247A (en) 1979-12-03 1979-12-03 Defect-indicating apparatus on thin steel plate coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15667879A JPS5679247A (en) 1979-12-03 1979-12-03 Defect-indicating apparatus on thin steel plate coil

Publications (2)

Publication Number Publication Date
JPS5679247A true JPS5679247A (en) 1981-06-29
JPS6310784B2 JPS6310784B2 (enrdf_load_stackoverflow) 1988-03-09

Family

ID=15632921

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15667879A Granted JPS5679247A (en) 1979-12-03 1979-12-03 Defect-indicating apparatus on thin steel plate coil

Country Status (1)

Country Link
JP (1) JPS5679247A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101453620B1 (ko) * 2012-12-20 2014-10-22 주식회사 포스코 혼합 스테인레스 강판 및 혼합 스테인레스 강판 생산 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4856449A (enrdf_load_stackoverflow) * 1971-11-16 1973-08-08
JPS4954087A (enrdf_load_stackoverflow) * 1972-09-26 1974-05-25
JPS4964486A (enrdf_load_stackoverflow) * 1972-10-19 1974-06-21

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4856449A (enrdf_load_stackoverflow) * 1971-11-16 1973-08-08
JPS4954087A (enrdf_load_stackoverflow) * 1972-09-26 1974-05-25
JPS4964486A (enrdf_load_stackoverflow) * 1972-10-19 1974-06-21

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101453620B1 (ko) * 2012-12-20 2014-10-22 주식회사 포스코 혼합 스테인레스 강판 및 혼합 스테인레스 강판 생산 방법

Also Published As

Publication number Publication date
JPS6310784B2 (enrdf_load_stackoverflow) 1988-03-09

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