JPS52134487A - Facial scratch detection means for steel and iron material - Google Patents

Facial scratch detection means for steel and iron material

Info

Publication number
JPS52134487A
JPS52134487A JP5095076A JP5095076A JPS52134487A JP S52134487 A JPS52134487 A JP S52134487A JP 5095076 A JP5095076 A JP 5095076A JP 5095076 A JP5095076 A JP 5095076A JP S52134487 A JPS52134487 A JP S52134487A
Authority
JP
Japan
Prior art keywords
steel
iron material
facial
detection means
scratch detection
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
JP5095076A
Other languages
Japanese (ja)
Other versions
JPS5929812B2 (en
Inventor
Masaru Fukuyama
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 JP51050950A priority Critical patent/JPS5929812B2/en
Publication of JPS52134487A publication Critical patent/JPS52134487A/en
Publication of JPS5929812B2 publication Critical patent/JPS5929812B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To detect the facial scratch with scratch with less power than required for adjusting the surface temperature of the steel and iron material, during the process of increasing temperature of the average temperature increase for the steel and iron material.
COPYRIGHT: (C)1977,JPO&Japio
JP51050950A 1976-05-06 1976-05-06 Method for detecting surface flaws on steel materials Expired JPS5929812B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51050950A JPS5929812B2 (en) 1976-05-06 1976-05-06 Method for detecting surface flaws on steel materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51050950A JPS5929812B2 (en) 1976-05-06 1976-05-06 Method for detecting surface flaws on steel materials

Publications (2)

Publication Number Publication Date
JPS52134487A true JPS52134487A (en) 1977-11-10
JPS5929812B2 JPS5929812B2 (en) 1984-07-23

Family

ID=12873092

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51050950A Expired JPS5929812B2 (en) 1976-05-06 1976-05-06 Method for detecting surface flaws on steel materials

Country Status (1)

Country Link
JP (1) JPS5929812B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61132848A (en) * 1984-12-03 1986-06-20 Nippon Kokan Kk <Nkk> Non-contact painting inspecting device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6135601A (en) * 1984-07-27 1986-02-20 Matsushita Electric Ind Co Ltd Modulator
JPS61184001A (en) * 1985-02-08 1986-08-16 Nippon Telegr & Teleph Corp <Ntt> Pll modulator
JPS6370716U (en) * 1986-10-27 1988-05-12
JPH01198828A (en) * 1988-02-03 1989-08-10 Fujitsu Ltd Phase locked loop circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5150781A (en) * 1974-10-29 1976-05-04 Nippon Steel Corp Netsukankozaino hyomenketsukankenshutsuhoho

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5150781A (en) * 1974-10-29 1976-05-04 Nippon Steel Corp Netsukankozaino hyomenketsukankenshutsuhoho

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61132848A (en) * 1984-12-03 1986-06-20 Nippon Kokan Kk <Nkk> Non-contact painting inspecting device

Also Published As

Publication number Publication date
JPS5929812B2 (en) 1984-07-23

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