JPS54159258A - Method of measuring flatness - Google Patents

Method of measuring flatness

Info

Publication number
JPS54159258A
JPS54159258A JP6867478A JP6867478A JPS54159258A JP S54159258 A JPS54159258 A JP S54159258A JP 6867478 A JP6867478 A JP 6867478A JP 6867478 A JP6867478 A JP 6867478A JP S54159258 A JPS54159258 A JP S54159258A
Authority
JP
Japan
Prior art keywords
measuring flatness
flatness
measuring
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
JP6867478A
Other languages
Japanese (ja)
Other versions
JPS6253764B2 (en
Inventor
Toshiaki Wada
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.)
Hitachi Metals Ltd
Original Assignee
Sumitomo Special Metals Co 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 Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Priority to JP6867478A priority Critical patent/JPS54159258A/en
Publication of JPS54159258A publication Critical patent/JPS54159258A/en
Publication of JPS6253764B2 publication Critical patent/JPS6253764B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
JP6867478A 1978-06-06 1978-06-06 Method of measuring flatness Granted JPS54159258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6867478A JPS54159258A (en) 1978-06-06 1978-06-06 Method of measuring flatness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6867478A JPS54159258A (en) 1978-06-06 1978-06-06 Method of measuring flatness

Publications (2)

Publication Number Publication Date
JPS54159258A true JPS54159258A (en) 1979-12-15
JPS6253764B2 JPS6253764B2 (en) 1987-11-12

Family

ID=13380488

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6867478A Granted JPS54159258A (en) 1978-06-06 1978-06-06 Method of measuring flatness

Country Status (1)

Country Link
JP (1) JPS54159258A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111709A (en) * 1981-12-25 1983-07-02 Sumitomo Special Metals Co Ltd Flatness measuring device
DE3247238A1 (en) * 1981-12-25 1983-07-14 Sumitomo Special Metals Co., Ltd., Osaka FLATNESS MEASURING DEVICE
JPS5960505U (en) * 1982-10-14 1984-04-20 株式会社山武 shape recognition device
JP2001304837A (en) * 2000-04-19 2001-10-31 Nok Corp Plane inspection apparatus and plane inspection method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111709A (en) * 1981-12-25 1983-07-02 Sumitomo Special Metals Co Ltd Flatness measuring device
DE3247238A1 (en) * 1981-12-25 1983-07-14 Sumitomo Special Metals Co., Ltd., Osaka FLATNESS MEASURING DEVICE
JPS632446B2 (en) * 1981-12-25 1988-01-19 Sumitomo Spec Metals
JPS5960505U (en) * 1982-10-14 1984-04-20 株式会社山武 shape recognition device
JP2001304837A (en) * 2000-04-19 2001-10-31 Nok Corp Plane inspection apparatus and plane inspection method
JP4529227B2 (en) * 2000-04-19 2010-08-25 Ｎｏｋ株式会社 Plane inspection apparatus and plane inspection method

Also Published As

Publication number Publication date
JPS6253764B2 (en) 1987-11-12

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