JPS6374610U - - Google Patents

Info

Publication number
JPS6374610U
JPS6374610U JP16791986U JP16791986U JPS6374610U JP S6374610 U JPS6374610 U JP S6374610U JP 16791986 U JP16791986 U JP 16791986U JP 16791986 U JP16791986 U JP 16791986U JP S6374610 U JPS6374610 U JP S6374610U
Authority
JP
Japan
Prior art keywords
hole wall
convex mirror
photographing device
round
wall fixed
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
JP16791986U
Other languages
English (en)
Japanese (ja)
Other versions
JP2503408Y2 (ja
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 filed Critical
Priority to JP1986167919U priority Critical patent/JP2503408Y2/ja
Publication of JPS6374610U publication Critical patent/JPS6374610U/ja
Application granted granted Critical
Publication of JP2503408Y2 publication Critical patent/JP2503408Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP1986167919U 1986-10-31 1986-10-31 孔壁定方位全周撮影装置 Expired - Lifetime JP2503408Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986167919U JP2503408Y2 (ja) 1986-10-31 1986-10-31 孔壁定方位全周撮影装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986167919U JP2503408Y2 (ja) 1986-10-31 1986-10-31 孔壁定方位全周撮影装置

Publications (2)

Publication Number Publication Date
JPS6374610U true JPS6374610U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-05-18
JP2503408Y2 JP2503408Y2 (ja) 1996-07-03

Family

ID=31100306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986167919U Expired - Lifetime JP2503408Y2 (ja) 1986-10-31 1986-10-31 孔壁定方位全周撮影装置

Country Status (1)

Country Link
JP (1) JP2503408Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0436644A (ja) * 1990-05-31 1992-02-06 Daihatsu Motor Co Ltd 円筒内壁面の欠陥の検査方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6534199B2 (ja) * 2014-05-27 2019-06-26 フジモリ産業株式会社 煙突内検査装置及び検査方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5772117A (en) * 1980-10-23 1982-05-06 Kawasaki Chishitsu Kk Observing device for developed image of hole wall
JPS59138820U (ja) * 1983-03-09 1984-09-17 菊地　宏吉 ボアホ−ルスコ−プ
JPS6042728A (ja) * 1983-08-18 1985-03-07 Olympus Optical Co Ltd 結像光学系

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5772117A (en) * 1980-10-23 1982-05-06 Kawasaki Chishitsu Kk Observing device for developed image of hole wall
JPS59138820U (ja) * 1983-03-09 1984-09-17 菊地　宏吉 ボアホ−ルスコ−プ
JPS6042728A (ja) * 1983-08-18 1985-03-07 Olympus Optical Co Ltd 結像光学系

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0436644A (ja) * 1990-05-31 1992-02-06 Daihatsu Motor Co Ltd 円筒内壁面の欠陥の検査方法

Also Published As

Publication number Publication date
JP2503408Y2 (ja) 1996-07-03

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