JPH0618286Y2 - 管内面状況検出装置 - Google Patents

管内面状況検出装置

Info

Publication number
JPH0618286Y2
JPH0618286Y2 JP1988169173U JP16917388U JPH0618286Y2 JP H0618286 Y2 JPH0618286 Y2 JP H0618286Y2 JP 1988169173 U JP1988169173 U JP 1988169173U JP 16917388 U JP16917388 U JP 16917388U JP H0618286 Y2 JPH0618286 Y2 JP H0618286Y2
Authority
JP
Japan
Prior art keywords
tube
light
pipe
main body
photoelectric sensor
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.)
Expired - Lifetime
Application number
JP1988169173U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0289351U (en]
Inventor
丈信 稲本
照夫 金森
延男 原本
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.)
Sumitomo Light Metal Industries Ltd
Original Assignee
Sumitomo Light 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 Sumitomo Light Metal Industries Ltd filed Critical Sumitomo Light Metal Industries Ltd
Priority to JP1988169173U priority Critical patent/JPH0618286Y2/ja
Publication of JPH0289351U publication Critical patent/JPH0289351U/ja
Application granted granted Critical
Publication of JPH0618286Y2 publication Critical patent/JPH0618286Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
JP1988169173U 1988-12-28 1988-12-28 管内面状況検出装置 Expired - Lifetime JPH0618286Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988169173U JPH0618286Y2 (ja) 1988-12-28 1988-12-28 管内面状況検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988169173U JPH0618286Y2 (ja) 1988-12-28 1988-12-28 管内面状況検出装置

Publications (2)

Publication Number Publication Date
JPH0289351U JPH0289351U (en]) 1990-07-16
JPH0618286Y2 true JPH0618286Y2 (ja) 1994-05-11

Family

ID=31458993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988169173U Expired - Lifetime JPH0618286Y2 (ja) 1988-12-28 1988-12-28 管内面状況検出装置

Country Status (1)

Country Link
JP (1) JPH0618286Y2 (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58172862U (ja) * 1982-05-15 1983-11-18 株式会社ボッシュオートモーティブ　システム 内周面状態検出装置
JPS60155947A (ja) * 1984-01-26 1985-08-16 Mitsubishi Heavy Ind Ltd 円筒孔内の黒色酸化膜検知装置

Also Published As

Publication number Publication date
JPH0289351U (en]) 1990-07-16

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