JPH0642176Y2 - 地崩れ予知センサー - Google Patents

地崩れ予知センサー

Info

Publication number
JPH0642176Y2
JPH0642176Y2 JP6708689U JP6708689U JPH0642176Y2 JP H0642176 Y2 JPH0642176 Y2 JP H0642176Y2 JP 6708689 U JP6708689 U JP 6708689U JP 6708689 U JP6708689 U JP 6708689U JP H0642176 Y2 JPH0642176 Y2 JP H0642176Y2
Authority
JP
Japan
Prior art keywords
photoelectric switch
soft elastic
light
elastic cylinder
deformed
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
JP6708689U
Other languages
English (en)
Japanese (ja)
Other versions
JPH036514U (https=
Inventor
全志 藤村
泰道 小川
真一 古谷
秀行 今東
豊明 大森
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.)
Marugo Rubber Industries Ltd
Original Assignee
Marugo Rubber 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 Marugo Rubber Industries Ltd filed Critical Marugo Rubber Industries Ltd
Priority to JP6708689U priority Critical patent/JPH0642176Y2/ja
Publication of JPH036514U publication Critical patent/JPH036514U/ja
Application granted granted Critical
Publication of JPH0642176Y2 publication Critical patent/JPH0642176Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
JP6708689U 1989-06-07 1989-06-07 地崩れ予知センサー Expired - Lifetime JPH0642176Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6708689U JPH0642176Y2 (ja) 1989-06-07 1989-06-07 地崩れ予知センサー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6708689U JPH0642176Y2 (ja) 1989-06-07 1989-06-07 地崩れ予知センサー

Publications (2)

Publication Number Publication Date
JPH036514U JPH036514U (https=) 1991-01-22
JPH0642176Y2 true JPH0642176Y2 (ja) 1994-11-02

Family

ID=31600351

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6708689U Expired - Lifetime JPH0642176Y2 (ja) 1989-06-07 1989-06-07 地崩れ予知センサー

Country Status (1)

Country Link
JP (1) JPH0642176Y2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008097897A (ja) * 2006-10-10 2008-04-24 Matsushita Electric Ind Co Ltd 発熱体ユニットおよび発熱装置

Also Published As

Publication number Publication date
JPH036514U (https=) 1991-01-22

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