GUIDE TUBE FOR GUIDING CABLE OF INTERNAL OBSERVATION DEVICE AND CABLE GUIDING METHOD

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United States of America Patent

APP PUB NO 20170075102A1
SERIAL NO

15123562

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A guide tube guides a cable of an internal observation device into a pipe bore. The cable is pushed into the pipe bore to force an observation image capturing part provided proximate a tip end of the cable to approach a portion to be observed when performing internal observation of the pipe bore of a pipe-like structure with the internal observation device. The guide tube includes: an outside wall having an outside diameter of the guide tube that is substantially equal to an internal diameter of the pipe bore; and an internal wall having an internal diameter of the guide tube that is substantially equal to an outside diameter of the cable

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Patent Owner(s)

Patent OwnerAddress
THE CHUGOKU ELECTRIC POWER CO INCHIROSHIMA-SHI HIROSHIMA 730-8701

International Classification(s)

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  • 2014 Application Filing Year
  • G01N Class
  • 10055 Applications Filed
  • 7887 Patents Issued To-Date
  • 78.44 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2014201520162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kubota, Haruhito Hiroshima, JP 8 7
Oyama, Keiji Hiroshima, JP 9 41
Uchiyama, Ichiro Hiroshima, JP 9 12
Wada, Yasutaka Hiroshima, JP 9 111
Yamamura, Yukimasa Hiroshima, JP 8 7
Yamasaki, Toshiki Hiroshima, JP 8 7

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  • 2 Citation Count
  • G01N Class
  • 33.94 % this patent is cited more than
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges234338094321455621133525105901 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +02505007501000125015001750200022502500275030003250350037504000

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