Title:
UNDERWATER-DEFECT DETECTING APPARATUS
Document Type and Number:
Japanese Patent JP2562248
Kind Code:
B2
Abstract:
PURPOSE: To confirm the position of a defective part by searching only the defect, which will develop into leakage, in the water by the remote control from the surface of the water without draining the water in a lining storage tank.
CONSTITUTION: In a chamber 1 having an opening part 2 at one end, a camera 5 and an illuminating lamp 9 are attached so as to face the direction of the opening part 2. An evacuating piping 16, a compressed-air piping 17 and a draining piping 13 are attached to the wall surface of the chamber 1. A stopper packing 22 and a sealing packing 23, which are in contact with the surface of a part to be detected 29 in a airtight mode, are attached to the opening part 2 of the chamber 1.
Inventors:
FURUKAWA TETSUTOSHI
IZAWA MASAAKI
IZAWA MASAAKI
Application Number:
JP2383192A
Publication Date:
December 11, 1996
Filing Date:
February 10, 1992
Export Citation:
Assignee:
DORYOKURO KAKUNENRYO KAIHATSU JIGYODAN
TOSHIBA KK
TOKYO DENRYOKU KK
HOTSUKAIDO DENRYOKU KK
TOHOKU DENRYOKU KK
CHUBU DENRYOKU KK
HOKURIKU DENRYOKU KK
KANSAI DENRYOKU KK
CHUGOKU DENRYOKU KK
SHIKOKU DENR
TOSHIBA KK
TOKYO DENRYOKU KK
HOTSUKAIDO DENRYOKU KK
TOHOKU DENRYOKU KK
CHUBU DENRYOKU KK
HOKURIKU DENRYOKU KK
KANSAI DENRYOKU KK
CHUGOKU DENRYOKU KK
SHIKOKU DENR
International Classes:
G01M3/38; G01N21/88; G01N21/954; G21C17/003; (IPC1-7): G21C17/003
Domestic Patent References:
| JP60211332A | ||||
| JP6095539U | ||||
| JP345787B2 |
Attorney, Agent or Firm:
Toshihiko Kanayama (2 outside)
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