Title:
SEALED WIRE ROPE INSPECTION METHOD, SEALED WIRE REPAIR METHOD, AND SEALED WIRE ROPE
Document Type and Number:
WIPO Patent Application WO/2021/009971
Kind Code:
A1
Abstract:
A method for inspecting a coated sealed wire rope 10 used in a bridge, wherein the inspection method has a step for forming an inspection through-hole H1 in the coating of the sealed wire rope 10, a step for increasing or reducing pressure on the inner side of the coating of the sealed wire rope 10 through the inspection through-hole H1, and a step for assessing whether there is penetration damage in the coating of the sealed wire rope 10 according to whether the state of increased or reduced pressure is maintained, the inspection method making it possible to increase the efficiency of operation and to reduce the need for traffic limitation on the bridge for the purpose of an inspection.
Inventors:
YAMADA KANEYOSHI (JP)
SAKUMA SATOSHI (JP)
HIGASHIDA NORIMASA (JP)
NAGAE YASUSHI (JP)
EZAKI MASAHIRO (JP)
KITAGAWA KOJI (JP)
KAI YASUYUKI (JP)
YAJIMA TAKASHI (JP)
SAKUMA SATOSHI (JP)
HIGASHIDA NORIMASA (JP)
NAGAE YASUSHI (JP)
EZAKI MASAHIRO (JP)
KITAGAWA KOJI (JP)
KAI YASUYUKI (JP)
YAJIMA TAKASHI (JP)
Application Number:
PCT/JP2020/012976
Publication Date:
January 21, 2021
Filing Date:
March 24, 2020
Export Citation:
Assignee:
NEXCO EAST ENGINEERING COMPANY LTD (JP)
KAWADA KOGYO KK (JP)
TOKYO ROPE MFG CO (JP)
KAWADA KOGYO KK (JP)
TOKYO ROPE MFG CO (JP)
International Classes:
E01D19/16; E01D22/00; G01M3/02; G01M3/20; G01M3/24; G01M3/26; G01M3/28; G01M3/38
Foreign References:
| US4285615A | 1981-08-25 | |||
| JPH0213254B2 | 1990-04-03 | |||
| JPH04184133A | 1992-07-01 | |||
| JPS6478139A | 1989-03-23 |
Attorney, Agent or Firm:
KATO, Masanobu et al. (JP)
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