Title:
ガス絶縁機器のガスリーク補修工法
Document Type and Number:
Japanese Patent JP6838330
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a gas leak repair method for gas insulation equipment capable of greatly reducing labor without needing special skills compared to conventional methods, and facilitating blockage with functions retained even in a place where it is difficult to perform construction.SOLUTION: A gas leak repair method for gas insulation equipment comprises: a scraping step A of removing rust, dirt and old coating film of a coating portion around a leak place R; a bonding step B of bonding a caulking material 11 over a predetermined range around the leak place R so that a flange part 12a of a flange nut 12 is contacted and fixed to the leak place R by making a nut hole 12b of the flange nut 12 function as a leak path; and a bolt fastening step C of torque-fastening a bolt 13 to the nut hole 12b of the flange nut 12 through a seal washer 14 after hardening of the caulking material 11, and blocking the nut hole 12b.SELECTED DRAWING: Figure 1
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| WO/2009/157748 | METHOD FOR REPAIRING AND/OR STRENGTHENING OF PIPES |
| WO/2016/007517 | METHOD OF REINFORCING A STRUCTURAL MEMBER AND DEVICE THEREFOR |
Inventors:
Sachiko Nakata
Toshiya Itabashi
Toshiya Itabashi
Application Number:
JP2016182448A
Publication Date:
March 03, 2021
Filing Date:
September 18, 2016
Export Citation:
Assignee:
TEPCO Holdings Co., Ltd.
International Classes:
F16L55/168; F16L55/175
Domestic Patent References:
| JP10038184A | ||||
| JP5261459A | ||||
| JP2002005351A | ||||
| JP61127996A | ||||
| JP2006083906A | ||||
| JP2011179552A | ||||
| JP2015173552A |
Attorney, Agent or Firm:
Masahiro Kanzaki