Title:
OPENING PORTION CLOSING METHOD, OPENING PORTION CLOSING STRUCTURE, AND CLOSING MEMBER
Document Type and Number:
Japanese Patent JP2016011703
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an opening portion closing method, an opening portion closing structure, and a closing member capable of surely charging a hardener to a circumference of an interference object of an opening portion filled with water, and preventing outflow of the hardener.SOLUTION: In a method of closing an opening portion 5 by charging an in-water inseparable hardener to the opening portion 5 provided with an interference object 8 and filled with water, a bag mouth 16 of an elastic bag-shaped water-permeable inner net member 18 is mounted on a tip portion 14 of an injection pipe 12 for injecting the hardener to the opening portion 5, a bag-shaped water-permeable outer net member 20 for restricting bulging of the inner net member 18, is mounted in a state of covering an outer side of the inner net member 18, then the tip portion 14 of the injection pipe 12 is disposed on the opening portion 5, and the hardener is discharged from the injection pipe 12 toward the inside of the inner net member 18, so that the inner net member 18 is expanded and the opening portion 5 is closed.
Inventors:
KIMURA HIROSHI
NAGAHARA DAI
NAGAHARA DAI
Application Number:
JP2014132970A
Publication Date:
January 21, 2016
Filing Date:
June 27, 2014
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD
International Classes:
F16L55/12; E04G23/08; G21C13/10; G21F9/30
Domestic Patent References:
| JPH0311199U | 1991-02-04 | |||
| JPS4935910A | 1974-04-03 |
Attorney, Agent or Firm:
Hiroaki Sakai