Title:
閉塞装置
Document Type and Number:
Japanese Patent JP6808533
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a block device capable of reducing tensile force acting on a hose connected to a bag.SOLUTION: A block device 2 include a hose capable of taking in fluid from one end, and a bag 22 connected to the other end of the hose and capable of expanding with pressure of fluid. The block device is configured to cause an introduction device 5 to introduce the bag 22 in a non-interrupted flow state into a fluid pipe 1 from a branch part 3a side branching from the fluid pipe 1, and then expand the bag 22 to block the inside of the fluid pipe 1. The block device also includes a protective member coupling between a connection member connecting between the hose and the bag 22, and a tip part of the introduction device 5.SELECTED DRAWING: Figure 2
Inventors:
Kamei Teruo
Application Number:
JP2017030376A
Publication Date:
January 06, 2021
Filing Date:
February 21, 2017
Export Citation:
Assignee:
Cosmo Koki Co., Ltd.
International Classes:
F16L55/124; F16L55/00
Domestic Patent References:
| JP2001241590A | ||||
| JP4095690A | ||||
| JP2010121716A | ||||
| JP4071888U |
Attorney, Agent or Firm:
Kazuo Shigenobu
Ryoichi Mizobuchi
Yoshifumi Ishikawa
Hideki Akiba
Taeko Katata
Michihiro Hayashi
Ryoichi Mizobuchi
Yoshifumi Ishikawa
Hideki Akiba
Taeko Katata
Michihiro Hayashi