Title:
閉止装置及び配管閉止ユニット
Document Type and Number:
Japanese Patent JP7347014
Kind Code:
B2
Abstract:
To secure high sealability even in the case where a pressure difference exists between one side and the other side of a closing device, in the closing device which is arranged inside a closing object pipeline.SOLUTION: A closing device performs closing of a closing object pipeline and it includes: a closing plate whose diameter is smaller than an inner diameter of the closing object pipeline; a seal part capable of bulging to the outside radially of the closing plate from an outer edge of the closing plate; and a locking hook which is provided on a surface of one side of the closing plate and which can be locked at part of the inside of the closing object pipeline.SELECTED DRAWING: Figure 1
More Like This:
| WO/2019/207323 | INFLATABLE STENT |
| WO/2009/012563 | INFLATABLE FLUID CONDUIT PLUG |
| WO/2000/047928 | APPARATUS FOR STOPPING FLOW THROUGH A PIPE |
Inventors:
Jun Maeno
Application Number:
JP2019157170A
Publication Date:
September 20, 2023
Filing Date:
August 29, 2019
Export Citation:
Assignee:
Ihi Co., Ltd.
International Classes:
F16L55/134; F16J13/02
Domestic Patent References:
| JP57130097U | ||||
| JP2000065282A | ||||
| JP50000251Y1 | ||||
| JP7167372A | ||||
| JP48074118U | ||||
| JP52156324U | ||||
| JP2001124284A | ||||
| JP2013155873A |
Foreign References:
| US20100032043 |
Attorney, Agent or Firm:
Kazuzumi Nishizawa
Mitsuo Teramoto
Yuichiro Shimizu
Hisanori Takahashi
Mitsuo Teramoto
Yuichiro Shimizu
Hisanori Takahashi