Title:
噴出ガス応急遮断具及び噴出ガスの応急遮断方法
Document Type and Number:
Japanese Patent JP6893802
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enable gas ejected from a damaged place of a metal gas conduit to be safely and quickly shut off, to facilitate recovery work after shut-off.SOLUTION: An ejection gas emergency shut-off tool 1 is configured to shut off, on an emergency basis, gas ejected from a damaged place Ps of a metal gas conduit P, and includes a work rod 3 having a length to such an extent as to enable remote work, and a permanent magnet 2 held at a holding part 3A provided at a tip of the work rod 3. The permanent magnet 2 or the holding part 3A has an adsorption surface 2A covering the damaged place Ps and magnetically adsorbed to a surface of the metal gas conduit P. To the adsorption surface 2A, an adhesion member 4 closely adhering to the damage place Ps is bonded.SELECTED DRAWING: Figure 2
Inventors:
Masumi Kobayashi
Ryoichi Toriumi
Hiroshi Abe
Shinji Sanwa
Katsuji Nagashima
Ryoichi Toriumi
Hiroshi Abe
Shinji Sanwa
Katsuji Nagashima
Application Number:
JP2017041538A
Publication Date:
June 23, 2021
Filing Date:
March 06, 2017
Export Citation:
Assignee:
Tokyo Gas Co., Ltd.
Capty Co., Ltd.
Capty Co., Ltd.
International Classes:
F16L55/168
Domestic Patent References:
| JP2007057061A | ||||
| JP59141288U | ||||
| JP2007208024A |
Foreign References:
| CN202007956U | ||||
| US20100237970 |
Attorney, Agent or Firm:
Eichi International Patent Office