Title:
貫通穴閉塞具
Document Type and Number:
Japanese Patent JP7317676
Kind Code:
B2
Abstract:
To provide a through-hole closing tool capable of effectively closing a space even in the case of penetration, for example, by a plurality of pieces of piping.SOLUTION: A through-hole closing tool 1 comprises a cylinder part 2 that is used by being inserted into a through-hole H and in which a sheet flexible enough to be torsionally deformable is cylindrically molded, and a frame part 3 that is provided along a circumferential direction on at least one axial side of the cylinder part 2. The cylinder part 2 comprises a putty bag 4. The putty bag 4, which is internally filled with fluid putty, has an opening 41 provided in an inner peripheral surface. The putty is pushed out radially inward from the opening 41 when subjected to a compressive force.SELECTED DRAWING: Figure 4
Inventors:
Seiichi Koga
Application Number:
JP2019206857A
Publication Date:
July 31, 2023
Filing Date:
November 15, 2019
Export Citation:
Assignee:
Inaba Electric Industry Co., Ltd.
International Classes:
F16L5/02; A62C3/16; E04B1/94; F16L5/04
Domestic Patent References:
| JP2007224665A | ||||
| JP56145318U |
Foreign References:
| US20080128998 | ||||
| EP0940615A1 | ||||
| CN2872031Y |
Attorney, Agent or Firm:
Patent Attorney Corporation Fujimoto Partners