Title:
CHAIN-TYPE FOAM SEALING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/075656
Kind Code:
A1
Abstract:
According to the technical idea of the present invention, disclosed is a system that is installed in a through-hole of a pipe passing through a wall partitioning a predetermined space and seals the through-hole when a fire occurs, the system comprising: housing units each forming a body and having a predetermined accommodation space; connecting units coupled to the housing units to interconnect the housing units in series; and fixing units each positioned on one side of each of the housing units to fix the housing units to the wall.
Inventors:
PARK KI TAE (KR)
Application Number:
PCT/KR2020/006567
Publication Date:
April 22, 2021
Filing Date:
May 20, 2020
Export Citation:
Assignee:
PARK KI TAE (KR)
International Classes:
A62C2/06; F16L5/04
Foreign References:
| JP2002121843A | 2002-04-26 | |||
| KR20190033782A | 2019-04-01 | |||
| KR101573319B1 | 2015-12-01 | |||
| KR20180124620A | 2018-11-21 | |||
| US20150251028A1 | 2015-09-10 |
Attorney, Agent or Firm:
CHO, Seok Hyun (KR)
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