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Patent Searching and Data


Title:
FIRE DOOR HAVING EXPANDABLE FOAMING AGENT
Document Type and Number:
WIPO Patent Application WO/2019/208893
Kind Code:
A1
Abstract:
The present invention relates to a fire door having an expandable foaming agent and, more specifically, to a fire door having an expandable foaming agent, wherein, in the event of a fire, the expandable foaming agent provided in the fire door is foamed in a direction in which the fire door is deformed, so as to prevent the fire door from being deformed. In order to achieve the above purpose, the present invention comprises: a door frame having a doorsill protruding inward; a door leaf hinged to the door frame at one side thereof and opened/closed by a handle; and cases installed inside the door leaf at the other side thereof and spaced at regular intervals in the longitudinal direction, each case comprising a body in the form of a hollow hexahedron and an opening which is open at the front side of the body; and an expandable foaming agent alternately laminated in each of the cases so as to push the outer wall of the door leaf while being foamed forward by heat in the event of a fire and thereby prevent the deformation of the door leaf.

Inventors:
LEE, Myeung Hyeun (202Dong 1603ho, 259 Yongsan-ro,,Dalseo-gu, Daegu, 42625, KR)
Application Number:
KR2018/014299
Publication Date:
October 31, 2019
Filing Date:
November 21, 2018
Export Citation:
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Assignee:
LEE, Myeung Hyeun (202Dong 1603ho, 259 Yongsan-ro,,Dalseo-gu, Daegu, 42625, KR)
International Classes:
E06B5/16; E06B3/72
Foreign References:
KR20160109746A2016-09-21
KR100925577B12009-11-06
KR101792971B12017-11-20
JP5525296B22014-06-18
JP2001220963A2001-08-17
Attorney, Agent or Firm:
HONG, Byung-eui (Room 816, Yeoksam Hyundai Venturetel, 20, Teheran-ro 25gil,Gangnam-gu, Seoul, 06132, KR)
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