Title:
FIRE DOOR
Document Type and Number:
WIPO Patent Application WO/2011/105872
Kind Code:
A2
Abstract:
The present invention relates to a fire door, comprising: an inner panel and an outer panel; a nonflammable panel interposed between the inner panel and the outer panel; and sound-absorbing space formed in the nonflammable panel so as to absorb sound and reduce the weight of the nonflammable panel, wherein the nonflammable panel comprises a first nonflammable panel and a second nonflammable panel attached to the opposite surfaces of the inner panel and of the outer panel, respectively. According to the present invention, a lightweight fire door with improved sound absorption efficiency is obtained without sacrificing conventional fireproofing functions.
Inventors:
IM BYUNG HO (KR)
Application Number:
PCT/KR2011/001399
Publication Date:
September 01, 2011
Filing Date:
February 28, 2011
Export Citation:
Assignee:
IM BYUNG HO (KR)
International Classes:
E04B1/94; A62C2/06; E06B5/16
Foreign References:
| KR20050034914A | 2005-04-15 | |||
| JP2001138043A | 2001-05-22 | |||
| JPH06044812U | ||||
| JPH08192491A | 1996-07-30 |
Attorney, Agent or Firm:
IAM PATENT FIRM (KR)
특허법인 아이엠 (KR)
특허법인 아이엠 (KR)
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Claims: