Title:
NONFLAMMABLE CEILING MATERIAL FOR SOUND ABSORPTION AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/242038
Kind Code:
A1
Abstract:
A nonflammable ceiling material for sound absorption and a manufacturing method therefor are disclosed. The manufacturing method for the nonflammable ceiling material for sound absorption (S100) of the present invention is a method for manufacturing the nonflammable ceiling material for sound absorption to be installed on a ceiling of a building, and may comprise: a panel processing step of processing a first panel which includes metal and a second panel which absorbs sound wave (S1000); and a panel attaching step of attaching the first panel and the second panel (S2000), wherein the first panel has a plurality of openings, and the first panel and the second panel are coupled to each other by a bonding layer, so that the nonflammable ceiling material for sound absorption is formed.
Inventors:
KWON YOUNG CHUL (KR)
CHOI SEONG-HEE (KR)
YUN CHANG-SEONG (KR)
CHOI SEONG-HEE (KR)
YUN CHANG-SEONG (KR)
Application Number:
PCT/KR2021/006640
Publication Date:
December 02, 2021
Filing Date:
May 28, 2021
Export Citation:
Assignee:
ZENFIX CO LTD (KR)
International Classes:
E04B1/84; B21D5/00; B21D28/26; B32B7/12; B32B15/14; B32B15/18; B32B37/12; E04B1/94; E04B9/00; E04C2/292
Foreign References:
| KR101898871B1 | 2018-09-14 | |||
| US20010052212A1 | 2001-12-20 | |||
| KR20170095575A | 2017-08-23 | |||
| KR20120128945A | 2012-11-28 | |||
| KR20190093989A | 2019-08-12 | |||
| CN208251506U | 2018-12-18 |
Attorney, Agent or Firm:
DARAE LAW & IP, LLC (KR)
Download PDF: