Title:
SOUND ABSORBING/INSULATING HONEYCOMB PANEL
Document Type and Number:
WIPO Patent Application WO/2020/095475
Kind Code:
A1
Abstract:
[Problem] When forming a sound absorbing/insulating honeycomb panel by layering and adhering together an air-permeable material, a honeycomb material filled with a sound absorbing material, and a reflective material, there has been a problem where, since the thickness of the wall surface of the honeycomb material is thin, adhesion with the air permeable material is difficult because such adhesion is between a line and a surface, and adhesive strength is also low. [Solution] A water-absorbing honeycomb material is used and ends of wall surfaces of cells of the honeycomb material are immersed in a water-soluble adhesive to make the ends flexible over a fixed period of time, and thereafter the ends are strongly pressed against the air permeable material serving as an adhesion partner so that tip portions of the ends deform into an inverted T-shape, thereby adhering while widening the adhesive area.
Inventors:
TAKE KOICHI (JP)
NAKAMURA TOMOHISA (JP)
IWASAKI DAISUKE (JP)
NEMOTO TAKUMA (JP)
NAKAMURA TOMOHISA (JP)
IWASAKI DAISUKE (JP)
NEMOTO TAKUMA (JP)
Application Number:
PCT/JP2019/025329
Publication Date:
May 14, 2020
Filing Date:
June 26, 2019
Export Citation:
Assignee:
SHIZUKA CO LTD (JP)
International Classes:
G10K11/16; B32B3/12; B32B5/18; B32B15/02; B32B15/20; E04B1/86; E04C2/36; G10K11/168
Foreign References:
| JP2007062181A | 2007-03-15 | |||
| JPS5289481U | 1977-07-04 | |||
| JP2015199320A | 2015-11-12 | |||
| JP5127975B1 | 2013-01-23 | |||
| JP3806744B1 | 2006-08-09 | |||
| JPS5127975B1 | 1976-08-16 | |||
| JP6292339B1 | 2018-03-14 | |||
| JPS50178337A | ||||
| JPS5289481U | 1977-07-04 | |||
| JPS6331619B2 | 1988-06-24 |
Other References:
See also references of EP 3680893A4
Attorney, Agent or Firm:
KATO Takao (JP)
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