Title:
LAMINATE PANEL
Document Type and Number:
Japanese Patent JP2022162917
Kind Code:
A
Abstract:
To provide a laminate panel capable of improving sound absorbency, non-combustibility, and rigidity.SOLUTION: A laminate panel 1 includes a porous layer 2, a first fiber layer 31, a non-ventilation layer 4, and a second fiber layer 32. The porous layer 2 includes a first face 21 and a second face 22 on a side opposite to the first face 21. The first fiber layer 31 is arranged on the first face 21 of the porous layer 2, and includes at least any of fiber nonwoven fabric and fiber woven fabric. The non-ventilation layer 4 is arranged on the second face 22 of the porous layer 2. The second fiber layer 32 is arranged on a face of the non-ventilation layer 4 on a side opposite to the porous layer 2, and includes fiber woven fabric. The laminate panel 1 includes a plurality of through holes 7 penetrating the non-ventilation layer 4 and the second fiber layer 32.SELECTED DRAWING: Figure 1
Inventors:
OGURA TOMOKO
SAWADA HIROSHI
HASHIMOTO NAMI
SAWADA HIROSHI
HASHIMOTO NAMI
Application Number:
JP2021067986A
Publication Date:
October 25, 2022
Filing Date:
April 13, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
B32B5/24; E04B1/86; E04B1/94; E04C2/296; G10K11/168
Attorney, Agent or Firm:
Patent business corporation Hokuto patent office