Title:
SOUND ABSORBING LAMINATED MATERIAL, SOUND ABSORBING MATERIAL AND SOUND ABSORBING FLOOR MAT MATERIAL
Document Type and Number:
Japanese Patent JP2009214871
Kind Code:
A
Abstract:
To provide a light weight sound absorbing skin material that excels in sound absorption and moldability, and a sound absorbing material utilizing the same.
A fiber sheet 3 on its one major surface or both major surfaces is laminated with a creped and/or embossed drawn paper material (for example, creped paper 1b) to thereby obtain a sound absorbing laminated material 6. The drawn paper material has a crepe ratio of 10 to 50%, a projected height of 0.02 to 2.00 mm and a projection count of 20 to 200 projections/cm2. The sound absorbing laminated material 6 is laminated with a sheetlike breathable porous material 7 to thereby obtain the sound absorbing material 8.
Inventors:
OGAWA MASANORI
FUJII SHIN
MIZUTANI NAOHIRO
FUJII SHIN
MIZUTANI NAOHIRO
Application Number:
JP2009024830A
Publication Date:
September 24, 2009
Filing Date:
February 05, 2009
Export Citation:
Assignee:
NAGOYA OIL CHEM CO LTD
International Classes:
B32B5/24; B60R13/08; G10K11/16; G10K11/162
Attorney, Agent or Firm:
Tadao Usami
Yasutoshi Iwata
Yu Yamamoto
Yasutoshi Iwata
Yu Yamamoto
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