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Patent Searching and Data


Title:
SOUNDPROOFING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2017/208930
Kind Code:
A1
Abstract:
A soundproofing material comprises a porous body with a cell structure including inorganic fibers other than asbestos, the soundproofing material having an average cell diameter of more than 300 μm and not more than 1000 μm, a bulk density of 0.007 to 0.024 g/cm3, and a flow resistance of 170,000 to 2,000,000 Ns/m4.

Inventors:
MURAYAMA, Kazutaka (6-1 Hatchobori 1-chome, Chuo-k, Tokyo 55, 〒1048555, JP)
TSUKAHARA, Keiji (6-1 Hatchobori 1-chome, Chuo-k, Tokyo 55, 〒1048555, JP)
SASAKI, Hikari (6-1 Hatchobori 1-chome, Chuo-k, Tokyo 55, 〒1048555, JP)
TOMITSUKA, Yuuma (6-1 Hatchobori 1-chome, Chuo-k, Tokyo 55, 〒1048555, JP)
MIKI, Tatsuro (6-1 Hatchobori 1-chome, Chuo-k, Tokyo 55, 〒1048555, JP)
ANDO, Daisuke (6-1 Hatchobori 1-chome, Chuo-k, Tokyo 55, 〒1048555, JP)
Application Number:
JP2017/019363
Publication Date:
December 07, 2017
Filing Date:
May 24, 2017
Export Citation:
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Assignee:
NICHIAS CORPORATION (6-1 Hatchobori 1-chome, Chuo-ku Tokyo, 55, 〒1048555, JP)
International Classes:
G10K11/162; B32B5/02; B32B5/18; C03C13/00; C04B38/10; G10K11/168
Attorney, Agent or Firm:
HEIWA INTERNATIONAL PATENT OFFICE (Shibashin Kanda Bldg. 3rd Floor, 26 Kanda Suda-cho 1-chome, Chiyoda-k, Tokyo 41, 〒1010041, JP)
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