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Patent Searching and Data


Title:
HEAT-INSULATING SOUND-ABSORBING MATERIAL, AND PARTITION WALL
Document Type and Number:
WIPO Patent Application WO/2021/059866
Kind Code:
A1
Abstract:
Provided are a heat-insulating sound-absorbing material having improved workability, and a partition wall which suppresses degradation of sound insulation performance. A heat-insulating sound-absorbing material 1, which is made from a mass of inorganic fibers, has a mass density of 10-20 kg/m3 and has a length load average fiber diameter of the inorganic fibers of the mass of 2.0-8.7 μm. The mass comprises a 20-66% inorganic fiber having a length load average fiber diameter of less than 4.0 μm, and a 13-58% inorganic fiber having a length load average fiber diameter of 7.0 μm or longer. The partition wall includes the heat-insulating sound-absorbing material in a hollow part therein.

Inventors:
YOKOO YUJI (JP)
HASEGAWA TOMOYA (JP)
SUGAYA HIROYUKI (JP)
HAYASHI YUKITERU (JP)
Application Number:
JP2020/032684
Publication Date:
April 01, 2021
Filing Date:
August 28, 2020
Export Citation:
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Assignee:
ASAHI FIBREGLASS CO (JP)
YOSHINO GYPSUM CO (JP)
International Classes:
D04H1/4209; D04H1/4218; D04H1/587; E04B1/76; E04B1/82; E04B1/86; E04B2/74
Attorney, Agent or Firm:
TANAKA Shinichiro et al. (Shin-Tokyo Bldg. 3-1, Marunouchi 3-chome, Chiyoda-k, Tokyo 55, JP)
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