Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FIBER AGGREGATE FOR SOUND INSULATION, SOUND ABSORBING/INSULATING MATERIAL, AND SOUND ABSORBING/INSULATING MATERIAL FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/004408
Kind Code:
A1
Abstract:
[Problem] To provide a fiber aggregate for sound insulation that is able to effectively insulate sound by a simple structure, a sound absorbing/insulating material and a sound absorbing/insulating material for a vehicle that comprise this fiber aggregate for sound insulation. [Solution] This fiber aggregate for sound insulation has a mean fiber diameter of 450-8500 nm and a bulk density of 0.09-0.33 g/cm3. It is particularly desirable that the fiber aggregate for sound insulation have a mean fiber diameter of 450-1650 nm and a bulk density of 0.09-0.22 g/cm3. The fiber aggregate for sound insulation is lightweight and can effectively provide sound insulation performance by satisfying these numeric ranges.

Inventors:
SOTA Hiroyoshi (25-11 Higashi 3-Chome, Shibuya-k, Tokyo 11, 〒1500011, JP)
IKEAGAYA Morihiko (25-11 Higashi 3-Chome, Shibuya-k, Tokyo 11, 〒1500011, JP)
URABE Kenichi (25-11 Higashi 3-Chome, Shibuya-k, Tokyo 11, 〒1500011, JP)
ECHIZENYA Takatsugu (25-11 Higashi 3-Chome, Shibuya-k, Tokyo 11, 〒1500011, JP)
HIROGAKI Toshiki (1-3 Tatara Miyakodani Kyotanabe-sh, Kyoto 94, 〒6100394, JP)
WU Wei (1-3 Tatara Miyakodani Kyotanabe-sh, Kyoto 94, 〒6100394, JP)
ISHII Yoshiaki (25-11 Higashi 3-Chome, Shibuya-k, Tokyo 11, 〒1500011, JP)
Application Number:
JP2018/024744
Publication Date:
January 03, 2019
Filing Date:
June 28, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
M-TECHX INC. (25-11, Higashi 3-Chome Shibuya-k, Tokyo 11, 〒1500011, JP)
International Classes:
G10K11/162; B32B5/26; B60R13/08; G10K11/168
Foreign References:
JPH1120570A1999-01-26
JP2014214398A2014-11-17
JP2014037647A2014-02-27
JP2015197601A2015-11-09
Attorney, Agent or Firm:
OPUS IP LAW FIRM (FORECAST SHINJUKU AVENUE 6F, 5-12 Shinjuku 2-Chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
Download PDF: