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Title:
SOUND-DAMPING TUBULAR STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/069908
Kind Code:
A1
Abstract:
Provided is a sound-damping tubular structure that has high strength and also can be disposed in a narrow space. The present invention has: a tubular member, which has a cylindrical tubular part and a frame body part of which at least a part is integrally molded with the inner-circumferential-surface side of the tubular part; and a lid member exchangeably disposed on an opening surface of the frame body part of the tubular member; the frame body part and the lid member constituting a resonance-type sound-damping structure.

Inventors:
HAKUTA Shinya (577 Ushijima, Kaisei-machi, Ashigara-kami-gu, Kanagawa 77, 〒2588577, JP)
YAMAZOE Shogo (577 Ushijima, Kaisei-machi, Ashigara-kami-gu, Kanagawa 77, 〒2588577, JP)
OHTSU Akihiko (577 Ushijima, Kaisei-machi, Ashigara-kami-gu, Kanagawa 77, 〒2588577, JP)
SUGAWARA Yoshihiro (577 Ushijima, Kaisei-machi, Ashigara-kami-gu, Kanagawa 77, 〒2588577, JP)
Application Number:
JP2018/036848
Publication Date:
April 11, 2019
Filing Date:
October 02, 2018
Export Citation:
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Assignee:
FUJIFILM CORPORATION (26-30, Nishiazabu 2-chome Minato-k, Tokyo 20, 〒1068620, JP)
International Classes:
G10K11/16; F16L55/02; F24F13/02; G10K11/162; G10K11/172
Foreign References:
US20150345497A12015-12-03
JP2013218026A2013-10-24
JP2017138580A2017-08-10
JP2007270687A2007-10-18
JPH05133664A1993-05-28
JP2004264372A2004-09-24
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (XYMAX Iwamoto-cho Building 6F, 3-3 Iwamoto-cho 2-chome, Chiyoda-k, Tokyo 32, 〒1010032, JP)
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