Title:
吸音パネル
Document Type and Number:
Japanese Patent JP6678137
Kind Code:
B2
Abstract:
To suppress acoustic resonance in a space at the back of a sound absorptive panel to improve sound insulation performance.SOLUTION: A partition part 20 includes a first partition part 30 and a second partition part 40. The first partition part 30 extends in an opposite direction Z and a first direction X. The second partition part 40 extends in the opposite direction Z and a second direction Y. Two small spaces S40 adjacent to each other with the first partition part 30 interposed therebetween are assumed as a one-side small space S41 and an other-side small space S42. The other-side small space S42 is positioned at a position shifted from the one-side small space S41 in the first direction X. The first partition part 30 includes communication holes 31 that communicate the one-side small space S41 and the other-side small space S42.SELECTED DRAWING: Figure 1
Inventors:
Juichi Yamagiwa
Takahiro Yamada
Masaharu Horio
Takahiro Yamada
Masaharu Horio
Application Number:
JP2017142157A
Publication Date:
April 08, 2020
Filing Date:
July 21, 2017
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
Shinko Building Materials Industry Co., Ltd.
Shinko Building Materials Industry Co., Ltd.
International Classes:
G10K11/16; E01B19/00; E01F8/00; E04B1/84
Domestic Patent References:
| JP2013077019A | ||||
| JP2016009020A | ||||
| JP2016020584A | ||||
| JP61057993A | ||||
| JP2001092468A |
Foreign References:
| US3507355 | ||||
| US20110100747 |
Attorney, Agent or Firm:
Kaji/Suhara Patent Office