Title:
吸音装置
Document Type and Number:
Japanese Patent JP6744171
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a sound absorption apparatus capable of improving mounting strength of a front plate to a back plate.SOLUTION: A sound absorption apparatus configured to be installable on the rear surface side of an expressway comprises: a box-shaped frame 1; and a sound absorption member 2 provided in an internal space S of the frame 1. The frame 1 includes: a front plate 11 that is to be arranged on the upper side in the case of the frame being installed on the rear surface side of the expressway; and a back plate 12 that is to be arranged on the lower side in the case of the frame being installed on the rear surface side of the expressway. The front plate 11 includes: a body part 111 on which a plurality of apertures are formed; an end plate part 112 extending from an end of the body part 111 to the back plate 12 side; and a mounting plate part 113 extending from a tip of the end plate part 112 to the inside. The mounting plate part 113 is arranged outside the back plate 12 and is mounted on the back plate 12 using a blind rivet 14a.SELECTED DRAWING: Figure 7
Inventors:
Yoshifumi Nagata
Mitsuru Nakamura
Setsuya Kazui
Kenji Matsuu
Toru Hagiwara
Mitsuru Nakamura
Setsuya Kazui
Kenji Matsuu
Toru Hagiwara
Application Number:
JP2016155838A
Publication Date:
August 19, 2020
Filing Date:
August 08, 2016
Export Citation:
Assignee:
Shuto Expressway Co., Ltd.
Sekisui Resin Co., Ltd.
Sekisui Resin Co., Ltd.
International Classes:
E01F8/00; E01B19/00; E01D1/00; E01D19/02; G10K11/16
Domestic Patent References:
| JP2001064922A | ||||
| JP2002285517A | ||||
| JP9111910A | ||||
| JP2001193020A |
Foreign References:
| US5756942 |
Attorney, Agent or Firm:
Patent Business Corporation Ark Patent Office