Title:
SOUND-ABSORPTION STRUCTURE OF WALL SURFACE
Document Type and Number:
Japanese Patent JP3922168
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a sound-absorption structure of a wall face having a high acoustic absorption effect whose panel itself can be supported so as to be easy to vibrate and which has a wall face with a high acoustic effect.
SOLUTION: A panel 2 is arranged in parallel with a wall face 1 at a specified distance from the wall face 1. An upper fixing metal fitting 4 is fixed to the wall face 1 along the upper end face of the panel 2 and a lower fixing metal fitting 5 is fixed to the wall face 1 along the lower end face of the panel 2. The upper fitting piece 4a of the upper fixing metal fitting 4 is loosely fitted in an upper fitting hole 6 formed in the upper end face of the panel 2 and a lower fitting piece 5a of the lower fixing metal fitting 5 is loosely fitted in a lower fitting hole 7 formed in the lower end face of the panel 2. Such a space S that the panel 2 can move in the thickness direction of the panel 2 is formed between the upper fitting hole 6 and the upper fitting piece 4a and between the lower fitting hole 7 and the lower fitting piece 5a.
Inventors:
Tamura Furumura
Hiroki Shioda
Hiroki Shioda
Application Number:
JP2002342952A
Publication Date:
May 30, 2007
Filing Date:
November 26, 2002
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
E01F8/00; E04B1/86; G10K11/16; (IPC1-7): E04B1/86; G10K11/16; //E01F8/00
Domestic Patent References:
| JP10088691A | ||||
| JP9228794A | ||||
| JP2001090235A | ||||
| JP52028917U | ||||
| JP60075509U | ||||
| JP5061214U |
Attorney, Agent or Firm:
Keisei Nishikawa
Atsuo Mori
Atsuo Mori