Method of installing sound absorbing bodies on a sound insulatio

Details Method of installing sound absorbing bodies on a sound insulatio Method of installing sound absorbing bodies on a sound insulatio

1994-09-02

1996-05-28

Dang, Khanh

Acoustics

Sound-modifying means

Sound absorbing fence or screen

181284, 181290, 52144, G10K 1100

Patent

active

055213383

ABSTRACT:
First, sound absorbing plates made of a hard material are fixed to both side plates of shaped steel members extending upward from a sound insulation wall at intervals that are equal to arrangement spans of the shaped steel members. Then, sound absorbing members that have been formed into a predetermined shape and length are attached to outer surfaces of the sound insulation plates.

REFERENCES:
patent: 4214411 (1980-07-01), Pickett
patent: 4899846 (1990-02-01), Furuta et al.
patent: 5329073 (1994-07-01), Shono et al.
Improvements of Noise Reducer, Expressways and Automobiles, vol. 36, No. 2, pp. 39-42, Feb. 1, 1993, Express Highway Research Foundation of Japan.

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