Noise barrier

Details Noise barrier Noise barrier

1997-09-15

1999-05-11

Dang, Khanh

Acoustics

Sound-modifying means

Sound absorbing fence or screen

52144, G10K11/00

Patent

active

059029692

ABSTRACT:
A noise barrier for use especially outdoors or by roadways. The barrier comprises two main components, namely a relatively light sound-insulating plane and a grating-like part which constitutes the outward appearance of the noise barrier. The sound-insulating plane is a carpet-like part disposed inside the grating-like part and hangs freely therefrom or from another support frame. The grating-like part screens the sound-insulating plane from view, and is designed such that neither accuracy nor an immobile foundation is needed in the mounting of the noise barrier in order to make its outward appearance acceptable. If the grating is made for example spiral and the plane folded or rolled up, the construction can be arranged in a small room for transport and unrolled when it is mounted. The noise barrier can also function as a crash wall.

REFERENCES:
patent: 3667175 (1972-06-01), Bjorksten
patent: 3936035 (1976-02-01), Wemar et al.
patent: 5329073 (1994-07-01), Shono et al.

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