Noise barrier

Details Noise barrier Noise barrier

1985-02-05

1987-03-17

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Sound absorbing fence or screen

181284, G10K 1100

Patent

active

046500324

ABSTRACT:
A panel is provided for use in a sound absorbing wall structure. The panel includes a front of wood based material having perforations, a back parallel with the front and separated from the front. Sound absorbing material is positioned in engagement with the front within the space covering the perforations so that the panel absorbs sound directed at the perforated front of the panel by absorption in the material of the front as well as in the sound absorbing material.

REFERENCES:
patent: Re28976 (1976-09-01), Zinn
patent: 2232793 (1941-02-01), Lowry
patent: 3195698 (1965-07-01), Codren
patent: 3538658 (1970-11-01), Lavalley et al.
patent: 3592289 (1971-07-01), Aysta et al.
patent: 4042061 (1977-08-01), Murakani
patent: 4306631 (1981-12-01), Reusser
patent: 4325457 (1982-04-01), Docherty et al.
patent: 4402384 (1983-09-01), Smith et al.

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