Acoustics – Sound-modifying means – Sound absorbing fence or screen
Patent
1985-02-21
1986-01-28
Fuller, Benjamin R.
Acoustics
Sound-modifying means
Sound absorbing fence or screen
181290, B64F 126
Patent
active
045665583
ABSTRACT:
A noise barrier for the abatement of transportation-related or industrial noise is disclosed which includes a plurality of adjoining, upright panels supported by support structure. The support structure includes a plurality of spaced-apart upright posts each positioned between two adjacent panels and which provide inwardly-facing grooves for receiving the ends of the panels. Panels are stacked and are supported in the grooves to form a barrier of a desired height. The panels have a reinforced plastic foam slab attached to and sandwiched between a plastic sheet defining a traffic face to be oriented towards the source of noise and a plastic sheet defining a residential face. Pockets filled with a sound absorption material are formed in the panels at the traffic face which is selectively perforate or imperforate to achieve the desired sound transmission loss/sound absorption capabilities.
REFERENCES:
patent: 2140210 (1938-12-01), Schenk
patent: 2350513 (1944-06-01), Leadbetter
patent: 3611653 (1970-04-01), Finn
patent: 3656576 (1972-04-01), Gubela
patent: 4143495 (1979-03-01), Hiatz
patent: 4144296 (1979-03-01), Dickens
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patent: 4284447 (1981-08-01), Dickens
patent: 4330046 (1982-05-01), Lerner
patent: 4358090 (1982-11-01), Glaesener
Cronan Ronald E.
Link, Jr. Julian V.
Fuller Benjamin R.
Marine Systems, Inc.
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