Complex sound-insulating material and flooring

Details Complex sound-insulating material and flooring Complex sound-insulating material and flooring

1991-03-29

1993-02-23

Ridgill, Jr., James L.

Static structures (e.g., buildings)

With exposed configuration having acoustical function

523094, 52612, E04B 182

Patent

active

051879050

ABSTRACT:
This invention relates to a complex sound-insulating material comprising a first lower sub-assembly, itself comprising at least one layer of a bituminous product, and a second upper layer which covers said first sub-assembly. The first sub-assembly comprises a first upper layer, a first intermediate layer and a first lower layer, whilst a) each of the first upper and lower layers is made of oxidized bitumen reinforced with first fibers and has a surface mass of between 500 and 1000 g/m.sup.2 ; b) the first intermediate layer is made of an organic binding agent, such as a bitumen, and by second fibers which are embedded in said binding agent and are in a non-woven form; and c) the second upper layer is made of an elastic foam.
One application of the invention is the production of a sound-insulated tiled flooring.

REFERENCES:
patent: 3266206 (1966-08-01), Cosby et al.
patent: 3282008 (1968-11-01), Sheahan
patent: 3455076 (1969-07-01), Clarvoe
patent: 3666606 (1972-05-01), Stokes
patent: 3724152 (1973-04-01), Castellarin
patent: 4685259 (1987-08-01), Eberhart et al.

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