Acoustic construction panel

Details Acoustic construction panel Acoustic construction panel

1990-08-09

1992-06-30

Hix, L. T.

Acoustics

Sound-modifying means

Sound absorbing panels

181286, 181293, 181294, E04B 182

Patent

active

051254751

ABSTRACT:
An acoustic construction panel for use in the construction of walls, floors, or ceiling structures to improve the acoustical properties thereof, and a method of making that panel. The panel comprises a composition of natural wood fibers, paper and starch, and is absent of any chemical toxic products. The panel has a minimum thickness of about 3/4-inch, and an average density in the range of from about 15-lb/ft.sup.3 to 17-lb/ft.sup.3. A plurality of cavities are perforated on one surface of the panel to increase the acoustical surface properties of the panel. In the construction of the panel the wood pulp is directed into a holding tank for a predetermined period of time in order to expand the wood fibers, and further in which a composite mixture is produced by introducing into the wood pulp predetermined quantitites of starch and wax.

REFERENCES:
patent: 2668123 (1954-02-01), Copeland
patent: 3159236 (1964-12-01), Akerson
patent: 3167151 (1965-01-01), Jack et al.
patent: 4160491 (1979-07-01), Matsumoto et al.

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