Construction panel for double floors in air conditioned rooms

Claim 1

An overhanging compound construction panel for double floors used in room air conditioning, the panel having an external, tub-shaped sheathing means made of a high tensile-strength and high Young's modulus material, said sheathing means having an upper portion and a bottom with an aperture therein, and a filler means introduced in said tub-shaped sheathing means when in the flowing or pourable state and of a low tensile-strength and low Young's modulus, characterized by at least one rigid annular body (16) fixed in said aperture (14) to the bottom (13) of the tub-shaped sheathing means (11) in essentially hermetically sealing relation therewith and anchored in the filler means (12), said annular body (16) having a lower portion and extending up to the upper portion of the sheathing means and being provided with a radially inwardly projecting annular flange (20) at the lower portion thereof for supporting an air discharge nozzle (21) within said annular body and a dirt-catcher (22) beneath said nozzle (21), said annular body (16) comprising an inner wall (25), and said annular flange (20) having an upper portion (23) that is separated from said inner wall (25) by an annular groove (24).