초록 ▼

An acoustical panel, for ceilings or for area separation, and the method of making such panels, wherein the panel consists essentially of a unitary frame consisting of four sides, each with an inwardly opening channel, an outwardly opening rebend and a downwardly extending flange, the panel further

An acoustical panel, for ceilings or for area separation, and the method of making such panels, wherein the panel consists essentially of a unitary frame consisting of four sides, each with an inwardly opening channel, an outwardly opening rebend and a downwardly extending flange, the panel further including a rigid gypsum board with edges filling the frame channel, a low density sound absorbing mat within the confines of the downwardly extending flanges, and a porous fabric facing concealing the acoustical mat and affixed to the frame by disposing the fabric edges in the outwardly opening rebends and crimping the rebends tightly closed.

대표청구항 ▼

An acoustical panel comprising a thin unitary, four-sided frame, a rigid board, at least one low density sound absorbing mat and at least one porous fabric facing, said frame having in each of four sides an inwardly directed channel, said rigid board having four side edges, said four side edges bein

An acoustical panel comprising a thin unitary, four-sided frame, a rigid board, at least one low density sound absorbing mat and at least one porous fabric facing, said frame having in each of four sides an inwardly directed channel, said rigid board having four side edges, said four side edges being disposed within and substantially completely filling said frame channel, said frame having, in each side, at least one outwardly opening rebend adjacent said channel and a flange adjacent said rebend extending away from said channel, said flanges of said frame four sides forming a space therewithin wherein said low density mat is disposed, said fabric facing having four edges, said facing four edges being disposed and tightly held within said rebends of said frame four sides, said facing extending over said flanges and over said low density mat, retaining said low density mat within the confines of said four flanges.