Abstract: A process for preparing shaped articles comprises the steps of:(a) mixing a water curable binder with vegetable particulate material to form a first mixture, the moisture content of said first mixture being insufficient to cure said binder prior to said mixture being placed in a mold;(b) feeding said first mixture to a mold having molding plates, said molding plates and said first mixture defining an interface;(c) providing water to at least a portion of said interface, the amount of water added at said interface, in conjunction with the moisture content of said first mixture, being sufficient to cure said binder; and,(d) subjecting said first mixture to elevated temperatures and pressures.

Abstract: A method of manufacturing shaped bodies, in particular boards, out of gypsum, water of hydration and comminuted fibers containing lignocellulose and/or cellulose is described in which all components are combined into a single starting mixture and at least one water saturated, essentially ground-moist, light aggregate is dispersed in this mixture as a fixed pore former. From this starting mixture there is formed a mat which is built up symmetrically in cross-section by means of a single double-sided wind sifting scattering process wherein the light aggregates are located in the central layer. This mat which is built up symmetrically in cross-section is pressed while supplying heat.