Abstract: The invention relates to a process for the manufacture of composites from cores and facings with a liquid and/or pasty adhesive. The core is wetted with a liquid which also serves as a solvent and/or wetting agent for the adhesive.

Abstract: The efficiency of equipment for heating process water and containing a solar collector can be substantially improved by connecting a solar collector of low volume but large surface with a reservoir of variable volume in such a manner that fresh water can be fed directly to the collector, but fresh water is not fed to the system in substantial amounts on removal of hot water as long as a certain minimum amount of water is present in the reservoir. Thus, an amount of water corresponding to the charge of the reservoir can be removed from the equipment at a constant temperature.

Abstract: An apparatus for making a laminate has a rack having upper and lower vertically displaceable platforms adapted to support respective stacks of upper and lower foils and set up so that the uppermost foils of the respective stacks are always positioned at respective upper and lower levels. A central conveyor has an upstream stretch extending horizontally between the upper and lower platforms from a position upstream of these platforms to a position spaced downstream therefrom, so that it can displace a board in a transport direction between these platforms to an assembly location downstream of the platforms.