Patent ID: 6860075

Claim:
A device for surface-treating, coating or producing construction elements in a continuous process, the device comprising: production chambers arranged successively closely adjacent to one another in a direction of transport of the construction elements through the device; each one of the production chambers having opposed ends with through openings; each one of the production chambers configured to be connected to a vacuum source; each one of the production chambers comprised of a stationary chamber part of reinforced concrete and a detachable chamber part of reinforced concrete connected to the stationary chamber part, wherein the stationary chamber part has first edge areas and the detachable chamber part has second edge areas, wherein the first and second edge areas have sealing surfaces configured to seal the stationary and detachable chamber parts relative to one another; each one of the production chambers having walls defining a hollow interior, wherein the walls consist of a metallic skin anchored in the stationary and detachable chamber parts, respectively.