Method and apparatus for making a multitubular assembly, applications of the assembly and panel constructed thereby.

摘要

The invention relates to a one-piece assembly of tubes which are laterally contiguous and fixed together. …An initial assembly is produced with the tubes where the tubes are laterally contiguous but not fixed together and the tubes are fixed together only at the two ends of the assembly or only at one end of the assembly. An apparatus for producing the assembly comprises means (7) for forming an assembly of tubes which are laterally contiguous but not fixed together, cutting means (10) for cutting this assembly transversely to the tubes and fixing means (10) for fixing together the ends of the tubes which are located in the cutting plane. …The multiple-tube assembly is especially useful for constituting the core of a panel or of a sandwich-construction. ……