PROCEDE DE TRAITEMENT SUPERFICIEL DE DOUILLES EN MATIERES NON-METALLIQUES, TELLES QUE DES CARTOUCHES ET DOUILLES AINSI TRAITEES

摘要

The invention relates to a process for surface treating porous combustible cartridge cases, said process consisting in applying a first barrier layer on the outer surface of the case, and, on this layer a water impervious layer so that the case is rendered moisture- and waterproof without modification of its porous structure.