Procedure for the realization of tubular profiles open etal m Noble.

摘要

UNDERSTANDS A MEDIA PROFILE (1), OF MATERIAL NOBLE, which has the form of a ribbon of metal, and having, on one side, at least one projection or longitudinal rib (11) placed at a predetermined distance with an edge. OPPOSITE FACE ON THE PLANE HAS BEEN PLACED FOIL (2) precious metal, whose length is sufficient to allow at least a partial wrap around the edges of the carrier profile (1). THIS PACKAGE THEREFORE SUBJECT TO TREATMENTS PLASTIC STRAIN PRODUCING THE PLEGATURA, IN ORDER TO OBTAIN A TUBULAR bimetallic INSIDE which the weld metal is entered. DRAWING SUCCESSIVE OPERATIONS ALLOWED TO CARRY OUT THE TUBULAR DIMENSIONS AND WAYS TO PRE-ESTABLISHED.