METHOD FOR ELECTROCHEMICALLY PRODUCING CARBON MATERIAL WITH ITS SURFACE MODIFIED BY FUNCTIONALISED GROUPS, NOVEL CARBON MATERIAL WITH MODIFIED SURFACE AND ITS APPLICATION

摘要

Double-walled tube (1) for storing and dispensing AGGRESSIVE PRODUCTS comprising an inner tube (10) having a lip (13), a projection (12) and an inner neck (11) defining an internal bore (14) a metal tube with a lip (25), a projection (24) and an outer sleeve (21), the two tubes connected together HEIGHT their necks (11 and 21) A ferrule (30) a bottom (34) and at least one outer skirt 835) CONTAINING THE TWO NECKS (11 and 21), wherein the nozzle (30) includes an internal SKIRT (31) the outer wall has a profile GLOBALLY frustum, So when the ferrule (30) is sunk pressurized SKIRT said internal (31) IMPOSE AN eXPANSION TO THE PARTIES MEDIUM-SIZED circumferential necks (11 and 21) and a widening of the ends of said necks.