Patent ID: 6170705
Filing Date: 2001-01-09
Classification: B65D

Abstract:
Double-walled tube (1) intended to store and dispense corrosive products, comprising a inner tube (10) having a skirt (13), a shoulder (12) and an inner neck (11) containing a inner opening (14), a metal tube having a skirt (25), a shoulder (24) and an outer neck (21), the two tubes being connected together at the necks (11 and 21) by a nozzle (30) comprising a base (34) and at least one outer skirt (35) that grips the two necks (11 and 21) together, wherein the nozzle (30) is provided with a inner skirt (31) the outer surface of which has an overall tapered profile such that when the nozzle (30) is forced downward said inner skirt (31) causes the circumferences of the central parts of the necks (11 and 21) to expand and the ends of said necks to flare.