PVC/CPVC COMPOSITE PIPE WITH METAL INTERLAYER AND PROCESS FOR MAKING IT

摘要

The invention relates to a coupling (60) comprising an outer cylindrical barrel (61) having fore and aft ends and comprising a radially inwardly extending flange (62), wherein the flange (62) coaxially supports a tapered inner barrel-shaped member (63) located at about the midpoint of the barrel (61) having fore and aft ends (64, 65) that converge towards the center with a taper.