Development of Domestic Double-Wall Corrugated Pipes
Wu Nian · Gōsei jushi · 2007
Recently,domestic buried plastics pipe develops very quickly.It's analysised that how double-wall corrugated pipe of HDPE to be the mainstream product of domestic buried plastics pipe,and introduced that the key technical of HDPE double-wall corrugated pipe connection is to guarantee a certain wall thickness to the bell end.Some methods to achieve the goal above are introduced,and it is pointed out the most economical and practical method is to thicken the partical of single ball bell end.