Patent ID: 8136554

Claim:
A molded plastic pipe for fuel-carrying return lines in injection systems for internal combustion engines, comprising: an inner pipe; an outer coating disposed on the inner pipe, the outer coating made of plastic material; and connections on the outer coating for further components of a fuel injection system, wherein the inner pipe is embodied as an inner plastic pipe with at least one pre-bent portion, wherein said inner plastic pipe is made from a plastic having low-temperature flexibility and said outer coating is made from a different plastic which, even at high engine compartment temperatures, has good dimensional stability and strength properties, wherein the outer coating has an integrally formed-on flange, a freely accessible tubular connection piece that is integrally injected, and at least one recess immediately adjacent the flange for receiving a sealing element, and wherein the inner plastic pipe, including an end edge thereof, is entirely surrounded by the plastic material of the outer coating.