Patent ID: 9458954
Filing Date: 2016-10-04
CPC Classification: B21D,B23K,F16L,Y10T

Claim Text:
1. A double-wall pipe for a transport means, comprising: an outer pipe; and an inner pipe extending in the outer pipe, wherein the inner pipe is designed to convey a fluid and is spaced apart from the outer pipe, and the outer pipe has exactly two pipe segments in the form of half-shells which are joined together along their longitudinal edges in order to form the outer pipe; wherein the double-wall pipe is a bent pipe; wherein the longitudinal edges of the pipe segments extend along a neutral bending line of the double-wall pipe; wherein the neutral bending line is a common centre line of the inner pipe and the outer pipe; wherein a curvature progression of the double-wall pipe is such that it has an inflection point at which the curvature of the double-wall pipe changes.