F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 9/128 (2006.01)
Patent
CA 2584886
The present invention relates to a corrugated pipe (1) made of thermoplastic plastic, which includes an inner pipe (2) and a corrugated outer pipe (3) connected thereto, wherein the profile of the outer pipe comprises first sections (4) with a first average diameter, second sections (5) with a second average diameter greater than the first average diameter, and, disposed therebetween, flanks (6) that connect the first sections (4) to the respective adjacent second sections (5). The geometric relationships of the inventive corrugated pipe (1) are designed to yield not only high rigidity against pressure forces acting on the corrugated pipe in the radial direction and high flexibility with regard to bending of the corrugated pipe transversely to its longitudinal axis, but also, at the same time, a low weight in comparison to conventional corrugated pipes. This reduces the consumption of plastic during production and makes the corrugated pipe easier to handle when it is being laid. (Fig. 3)
Hetzner Claus
Kellner Michael
Drossbach Gmbh & Co. Kg
Smart & Biggar
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