F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/15 (2006.01) F16L 9/133 (2006.01) F16L 11/11 (2006.01) F16L 11/20 (2006.01)
Patent
CA 2526332
The present invention relates to a corrugated pipe (1) made of a thermoplastic material which comprises an inner pipe (2) and a corrugated outer pipe (3) connected therewith, whereby the profile of the outer pipe has first sections (4) with a first average diameter, second sections (5) with a second average diameter which is greater than the first average diameter, and flanks (6) between them which connect the first sections (4) with the respectively adjacent second sections (5). The geometric ratios of the corrugated pipe (1) according to the invention are designed in such a way that not only is a high rigidity given against compressive forces acting in radial direction on the corrugated pipe and a high flexibility relative to a deformation fo the corrugated pipe diagonally to its longitudinal axis, but at the same time a low weight in comparison to conventional corrugated pipes. As a result, the plastic required for the production is reduced and the handling of the corrugated pipe is facilitated during laying.
Hetzner Claus
Kellner Michael
Drossbach Gmbh & Co. Kg
Smart & Biggar
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