| 摘要 |
<p>A line for conveying fluids comprises a metal tube (1) and a plastic cover (4). The metal tube is formed of flexible corrugated tubing (1). The plastic cover (4) is disposed on the metal tube by extrusion, wherein the cover is attached to the top of the corrugations of the metal tube by an adhesive layer (3). The spacings between the corrugations in the wall of the tube remain free. Between the adhesive layer and the metal tube, an epoxy layer (2) is provided. In this way, a fluid line is obtained which is well secured, easily transportable and installable, and which can be used underground.</p> |
