Method for making a self-supporting flexible hose, devices for effecting this method and self-supporting flexible hose.

摘要

Method for making a flexible hose (2) with in cross section one flat side, and a spiral coil of a profiled strip (72) with upright distant edges engaging with each other in adjacent windings in which said profiled strip (72) is wound on a mandrel (70) of suitable cross section and a discrete filling element (82) is inserted into each of the respective hollow internal spaces of the wall during the winding of the profiled strip (72) on the mandrel (70); device for carrying out this method and a flexible hose (2) obtained by this method with discrete filling elements (84) in the respective hollow spaces.