INSTALLATION CONDUIT AND APPARATUS FOR THE MANUFACTURE¹THEREOF

摘要

The invention relates to a conduit for electrical wiring or cable duct for laying lines which can be drawn in by means of a draw-in cord (12). The draw-in cord (12) is longer than the conduit (10), preferably one-third longer, so that it can be firmly gripped and does not recede into the conduit (10) when the latter is cut to a desired length. A device for manufacturing a plastic conduit for electrical wiring (10) comprises an injection head (28) which has a connecting channel (30) for supplying the plasticized raw material and an outlet nozzle (36). A pneumatic transport channel (50) which moves the draw-in cord (12) forward and is connected to a source of compressed air passes through the injection head (28).