Röhrenförmige schalldichte Umhüllung für elektrische Kabel und Herstellungsverfahren

摘要

A tubular sheath (18) made of flexible plastic, used for the mechanical and/or thermal protection of electrical wiring is wrapped in a strip (band) (20) made of soundproofing material, the side parts (15,16) of which have been inserted inside the sheath through the slit (11). The width of the strip (band) (20), preferably made of felt, is substantially equal to the sum of the external and internal perimeters of the plastic sheath (10).