Variable length suction pipe for cleaning premises, has extensible and variable length tubular part and fixed length tubular part connected through cylindrical sleeve, where fixed length part has metallic reinforcement

摘要

The pipe has an end equipped with a unit (3) connected to a cleaning device (4) and another end equipped with a sleeve (5) connected to a suction inlet (6) that is connected to a suction unit through a suction pipe network. An extensible and variable length tubular part (8) and a fixed length tubular part (9) are connected through a cylindrical sleeve (10). The part (8) is constituted of a metallic reinforcement forming a covering for a polyurethane layer.