Flexible tube connectable to gas or liquid carring tubes, e.g. in vacuum cleaners, can be bent into arc and contains round holes or slits

摘要

The tube is flexible enough to be able to temporarily form a partial arc of 100-250 (160-210) deg., and it contains openings (9) in the form of round holes and/or slits. The tube contains a flexible rail (2) enclosed in a casing (3).