A THIN WALLED FIBROUS TUBE FOR MEMBRANE FILTRATION WITH A LONGITUDINAL HEAT SEAL AND A PROCESS AND APPARATUS FOR MANUFACTURING THE SAME

摘要

An assembly comprising a non-woven tube having fixed on its inner side a membrane for membrane filtration, and a tearing element provided in the non-woven tube. The tearing element consists preferably of a longitudinal welding joint obtained by ultrasonic welding.