Device for sealing a joint of two pipe ends comprises an external flexible sealing element in the form of a collar with straps and burr type fastening surfaces

摘要

The device (V) for sealing a butt or insert joint of two pipe ends comprises an external flexible sealing element in the form of a collar (M) with straps (K) and burr type fastening surfaces (F). An Independent claim is also included for a water system, in particular, a rain-water collector, a cleaning pipe or a grease separator with such joint sealing devices.