an apparatus for vorwaertstreiben strahlduese along a tube and device fitted with such a strahlduese.

摘要

A jet nozzle (18) for use in propelling a trolley or sledge (10) provided with a television or video camera (15) along a conduit, such as a sewer, for use in inspecting the interior of the conduit, the jet nozzle (18) comprising a casing (20) having an end wall (21) provided with a plurality of discharge openings (22) communicating with a chamber (25) formed between said end wall (21) and a transverse wall (24), an inlet (23) in communication with the chamber (25) and connected to a hose (19), a bearing (26) provided on the casing (20) mounting a connector member (28) for connecting the jet nozzle (18) to the trolley or sledge (10) and allowing the casing (20) to rotate relative to the connector member (28).