Method for manufacturing blowing jet pipe for cleaning filter tubes, involves adding opening in pipe body and nozzle pipe is fastened with opening on pipe body in flow connection

摘要

The method involves adding an opening (70) in a pipe body (6) and a nozzle pipe (11) is fastened with the opening on the pipe body in flow connection. The opening in the pipe body is pierced from inside, where the nozzle pipe is inserted in the opening with an end area and is fixed on the edge of the opening in its inserted area by cold forming. An independent claim is included for a device for manufacturing a blowing jet pipe.