| 摘要 |
The invention relates to a treatment head for cleaning containers (2) which have a valve arrangement (2.1), comprising a tappet (4) which is movably held in a treatment head housing (3) for opening the valve arrangement (2.1) of the container (2). The treatment head also comprises a first fluid channel (5) which is provided in the treatment head and which has at least one annular fluid channel section (5.3) and a second fluid channel (6) which is circumferentially surrounded by the first fluid channel (5) at least in some sections. The first and second fluid channel (5, 6) are provided in order to supply and/or discharge a liquid or gaseous fluid into/out of the container (2). Means for generating a spiral flow are provided in the first fluid channel (5) or in a fluid line (7) connected to the first fluid channel (5). |
