| 摘要 |
<p>This device includes metering valves (31, 32, 33)arranged in at least one circumferential row in such a manner that the valves of a circumferential row follow a circular path (TC1, TC2, TC3) during rotation of the dispenser device. It further includes a cleaner system for cleaning the valves and including at least one stationary dry brush (41, 42, 51, 52, 60) that is arranged on at least one circular path (TC1, TC2, TC3) in such a manner as to come into rubbing contact against the valves of at least one circumferential row of valves.</p> |
