| 摘要 |
<p>Apparatus (1) for dispensing incoherent material from a container (2) to an underlying user unit (6), comprising a conduit (7) whose superior extremity (7a) can be placed in communication with an outlet (4) of the container (2) by means of a valve element (5) comprising a shutter (21) provided with a disk-shaped element (28) and a screen (31) associated to the disk-shaped element (28) in a releasable manner by means of a plurality of permanent magnets (57) positioned on the disk-shaped element (28) and a plurality of magnets (58) positioned on the screen (31) and facing the magnets (57). <IMAGE></p> |
