| 摘要 |
<p>A dosing unit comprises piston means (3) movable along a first axis (W1) in a cavity (4) of casing means (5), provided with an inlet (82) and with an outlet (83) for a product to be dosed, and in a further cavity (53) of the casing means (S), connected to and substantially coaxial with the cavity (4) and provided with a further outlet (54) for cleaning and/or sterilising fluids; the casing means (5) comprises an internal tubular element (51), in which the cavity (4) is made, and a covering element (52), that externally envelops the internal tubular element (51) and extends from an end of said internal tubular element (51) in such a way as to form the further cavit (53).</p> |
