| 摘要 |
<p>Drawing in a liquid product from a bottle (2) is performed by means of a syringe (3) provided with a needle (9) defined by a suction cannula (12) fitted on an engagement element (10) having at least one air-relief channel (11), and envisages perforation of a membrane (5) for closing the bottle (2), keeping the bottle (2) and the syringe (3) inclined with respect to a vertical reference direction (14), and drawing in the liquid product according to at least three distinct suction steps, in which the air-relief channel (11) is displaced, respectively, outside, inside, and again outside the bottle (2).</p> |
