| 摘要 |
<p>A device for dispensing sterilised liquid, gas-containing and pasty products, capable of keeping hermetic containers and packages for liquid, viscous and pasty contents permanently pressurised, sealed and sterilised, comprises a sliding pressurising plunger (2) that can be actuated by means of a handle, a push rod or hydraulically, an inner flexible duct (8) being attached to one end of the plunger, a tap-like opening and closing device (4) being attached to the other end of the plunger, and a non-return device (3) being coupled to the duct.</p> |
