| 摘要 |
<p>Disclosed herein is a dispense valve for a negative pressure dispense system wherein the assembly (12) seals a container (18) and has valves (26,52) for ingr ess of ambient air and valves (38,52) for egress of dispensed fluid respectively. The assembly (12) has a one-way valve (96,98) fitted in the air flow path to prevent fluid from leaking out of the container through the air valve (26,52) when the container is broached. <IMAGE></p> |
