| 摘要 |
<p>A manually operable trigger sprayer (10) is capable of dispensing a liquid with the trigger sprayer held in an upright orientation (Fig. 1), in a downturned orientation (Fig. 3) and in an inverted orientation (Fig. 2). In operation of the trigger sprayer in all three orientation positions, the liquid in the container (34) to which the trigger sprayer is attached is prevented from leaking through the vent passage (38) of the trigger sprayer.</p> |
