| 摘要 |
<p>A device for dispensing flowable material in unit doses that requrires shaking before dispensing. There is a container (10), having an auxiliary compartment (14), above the container compartment (11) normally closed by a cap (13). A valve member (18) closes a passageway (16b) between the two compartments in an inverted position, but alternately opens and closes the passageway (16b) when the container is shaken parallel to its longitudinal axis.</p> |
