| 摘要 |
A venting device for a trigger sprayer closure, comprising a venting ring (2) provided with apertures (14) for allowing the passage of fluid, a gasket (4) provided with an aperture (10) covered by a material (12) for allowing the passage of gas but which prevents liquid from passing therethrough, wherein the venting ring (2) is provided with a concentric channel (18) arranged to maintain fluid communication between the one or more apertures (14) of the venting ring (2) and the at least one aperture (10) of the gasket (4) if the relative positions of the respective apertures are changed. |
