Venting device
AssigneeGlobal One-Pak Limited
InventorClive Broadbent
Life of this patent
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Abstract
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.
Claims15
A venting device for a trigger sprayer closure, comprising:
- a venting ring (2) provided with one or more apertures (14) for allowing the passage of fluid;
- a gasket (4) provided with at least one aperture (10) covered by a material (12) for allowing the passage of gas but preventing liquid from passing therethrough;
- characterised in that the venting ring (2) is provided with a 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 (14, 10) are changed.
A trigger sprayer comprising:
- a container for holding liquid;
- a sprayhead (38) including a plunger (44) for pumping the liquid from the container;
- a closure (36) for retaining the sprayhead on the container;
- a venting ring (2) inside the closure (36) provided with one or more apertures (14) for allowing the passage of fluid;
- a gasket (4) with a sufficient diameter for the outer edge thereof to be sandwiched between the closure and container;
- said gasket is provided with one or more apertures (10) covered by a material (12) for allowing the passage of gas but preventing liquid form passing therethrough;
- characterised in that the venting ring is provided with a channel (18) arranged to maintain fluid communication between the apertures (14) of the venting ring and the apertures (10) of the gasket if the relative positions of the respective apertures are changed.
Dependencies are inferred from the claim text.