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US 8,539,890 B2Granted
Fluid dispensing apparatus
AssigneeSpinnaker International Limited
InventorsNicholas Tripp, Philip Hammond, Martin Wastell
Life of this patent
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Abstract
A fluid dispensing apparatus (10) comprising a collapsible bellows (12) for storing the fluid to be dispensed, a housing (14) for receiving the collapsible bellows and means (30) for compressing the collapsible bellows on actuation of the fluid dispensing apparatus (10) so as to eject the fluid through an outlet (22) of the bellows (12), wherein the housing (14) is configured to guide the bellows (12) so as to impede lateral deformation of the bellows (12) during compression thereof.
Claims11
A fluid dispensing apparatus comprising:
- a collapsible bellows for storing fluid to be dispensed;
- a housing for receiving the collapsible bellows;
- means for compressing the collapsible bellows on actuation of the fluid dispensing apparatus so as to eject the fluid through an outlet of the bellows, wherein the housing is configured to guide the bellows so as to impede lateral deformation of the bellows during compression thereof;
- and
- an exhaust port located in the housing through which gas can escape only after actuation of the fluid dispensing apparatus.
2 more elements
Dependencies are inferred from the claim text.