B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
222/59
B65D 83/14 (2006.01)
Patent
CA 2001431
ABSTRACT: "DISPENSING APPARATUS FOR PRESSURISED DISPENSING CONTAINERS" Dispensing apparatus (1) for dispensing a liquid product (24) from a pressurised dispensing container (21) comprises a collapsible chamber metering valve (2) in which an elastomeric sleeve (4) overlays an external surface (53) of the valve body (6) to define a metering chamber (7) therebetween and is collapsible on actuation of the valve into substantially conformal contact with the external surface such that a volume of liquid is dispensed which is equal to the volume of liquid displaced from the metering chamber. The valve is nestably received within a cup (3) with seal means (15) operable between the mouth of the cup and an outer end of the valve such that a closed collecting chamber (11) is defined between the valve and the cup. Means (25) are provided to communicate in use between the collecting chamber and that part of the container in which a liquid product is contained when the container is held in a predetermined orientation for operation of the valve. The apparatus allows accurate doses of liquids to be dispensed using compressed gas propellant such as nitrogen.
Bespak Plc
Howlett David J.
Ridout & Maybee Llp
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