Patent ID: 8662356

Claim:
A dispenser comprising: a base unit with an actuation mechanism for dispensing a liquid; and a refill unit containing the liquid to be dispensed, the refill unit comprising a bottle to which a cap is fixed, a liquid outlet through the cap provided by an annular wall projecting into the refill unit and surrounding a central opening, the liquid outlet being closable by an outlet valve element biased into a closed position onto the annular wall by at least one resilient member, wherein the outlet valve element is manufactured integrally with the at least one resilient member, and the at least one resilient member is integrally formed with a valve plate which is secured to the cap of the refill unit; where upon the refill unit being inverted and inserted into the base unit to supply the liquid to be dispensed to the base unit, the liquid outlet is at a lowermost end of the refill unit; the base unit comprising a hollow spigot whereby insertion of the refill unit into the base unit causes the spigot to enter the liquid outlet and to lift the outlet valve element from the annular wall to define a flow path from the refill unit to the base unit, through at least one castellation formed in the spigot.