Patent ID: 6729505
Filing Date: 2004-05-04
Classification: B05B

Abstract:
A dispensing pump for a container, the pump 1 comprising a housing 2, held fixed in relation to the container and defining a pump chamber 3 in communication with the inside of the container, a spout 7, arranged to move telescopically with respect to the housing 2 between a rest position and an activated position, a spring 9, arranged to return the spout 7 from its activated position to its rest position, an inlet valve 5, adapted to prevent air entering the container but to allow product to enter the pump chamber 3 from the container, and an outlet valve 8, adapted to prevent air entering the pump chamber but to allow product to be dispensed from the pump chamber through the spout, characterised in that the spring 9 is made from a plastics material and has a folded configuration, having a plurality of folds 94.