Patent ID: 6672485
Filing Date: 2004-01-06
Classification: B05B,F25D

Abstract:
A metering device for fluid products, capable of operating as a manually operated reciprocating volumetric pump, having a pump body (1), provided with suction tube and applied by a cap (2) to a container containing a fluid product to be dispensed, comprising:a elastically deformable pushbutton (3), applied superiorly to pump body (1) and defining therewith a metering chamber provided with an intake valve from the interior of the bottle and a delivery valve towards the exterior of the bottle; a dispenser (4), mounted on said cap (2) and provided with a spout (7) comprising a conduit (70) for emitting the content of the bottle communicating with the delivery valve; at least a compensation channel, which replaces the extracted fluid with air coming from the exterior, provided externally to said metering chamber and to said emission conduit (70), for communication between the exterior and the interior of the bottle; wherein said delivery valve comprises a tongue (38) defined by a U-shaped cut (36) in said pushbutton (3).