Metering device for fluid products
AssigneeEmsar S.P.A.
InventorFrancesco Mascitelli
Life of this patent
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Abstract
A metering device for fluid products, having a pump body (1) equipped with suction tube and applied by means of a cap (2) to a bottle or the like containing a fluid product to be dispensed, an elastically deformable pushbutton, applied superiorly to the pump body (1) and defining therewith a metering chamber provided with an intake valve and an exhaust valve, a dispenser (4) mounted on the cap (2) and provided with a spout (7) comprising a conduit (70) for the emission of the content of the bottle communicating with the intake valve, at least a compensation channel, which replaces the extracted fluid with air coming from the exterior, provided, in said dispenser (4), pusbutton (3) and pump body (1).
Claims8
A metering device for fluid products, of the type operating as a manually operated reciprocating volumetric pump, having a pump body (1), provided with suction tube and applied by means of a cap (2) to a bottle or the like containing a fluid product to be dispensed, characterised in that it operates like a reciprocating membrane volumetric pump comprising:
- an 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 an expulsion or 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), in said dispenser (4), pushbutton (3) and pump body (1) for communication between the exterior and the interior of the bottle.
Dependencies are inferred from the claim text.