Metering device for fluid products
AssigneeEmsar S.P.A.
InventorFrancesco Mascitelli
Life of this patent
Estimating the term…
Abstract
A metering device for fluid products, having a pump body equipped with suction tube and applied by means of a cap to a bottle or the like containing a fluid product to be dispensed, an elastically deformable pushbutton, applied superiorly to the pump body and defining therewith a metering chamber provided with a n intake valve and an exhaust valve, a dispenser mounted on the cap and provided with a spout comprising a conduit 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, pushbutton and pump body.
Claims8
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).
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 spout (7) of the dispenser comprises, coaxially external to the emission conduit (70), a tubular element (71) extending the compensation channel;
- said tubular extension element (71) being provided with a closure tip (5) having a fusiform body (50) surrounding a longitudinal tubular core (51).
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 pump body (1) comprises, on one side of a flanged plate (10), a tubular union (12) for the suction tube with a cone frustum shaped portion (13), as a seat of a ball (6) for said intake valve, and coaxially, on the opposite side of said flanged plate (10), a cylindrical element (14) for receiving said pushbutton (3), provided with a squared external lateral portion (15), terminating superiorly with an omega shaped louver (16) comprised in said delivery valve;
- on said flanged plate (10) being provided at least a through hole (19) comprised in said compensation channel.
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 deform able 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 cap (2) provided with an interior thread (20) for its screwing onto the bottle, also presents a pair of external undercuts (21) for the attachment thereon of said dispenser (4), without preventing free rotation.
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 pushbutton (3) has a cupola shape, comprising a cylindrical wall (30) flanged at the base and a spherical dome (32) internally provided with an abutting stem (33) integral with the top of the dome (32) towards said intake valve;
- in said cylindrical wall (30) being obtained a “U” shaped cut (36) comprised in said delivery valve, and at least a slot (37), positioned according to a generatrix of said cylindrical wall (30) also comprised in said compensation channel.
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 dispenser (4) inferiorly presents a pair of internal undercuts (43) for the attachment on said cap (2) and laterally a through hole (44) communicating with said emission conduit (70) of the spout and, coaxial thereto, another conduit terminating with at least a “C” shaped notch (45) comprised in said compensation channel.
Dependencies are inferred from the claim text.