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US 12,240,683 B2Granted
Dispenser for pasty products with suction valve
AssigneeGuala Dispensing S.P.A.
InventorRiccardo Alluigi
Life of this patent
Estimating the term…
Abstract
A dispenser for pasty products which has a head, a pump, an actuator, and a container tube is provided. The pump is provided with a plurality of flexible flaps protruding inwardly from a dome-shaped elastically deformable cap of the pump or from a connection portion of the pump to form a lower or suction valve.
Claims14
A manually operable head assembly for a dispenser for a pasty product, comprising:
- a head made in a single piece of a plastic material, configured to be applied to a container tube of the dispenser, the head being provided with a dispensing tube comprising an opening for dispensing the pasty product and an initial section;
- a pump, consisting of an internally hollow casing made in a single piece of a plastic material, comprising a pump neck slidingly inserted on the initial section of the dispensing tube, a dome-shaped cap joined to the pump neck, which is elastically deformable, and an annular connection portion joined to the dome-shaped cap;
- and
- an actuator made in a single piece of a plastic material, movably supported by the head and configured to be manually operated to at least partially deform the pump and obtain dispensing of the pasty product;
- wherein the pump further comprises a plurality of flexible flaps circumferentially spaced, internally protruding from the dome-shaped cap or from the annular connection portion, wherein each flexible flap of the plurality of flexible flaps is adapted to close a respective window of a plurality of windows of the container tube independently of the other flexible flaps for forming a lower or suction valve.
2 more elements
A dispenser for a pasty product, comprising:
- a container tube made in a single piece of a plastic material, having a tube compartment for containing the pasty product;
- a manually operable head assembly comprising:
- a head made in a single piece of a plastic material, configured to be applied to the container tube of the dispenser, the head being provided with a dispensing tube comprising an opening for dispensing the pasty product and an initial section;
- a pump, consisting of an internally hollow casing made in a single piece of a plastic material, comprising a pump neck slidingly inserted on the initial section of the dispensing tube, a dome-shaped cap joined to the pump neck, which is elastically deformable, and an annular connection portion joined to the dome-shaped cap;
- and
- an actuator made in a single piece of a plastic material, movably supported by the head and configured to be manually operated to at least partially deform the pump and obtain dispensing of the pasty product;
- wherein the pump further comprises a plurality of flexible flaps circumferentially spaced, internally protruding from the dome-shaped cap or from the annular connection portion, wherein each flexible flap of the plurality of flexible flaps is adapted to close a respective window of a plurality of windows of the container tube independently of the other flexible flaps for forming a lower or suction valve, applied to the container tube, and
- a separating wall placed between the tube compartment and the pump, provided with windows.
5 more elements
Dependencies are inferred from the claim text.