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US 2017/0370756 A1Published application
Dispensers and methods for using the same
AssigneeWestRock Dispensing Systems R&D Netherlands B.V.
InventorsAlberto A. Moreno Aparicio, Stefan Koster, Eelco Han De Man
Life of this patent
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Abstract
A dispenser includes a dispenser body and a base, wherein the base is attached to the dispenser body and a piston in the base is seated in a fluid passage of the dispenser body to define a dispensing chamber which may be filled by movement of the dispenser body relative to the base and emptied by the return of the dispenser body to the original position relative to the base.
Claims7
A dispenser, comprising:
- a dispenser body, comprising:
- a wall defining a space on an interior thereof;
- a fluid passage;
- and
- a cup spring;
- a base, comprising:
- a stem;
- a piston at an end of the stem;
- and
- at least one cup spring rib;
- a cap attached to the dispenser body, wherein the cap encloses the space forming a reservoir.
8 more elements
A dispenser, comprising:
- a dispenser body, comprising:
- a wall defining a space on an interior thereof;
- and
- a fluid passage;
- a base, comprising:
- a stem;
- and
- a piston at an end of the stem;
- a cap attached to the dispenser body, wherein the cap encloses the space forming a reservoir;
- and
- a spring between the base and the dispenser body.
8 more elements
Dependencies are inferred from the claim text.