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US 2019/0186971 A1Published application
Dispensers and methods for using the same
AssigneeSilgan Dispensing Systems 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.
Claims18
A dispenser, comprising:
- a body having a bottom wall and a fluid passage extending through the bottom wall;
- a cup spring wall extending downwardly from the bottom wall of the body;
- and
- a base, comprising:
- a stem at least partially received in the fluid passage;
- a dispensing structure associated with the stem;
- and
- at least one cup spring rib extending radially from the stem.
5 more elements
A cup spring assembly comprising:
- a body having a wall with a passage therethrough;
- an annular spring wall extending downwardly from the bottom wall;
- and
- a base having a stem which is at least partially received in the passage, and at least one cup spring rib extending radially from the stem, the cup spring rib interacting with the annular spring wall to provide a spring force.
1 more element
Dependencies are inferred from the claim text.