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US 2011/0031278 A1Published application
Pump device and methods for making the same
AssigneeSilgan Dispensing Systems R&D Netherlands B.V.
InventorEelco Han de Man
Life of this patent
Estimating the term…
Abstract
Bellow actuated pump devices for dispensing a product from a container may include a bellow and a base or a bellow, a base, and a valve having two or more valves wherein actuation of the bellow opens a discharge portion of the valve and dispenses a product and the de-actuation of the bellow opens an intake portion of the valve and refills the pump for the next actuation.
Claims20
A valve for a pump, comprising:
- a valve stem;
- an outlet valve at a first end of the valve stem;
- a valve disc on the valve stem;
- and
- at least one valve rim on the valve disc.
2 more elements
A pump, comprising:
- a base, comprising:
- a container attachment;
- and
- an interior chamber;
- a valve seated in the base, the valve comprising:
- an outlet valve;
- and
- a valve disc;
- a dispenser head fitted to the base;
- a discharge passage in the dispenser head;
- and
- a bellow in communication with the base, wherein the bellow and the interior chamber define a pump chamber.
9 more elements
A pump device, comprising:
- a base;
- a container connection fitted to the base;
- a valve fitted within an interior portion of the base between an opening in the base and the container connection;
- a bellow in communication with at least a portion of the interior portion of the base.
1 more element
Dependencies are inferred from the claim text.