DOSING DISPENSER
First Claim
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1. A dosing dispenser for the dosage of at least one material component received in a receiving compartment by means of a pumping unit connected therewith, comprising a piston, a cylinder, and a pumping chamber having inlet and outlet openings and being closable with a valve device, comprising:
- an at least two-part valve device comprised of a first valve element closing an access opening from the container and having an opening for the material passage, a second valve element disposed thereon with a passage opening, and a third valve element disposed thereon, which preferably sealingly encloses a projection of the second valve element.
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Abstract
In a dispenser for dosing of at least one component received in a receiving compartment, a valve device, forming an inlet valve and an outlet valve associated with an outlet opening, is formed of at least two valve elements.
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Citations
15 Claims
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1. A dosing dispenser for the dosage of at least one material component received in a receiving compartment by means of a pumping unit connected therewith, comprising a piston, a cylinder, and a pumping chamber having inlet and outlet openings and being closable with a valve device, comprising:
an at least two-part valve device comprised of a first valve element closing an access opening from the container and having an opening for the material passage, a second valve element disposed thereon with a passage opening, and a third valve element disposed thereon, which preferably sealingly encloses a projection of the second valve element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
Specification