Dispensing – Agitator followed by discharge assistant and/or... – All rotary
Reexamination Certificate
2011-04-12
2011-04-12
Ngo, Lien T (Department: 3754)
Dispensing
Agitator followed by discharge assistant and/or...
All rotary
C222S344000
Reexamination Certificate
active
07922043
ABSTRACT:
A dosage-dispensing device for substances in powder- or paste form is equipped with a supply container and a dosage-dispensing head which is connected or connectable to the supply container and which has a housing with an outlet orifice of circular cross-section. The dosage-dispensing head further has a delivery- and closure element, wherein the outlet orifice and the delivery- and closure element are arranged on the central lengthwise axis of the dosage-dispensing head, and the delivery- and closure element is designed to be rotatable about the central lengthwise axis in relation to the housing and to be capable of translatory displacement along the central lengthwise axis relative to the outlet orifice. The delivery- and closure element in its basic configuration is of a cylindrical shape and has at least two closure portions that are arranged at a distance from each other along the central lengthwise axis and serve to close off the outlet orifice and further has, between the closure portions, a delivery portion that serves to deliver the substance to be dispensed, wherein said delivery portion comprises at least one recess that is indented from the cylinder wall.
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Buchanan & Ingersoll & Rooney PC
Mettler-Toledo AG
Ngo Lien T
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