Patent ID: 9452105
Filing Date: 2016-09-27
CPC Classification: A61J,B65D,G01F

Claim Text:
1. A dosing dispenser for dosing formulations of a drug or nutritional supplement in the form of a free-flowing bulk material having a particle diameter in the range of 100-1000 μm, composed of a housing including a storage chamber, the base of which displays an outlet opening, a guide sleeve having a circular cross section, into which the outlet opening opens, a dosing piston which is displaceably disposed in the guide sleeve and which has a dosing chamber which is displaceable between a filling position, in which the dosing chamber is connected to the outlet opening in the storage chamber, and an ejection position, in which the dosing chamber is connected to the free space, wherein the dosing piston displays two circular plates which are disposed in a spaced-apart and concentric manner on an axle, and, proceeding from its outer circumference, at least one of the two circular plates displays an annular widening having an axial expansion away from the at least one plate into the direction which is opposite in each case the other plate, wherein at least one of the two circular plates is located inside the guide sleeve, the outer diameter of the annular widening is larger than the inner diameter of the guide sleeve, the annular widening is composed of an elastic material, and the dosing chamber is formed by the inner wall of the guide sleeve and the two circular plates.