A - Human Necessities – 45 – D
Patent
A - Human Necessities
45
D
A45D 34/04 (2006.01) A61M 11/06 (2006.01) G01F 11/28 (2006.01)
Patent
CA 2537020
A metering apparatus for media having an applicator, which has at least one metering opening, having a pump device, which has pump parts which can move in the axial direction relative to one another in order to deliver medium out of a medium reservoir to the metering opening, having a metering chamber, having an outlet valve, having a manually operable actuating device, which is operatively connected to the pump device in order to achieve a pump stroke, and having a spring accumulator, which can be pre-stressed by movement of the actuating device and can be released by a triggering unit as a function of an actuating stroke of the actuating device in order to enable a metering stroke of the pump device to be carried out, is known. According to the invention, the pump device comprises a buffer chamber which, in the event of an actuating stroke, receives a metered volume from the metering chamber and out of which the metered volume is discharged to the metering opening during a metering stroke. Use for cosmetic or pharmaceutical purposes.
Ing. Erich Pfeiffer Gmbh
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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