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US 8,444,416 B2Granted
Valves for personal care devices
AssigneeBraun GmbH
InventorsAlexander T. Chenvainu, Thomas A. Christman, Manfred Klawuhn
Life of this patent
Estimating the term…
Abstract
Dual valves are described herein. The dual valves have a plurality of lumens disposed within a unitary body. The dual valves can be used, for example, in personal care products such as toothbrushes and razors to dispense fluids such as dentifrice and shaving aids.
Claims20
An oral care device, the device comprising:
- a body, constructed to be held by a user, including two or more passageways through which fluids can flow, and
- a head, extending from the body and being sized to fit in a user's mouth and comprising a plurality of tooth-cleaning elements;
- and
- a valve body positioned on the head, wherein the valve body comprises an upper portion and a base, wherein the upper portion defines a plurality of lumens, each lumen terminating in a valve having an exit;
- and
- a mixing member disposed above the valves and wherein the mixing member and the valves move relative to each other to create a shear force in the fluid that exits the valves.
3 more elements
Dependencies are inferred from the claim text.