Element for selectively dispensing two liquids, associated device and method
AssigneeL'oreal
InventorsCéline Farcet, Laurent Gilbert, Ronan Delisle
Life of this patent
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Abstract
The element comprises: a hollow body (19); a delivery nozzle (32) for delivering a first liquid carried by the hollow body (19); a dispensing nozzle (50) for dispensing a second liquid carried by the hollow body (19); The dispensing nozzle (50) is suitable for producing droplets having a diameter less than 1 mm, particularly comprised between 1 μm and 1000 μm and the delivery nozzle (32) is suitable for producing droplets having a diameter greater than 1 mm, and particularly comprised between 1 mm and 5 mm.
Claims16
A method for selectively dispensing two liquids for washing and/or treating a body surface of a user, comprising the following steps:
- obtaining an element for selectively dispensing two liquids, the element being a shower head, the element comprising:
- a hollow body;
- a delivery nozzle for delivering a first liquid carried by the hollow body;
- a dispensing nozzle for dispensing a second liquid carried by the hollow body;
- wherein the dispensing nozzle produces droplets having a diameter less than 1 mm with a flow rate of less than 2 liters per minute and a pressure less than 5 bars and more than 2 bars, the delivery nozzle produces droplets having a diameter greater than 1 mm with a flow rate of less than 3 liters per minute and a pressure less than 5 bar and more than 2 bar, and
- the second liquid is a mixture of water and cosmetic product for washing and/or treating a body surface of a user, and the first liquid is a rinsing water of said body surface,
- selectively dispensing the second liquid through the dispensing nozzle in the form of droplets having a diameter less than 1 mm with a flow rate of less than 2 liters per minute and a pressure less than 5 bars and more than 2 bars, in order to wash and/or treat a body surface of a user;
- and
- selectively dispensing the first liquid through the delivery nozzle in the form of droplets having a diameter greater than 1 mm with a flow rate of less than 3 liters per minute and a pressure less than 5 bar and more than 2 bar, in order to rinse said body surface.
Dependencies are inferred from the claim text.