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US 11,649,150 B2Granted
Cartridge and a base unit for use in an oral care appliance
AssigneeWillo 32 SAS
InventorsPierre Jules Hercule Cazeneuve, Jean-Raphaël Ouin
Life of this patent
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Abstract
A cartridge and a base unit for use in an oral care appliance are disclosed. The cartridge includes a connection interface configured to form a detachable connection. The base unit is also configured to engage operatively with the cartridge to facilitate flow of an oral care composition from the cartridge into the oral care appliance.
Claims21
A cartridge for use in an oral care appliance, characterized in that the cartridge comprises:
- a housing for storing an oral care composition;
- a connection interface configured to form a detachable connection with the oral care appliance;
- a valve assembly:
- (i) positioned in the connection interface;
- (ii) comprising at least two valves;
- and (iii) configured to prevent escape of the oral care composition when the connection interface is in a detached position and to allow flow of the oral care composition through the connection interface to the oral care appliance when the connection interface is in an attached position and the two valves are open.
3 more elements
A base unit for use in an oral care appliance, comprising:
- a connection interface to be plugged to a cartridge containing an oral care composition;
- and
- a needle assembly configured to be operatively engaged to the cartridge and pierce through at least one valve of the cartridge to facilitate flow of the oral care composition from the cartridge into the oral care appliance.
Dependencies are inferred from the claim text.