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US 10,604,394 B1Granted
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.
Claims19
An oral care appliance comprising:
- a cartridge comprising:
- a housing for storing an oral care composition;
- a connection interface configured to form a detachable connection with the oral care appliance;
- and 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 at least two valves and the connection interface and to the oral care appliance, when the connection interface is in an attached position;
- and
- a base unit for use in the oral care appliance, comprising:
- a base connection interface to be plugged to the cartridge;
- and a needle assembly operatively engaged to the cartridge to facilitate flow of the oral care composition from the cartridge into the oral care appliance.
8 more elements
Dependencies are inferred from the claim text.