Device for dispensing liquid in the form of drops
AssigneeNemera La Verpillière
InventorsGaetan Painchaud, Guillaume Grevin, Xavier Julia, Thierry Decock, Thierry Rimlinger
Life of this patent
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Abstract
A device for dispensing liquid including a liquid reservoir which can be deformed so as to dispense liquid by pressing on the reservoir, a liquid-dispensing end piece fitted on the reservoir, a channel for the passage of liquid, a channel for the passage of air from the outside to the inside of the reservoir, the channel for the passage of air being closed off by a member made of an air-permeable polymeric material, this material being non-porous, the member being called the air-permeable member.
Claims19
A device for dispensing liquid, comprising:
- a liquid reservoir which can be deformed so as to dispense liquid by pressing on the reservoir;
- a liquid-dispensing end piece fitted on the reservoir;
- a channel for the passage of liquid;
- and
- a channel for the passage of air from the outside to the inside of the reservoir, the channel for the passage of air being closed off by an air-permeable member made of a polymeric material, this material being non-porous.
A device for dispensing liquid, comprising:
- a liquid reservoir which can be deformed so as to dispense liquid by pressing on the reservoir;
- a liquid-dispensing end piece fitted on the reservoir;
- a channel for the passage of liquid;
- and
- a channel for the passage of air from the outside to the inside of the reservoir, the channel for the passage of air being closed off by an air-permeable member made of a polymeric material, this material being non-porous;
- a plurality of liquid flow limitation channels for passing liquid spaced around a perimeter of the air-permeable member.
Dependencies are inferred from the claim text.