Patent ID: 11925947
Assignee: GB DEVELOPPEMENT
Field: Chemical engineering (Chemistry)
Classification: CPC B  A | IPC A  B

Claim 26:
27. A device for dispensing a fluid, comprising:
a pocket comprising an interior pocket, said interior pocket having an interior volume arranged to contain the fluid,
a movable wall being arranged to, under the exertion of a pressing pressure on a pressing surface reduce the interior volume of the interior pocket by deforming and/or by moving,
an outlet arranged to dispense the fluid, wherein the interior volume of the interior pocket is delimited at least in part by:
a piston integral with a junction wall or a bottom wall,
a housing of the piston arranged to accommodate the piston and guide the piston during an axial movement of the piston in the housing,
the piston or the housing being formed at least in part by at least part of the movable wall, and/or:
the piston or the housing being in direct contact with a wall forming the pressing surface; or
the piston or the housing being formed at least in part by at least part of the pressing surface; and
the device comprises a dispensing valve located in a dispensing channel and arranged to conduct the fluid from the interior pocket to the outlet;
wherein the pocket further comprises an exterior pocket , the interior pocket being located at least partly in the exterior pocket, the interior and exterior pockets each having an interior volume arranged to contain the fluid, the interior volume of the exterior pocket being delimited at least in part by the movable wall, the movable wall being arranged to, under the exertion of the pressing pressure, reduce the interior volume of the exterior pocket by deforming and/or moving.