FIELD: transport, distribution.
SUBSTANCE: device contains socket for cartridge made capable to accept cartridge with ingredient for extraction; beverage outlet hole connected with cartridge socket for beverage distribution during extraction; as well as liquid injection unit containing pump for liquid charging and delivery from source through cartridge socket to beverage outlet hole. Liquid injection unit additionally contains valve located between the pump and beverage outlet hole cartridge socket. The liquid injection unit is made capable to release pressure of liquid contained in it using valve and to hold the liquid between pump and cartridge socket after the pump has been stopped thus preventing liquid leakage through beverage outlet hole.
EFFECT: perfected design.
41 cl, 6 dwg
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