FIELD: food industry.
SUBSTANCE: espresso machine units can be used with cartridge and contain coffee powder portion. Issued unit contains pressurised warm water supply device, boiling chamber and output device for boiled coffee output. Output device contains perforating device for producing at least one hole in cartridge wall facing mentioned device with coffee powder portion. Mentioned hole sides form a condensation around mentioned perforating device till there is a set pressure inside the cartridge.
EFFECT: significant pressure boost inside the cartridge for boiling improvement.
3 cl, 11 dwg
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