CAPSULE, SYSTEM, AND METHOD FOR BEVERAGE PREPARATION, AND METHOD FOR MAKING SAID CAPSULES Russian patent published in 2016 - IPC B65D85/804 A47J31/36 

FIELD: food industry.

SUBSTANCE: capsule for preparation of preset quantity of beverage suitable for consumption using extractable product, such as fried and ground coffee, contains peripheral first wall, second wall covering peripheral first wall at first end, perforated and/or porous third wall covering peripheral first wall at second open end, opposite to second wall, designed for drainage of ready beverage from capsule. First, second, and third walls enclose inner space containing extracted product, and product in inner space of capsule is at least partially compacted. Third wall contains output filter installed for drainage of ready beverage from capsule. Output filter comprises 100-170 holes, diameter thereof is from 0.4 mm ±0.05 mm to 0.2 mm ±0.05 mm. Capsule contains input filter, having resistance against flow, which is less than flow resistance of compacted extractable product in combination with output filter.

EFFECT: group of inventions provides pressure distribution for high-quality coffee brewing.

30 cl, 6 dwg