CAPSULE, BEVERAGE PREPARATION SYSTEM AND METHOD Russian patent published in 2019 - IPC A47J31/36 B65D85/804 

FIELD: satisfaction of vital human requirements.

SUBSTANCE: capsule for preparing a predetermined amount of the beverage suitable for consumption by using the extractable product comprises a peripheral first wall, a second wall covering the peripheral first wall at the first end, and a flexible sheet-shaped perforated and / or porous third wall covering the peripheral first wall at the second open end opposite to the second wall. First, second and third walls confine inner space containing an extractable product. Third wall forms the outermost boundary of the capsule in its axial direction and contains woven or non-woven filtering material, such as a filter paper.

EFFECT: group of inventions prevents the capsule sticking to the support surface during beverage preparation.

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