BEVERAGE PREPARATION CAPSULE Russian patent published in 2024 - IPC B65D85/804 

FIELD: beverage preparation devices.

SUBSTANCE: invention relates to a capsule for containing a substance for preparing a beverage by placing said capsule in a piston cavity, comprising a body having a rim and a sealing ring attached to the lower wall of said rim, having an upper surface resting on the lower wall and a free lower surface. Capsule has an internal support surface and an external support surface, each of which protrudes from the rim in the axial direction, forming a groove between them, which is intended for tight placement of the peripheral edge of the piston during beverage preparation. At least the outer support surface is formed on the inner wall of the ring and is formed as a whole on the free lower surface of the sealing ring. Invention also relates to a beverage preparation system.

EFFECT: group of inventions provides a capsule which is made to provide good sealing of the piston cavity in order to avoid leakage of the extracting liquid during its injection, and at the same time is easily processed with limited effect on the environment.

19 cl, 21 dwg