DEVICE AND CAPSULE FOR BEVERAGE PREPARATION Russian patent published in 2016 - IPC A47J31/06 

FIELD: food industry.

SUBSTANCE: invention relates to capsule, associated with perforating device of machine used for preparation of beverages by injecting water into capsule, wherein capsule contains: side wall and base forming self-supporting shell, top wall, enclosing tight chamber inside shell, which contains substance to be extracted, and filtering membrane in tight volume, located on base. Base comprises peripheral and central parts, wherein central part runs under peripheral part with depth and comprises lower part of wall, designed to perforating or cutting by piercing device to create one or several outlet holes for beverage flowing through filtering membrane. Peripheral part comprises flow channels extending radially from lower part of wall to side wall, wherein above channels are arranged between support projections, which support filtering membrane against water pressure injected into capsule, and pushing substance contained in capsule. Bottom wall of capsule has corrugated structure and is able to interact with base of perforated section having adjacent shape.

EFFECT: thus, strength of capsule during its operation is enabled.

15 cl, 12 dwg