CAPSULE FOR THE PREPARATION OF A BEVERAGE

• Main Authors: GALAFFU, Nicola, HAUSMANN, Michael Karlheinz, ABEGGLEN, Daniel
• Format: Patent
• Language: English
• Published: 21.03.2024
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

A capsule for the preparation of a beverage in a beverage preparation device (10), comprising: a cup-shaped body (1), a cover (2) for closing the cup-shaped body (1), and an annular flange (3) for the cover (2) to seal thereon; wherein the cup-shaped body (1) comprises: a bottom wall (4), a tubular lateral wall (5) and the flange (3); wherein the bottom wall (4) comprises: at least a fluid injection portion (7), suitable for being pierced by a piercing member (12) of the beverage preparation device (10), and at least a surrounding portion (13A, 13B) surrounding said first fluid injection portion (7); wherein the cup-shaped body (1) comprises a cellulose pulp layer (14) made of cellulose pulp, and an oxygen barrier liner (15); wherein the stiffness of the cellulose pulp layer (14) of said fluid injection portion (7) is greater than the stiffness of the cellulose pulp layer (14) of said surrounding portion (13A, 13B); wherein said cellulose pulp layer (14) of the fluid injection portion (7) comprises ultrasonically stiffened cellulose pulp, and wherein the density of the ultrasonically stiffened cellulose pulp of the fluid injection portion (7) is increased with respect to the density of the cellulose pulp of said surrounding portion (13A, 13B).