| 摘要 |
Abstract: Capsule (1) for the preparation of a coffee extract from coffee contained in the capsule and hot water injected under pressure in the capsule by a water injection device, said 5 capsule comprising: a frusto-conical body (2) comprising a rim (3), a sidewall (4) and an inlet wall (5); the inlet wall comprising a flat or convex portion (6), a lower delivery wall (7) sealed to the rim (3) of the body, a predosed amount of coffee in the capsule, 10 wherein the flat convex portion (6) has a structure (8; 80, 81, 82, 83; 84; 85, 86, 87, 88) in relief or in recess, wherein the structure in relief or in recess is arranged for facilitating penetration of blades belonging to the injection device and extends on a substantially circular path of predetermined radius RI equal to the radius R2 of the circular path along which the 15 blades (20, 21, 22) of the injection device extend. Figures 1 and 2 R 2 R, 6 t to ".. .* "*.. .' ' '.. ."' '. .. "" " ". .. * * '. . e" "". e .' ""., Q- -' e~ IG 1 e eeo eee eeo eee eae eee eee ae 5 e eea0e eeee eeeee eaeee e. e ~ ~ ~ ~ F G 2 ea.e.ee.eeeeee,,esee |
