|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||99/295 ; 99/323|
|우선권정보||IT-0022072 (1978-06-08); IT-0024322 (1978-06-08)|
|발명자 / 주소|
|인용정보||피인용 횟수 : 49 인용 특허 : 0|
A coffee machine has an assembly provided with a chamber for receiving a permanent filter selected, according to the taste preference of a user, from a set of such filters which each offer different flow resistance to water per unit time. A pod of ground compressed coffee is also removably receivable in the chamber; the characteristics of pod and filter are so selected that during each operation of the machine between 22-26% of the total aromatic substances present in the coffee in the pod, are extracted by hot water flowing through the pod. However, due...
In a coffee brewing machine of the tupe using standardized water-permeable pods of 35-50 mm diameter and a thickness equal to 5-13 mm and containing a quantity of 5-10 grams of ground coffee having at least 45% of the coffee particles of diameter smaller than 0.4 mm and 20-55% of the coffee particles of diameter smaller than 0.1 mm which has been compressed under a pressure of at least 15 atmospheres, a combination comprising wall means defining a brewing chamber; a plurality of permanent filter elements of different permeability and each being individua...