|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||A47J-031/24 A47J-031/34 A47J-031/40 A47J-031/44 A47J-031/46 A47J-031/36 A47J-031/00|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 10|
A method for extracting an espresso coffee beverage by an espresso coffee machine is provided. The method includes providing an extraction chamber and a normally-closed septum arranged downstream of a coffee dose and made of elastic material and provided directly with a small orifice in the septum, injecting a preset dose of hot water into the chamber at a pressure ranging from 2 to 4 bars and for a first preset time interval keeping the septum closed, interrupting the injection of hot water for a second preset time interval, injecting hot water into the...
1. A method for extracting an espresso coffee beverage by means of an espresso coffee machine, comprising: a) a step for providing an extraction chamber, which comprises a dose of roasted and ground coffee and a normally-closed septum which is arranged downstream of said coffee dose and which is made of elastic material and which is provided directly with a small orifice extending through a septum body from a first side facing the coffee dose to a second side opposite the first side;b) a preinfusion step, in which a preset dose of hot water is injected i...