|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||A47J-031/06 A47G-019/14 B65B-029/02 B65D-081/34 A23F-005/26|
|미국특허분류(USC)||099/295; 099/323; 426/077; 426/394; 426/433|
|§371/§102 date||20090203 (20090203)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 9 인용 특허 : 19|
A capsule (1) sealed without an internal filter. The capsule includes a cup-shaped body (2) with an outwardly projecting flange (2a), and a flexible lid (3) welded to the flange (2a) to define with the latter a sealed chamber (4) which is impermeable to oxygen and moisture and contains a quantity of granular material (5). The granular material (5) is first compressed inside the chamber (4) in a direction perpendicular to the plane containing the flange (2a), with a compressive load preferably of between 2 and 50 Kg per cm2 of the average cross-sectional ...
1. A sealed capsule, for the preparation of a beverage, by means of pressurised extraction, comprising: a cup-shaped body having a flange at the top projecting radially outwards; anda flexible lid, welded to the flange of the cup-shaped body so as to define with the latter a sealed chamber which is impermeable to oxygen and moisture and contains a quantity of material in the form of granules for preparation of the beverage,wherein the granular material is preliminarily compressed inside said chamber in a direction perpendicular to a plane containing the ...