|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||99/287 ; 99/323 ; 206/05 ; 366/343|
|발명자 / 주소|
|인용정보||피인용 횟수 : 34 인용 특허 : 1|
The invention provides an apparatus for enclosing a filter bag, filled with a portion of coffee powder and provided with at least one moving wall and a handle for producing a pump-like action driving a current of water transversely through the filter bag.
Apparatus for the production of a coffee beverage from dry coffee powder contained in a filter bag comprising a hollow cylindrical housing closed at one end and open at the other end for the receipt of the filter bag, handle means extending from the closed end of said cylinder, and a series of tongues extending generally radially inward along the open end for the retention of said filter bag, the walls of said cylindrical housing being corrugated along circumferential fold lines to form a bellows permitting the closed end to the pumped relative to the op...