|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||993/02P ; 992/89R ; 992/87|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 10 인용 특허 : 5|
A coffee machine is provided with a boiler for heating brewing water, a brewing cylinder defining a brewing chamber, a closure piston for closing the one open end of the brewing cylinder as well as a brewing piston for compressing the coffee powder in the brewing cylinder and/or for ejecting the elutriated coffee powder cake, whereby the brewing piston is longitudinally movable in the brewing cylinder. The closure piston is integrally formed or rigidly connected to the housing of the boiler and firmly mounted to the housing of the coffee machine. Moreove...
[ What is claimed is:] [1.] A coffee machine, comprising:a means for heating water having a housing;an essentially hollow brewing cylinder means having a central longitudinal axis and an open end;means for moving said brewing cylinder means along said central longitudinal axis;a closure piston means adapted to close said open end of said brewing cylinder means to thereby form a brewing chamber, said closure piston means being rigidly connected to the coffee machine;a brewing piston means located in the interior of said brewing cylinder means, said brewin...