|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||099/295; 099/302.R; 099/300|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 31 인용 특허 : 5|
The invention provides a coffee machine for brewing coffee powder pre-packed in a cartridge, whereby the bottom of the brewing chamber receiving the cartridge is provided with perforator members to perforate the cartridge bottom upon closing the brewing chamber. A brewing chamber housing contains an upper and a lower brewing chamber portion together delimiting the brewing chamber and axially movable relative to each other. The upper brewing chamber portion is biased by a spring to move away from the lower brewing chamber portion and provided with a prote...
1. Coffee machine for brewing coffee powder pre-packed in a cartridge means having a cartridge bottom, comprising: a brewing chamber means adapted to contain said cartridge means; a perforator means protruding into said brewing chamber means and adapted to create at least one opening in said cartridge bottom of said cartridge means; and a protection means movable relative to said perforator means between a rest position and an operating position, said protection means being adapted, once being in its rest position, to bar access to said perforator m...