|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 19 인용 특허 : 5|
A brewing apparatus for infusing compacted ground coffee in a grounds cup at a brewing station with heated water under pressure. At a brewing station, a piston head with an active seal that is spaced from the grounds cup wall during motion, extends into the grounds cup. When the piston head begins to compact the ground coffee it activates the seal to form a sealed upper end of a brewing chamber. Hot water is admitted to the brewing chamber to produce the coffee. When the brewing cycle is completed, the piston head displaces further to force additional co...
The invention claimed is: 1. Apparatus for brewing beverages by supplying a liquid under pressure to an infusible material, said apparatus comprising: A) infusion chamber means for receiving the infusible material including a side wall, an open top and a perforated bottom, and B) piston means for compacting the infusible material and dispersing the liquid, said piston means including piston head means for forming a brewing chamber in said infusion chamber means and piston rod means for moving said piston head means past said open top, said piston head m...