|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||99/295 ; 99/302R|
|우선권정보||EP-0111210 (1991-07-05); JP-0164867 (1991-07-05)|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 110 인용 특허 : 0|
Devices for extraction of a beverage material contained in a cartridge include an extraction head and a water distributing grill, a cartridge holder and a cartridge holder support which engages tightening ramps of a tightening ring of the extraction head to support the holder. Projecting elements extend from the grill in a direction away from a base of the extraction head. The cartridge holder has a frustoconical inner shape and has a seal incorporated in a rim extension.
A device for containing a cartridge which contains a material to be extracted for preparation of a beverage and or use with an extraction apparatus of the type including an extraction head wherein the extraction head has a base, an annular peripheral sidewall portion which extends from and laterally with respect to the base, and a member which forms an extraction head base grill for distributing water from a passage opening in the base and which extends to an annular grill rim positioned adjacent the peripheral sidewall portion of the extraction head, th...