|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||426/112 ; 426/077 ; 99/295|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 159 인용 특허 : 5|
A sealed cartridge, which need have no marks for weakening and inside which, no filter is needed, contains a substance, such as roasted and ground coffee, for being extracted under pressure. The cartridge has a cup having a base and a lateral wall extending from the base to a lip which extends laterally away from the wall about a cup opening, and the cartridge has a cover sealed to the lip to cover the opening. Either the cover or the base provides a tear face which is torn under stress during extraction of the substance under pressure for preparation of...
[ I claim:] [1.] A sealed cartridge for preparation of a beverage by extraction of the substance under pressure comprising a cup and a cup cover sealed to the cup and roast and ground coffee substance contained by the cover within the cup, there being no marks in the cover for weakening the cover and there being no filter member contained within the cup and cover, and wherein:the cup comprises (a) a base, (b) a sidewall which extends from the base to an edge about a cup opening which opposes the base and (c) a lip which extends laterally away from the si...