|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||993/21 ; 909/322 ; 909/323 ; 909/306 ; 210/493.5|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 56 인용 특허 : 3|
The invention is directed to a filtering device, a filter element therefor and a method of manufacturing the filter element (28) from filter paper. The filter element (28) has a receiving cavity (76) to be filled with extractable materials such as coffee grounds or tea leaves. Following contact with hot water, the extractable materials deliver extractive substances to the water, resulting in a brewed beverage that is drained from the filter element (28). During this process, the filter element (28) is held by the filter support (1) by way of a supporting...
[ What is claimed is:] [1.] A filtering device for making brewed beverages, comprising:a filter support defining a filter receiving cavity having an upper opening and including a supporting surface formed thereon and circumscribing the filter receiving cavity near the upper opening thereof; anda filter element fabricated from filter paper, the filter element having a materials receiving cavity to be filled with extractable materials which, following contact with hot water, deliver extractive substances to the water, resulting in a brewed beverage that is...