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특허 상세정보

Filtering device, filter element and method of manufacturing the filter element used for the preparation of brewed beverages

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A47J-031/08    B01D-023/28   
미국특허분류(USC) 993/21 ; 909/322 ; 909/323 ; 909/306 ; 210/493.5
출원번호 US-0382751 (1999-08-25)
우선권정보 EP0104260 (1997-03-13)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Fish & Richardson P.C.
인용정보 피인용 횟수 : 56  인용 특허 : 3
초록

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...

대표
청구항

[ 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...

이 특허를 인용한 특허 피인용횟수: 56

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