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특허 상세정보

Coffee machine

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A47J-031/24   
미국특허분류(USC) 99/295 ; 99/323
출원번호 US-0042856 (1979-05-29)
우선권정보 IT-0022072 (1978-06-08); IT-0024322 (1978-06-08)
발명자 / 주소
인용정보 피인용 횟수 : 49  인용 특허 : 0
초록

A coffee machine has an assembly provided with a chamber for receiving a permanent filter selected, according to the taste preference of a user, from a set of such filters which each offer different flow resistance to water per unit time. A pod of ground compressed coffee is also removably receivable in the chamber; the characteristics of pod and filter are so selected that during each operation of the machine between 22-26% of the total aromatic substances present in the coffee in the pod, are extracted by hot water flowing through the pod. However, due...

대표
청구항

In a coffee brewing machine of the tupe using standardized water-permeable pods of 35-50 mm diameter and a thickness equal to 5-13 mm and containing a quantity of 5-10 grams of ground coffee having at least 45% of the coffee particles of diameter smaller than 0.4 mm and 20-55% of the coffee particles of diameter smaller than 0.1 mm which has been compressed under a pressure of at least 15 atmospheres, a combination comprising wall means defining a brewing chamber; a plurality of permanent filter elements of different permeability and each being individua...

이 특허를 인용한 특허 피인용횟수: 49

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  47. Rahn, Christopher W.; Pope, Randy D.. System, method and apparatus for heating water. USP2010037685932.
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