검색연산자 | 기능 | 검색시 예 |
---|---|---|
() | 우선순위가 가장 높은 연산자 | 예1) (나노 (기계 | machine)) |
공백 | 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 | 예1) (나노 기계) 예2) 나노 장영실 |
| | 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 | 예1) (줄기세포 | 면역) 예2) 줄기세포 | 장영실 |
! | NOT 이후에 있는 검색어가 포함된 문서는 제외 | 예1) (황금 !백금) 예2) !image |
* | 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 | 예) semi* |
"" | 따옴표 내의 구문과 완전히 일치하는 문서만 검색 | 예) "Transform and Quantization" |
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | A47J-031/24 A47J-031/00 |
미국특허분류(USC) | 99/289R ; 99/289T ; 99/302R |
출원번호 | US-0090160 (1987-08-27) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 32 인용 특허 : 3 |
A beverage brewing machine which has upper and lower brewing chambers which are movable relative to each other so as to clamp a strip-shaped filter therebetween during the brewing process and the chambers can be separated so as to allow the filter strip to be removed from the brewing chamber and the beverage residual wiped therefrom after which the filter strip is returned to the brewing chambers which are then resealed for the next cycle. A hold down grid engages the top surface of the filter to hold down as a piston moves in the lower chamber upwardly ...
A beverage brewing machine comprising in combination, (a) an upper brewing chamber adapted to receive hot water and a beverage material and having an open lower end, (b) a lower chamber with an open upper end normally in registration and sealed with said open lower end, (c) a reusable filter mounted between said upper and lower chambers and said chambers normally clamping said filter therebetween, (d) a reciprocable piston mounted in said lower chamber for forcing air through said filter into said upper chamber and for withdrawing brewed beverage through...