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) | B01F-007/30 B28C-005/16 |
미국특허분류(USC) | 366/66 ; 366/288 ; 366/331 ; 403/340 |
출원번호 | US-0384037 (1995-02-06) |
우선권정보 | CH-0000355 (1994-02-08) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 6 인용 특허 : 0 |
An apparatus for mixing molding sand which comprises a mixing vessel having a mixing tool disposed within the mixing vessel, the mixing tool comprises an elongated shaft having a plurality of blades arranged along the elongated shaft wherein each of the plurality of blades comprises two opposed identical blade portions fitted to each other by a form fitting connection at a location adjacent the elongated shaft. The form fitting connection includes a groove and a lug on each of the opposed blade portions wherein the lug on one of the opposed blade portion...
An apparatus for mixing molding sand so as to prepare a fluid molding sand mixture comprises a mixing vessel and first mixing means disposed within said mixing vessel, said first mixing means comprises an elongated shaft about a longitudinal axis B and a plurality of blades arranged along said longitudinal shaft, each of said plurality of blades comprises two overlapping opposed blade portions having connecting means for fixing said opposed blade portions to said elongated shaft for rotation therewith and to each other, said connecting means includes a g...