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) | B05B-011/04 |
미국특허분류(USC) | 239/327 ; 128/232 ; 222/105 ; 222/215 |
출원번호 | US-0756237 (1977-01-03) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 32 인용 특허 : 1 |
An expandable syringe comprising a bag having an opening through which liquid may pass. A closed end tubular valve stem projects outwardly from the bag opening and has an orifice in the side thereof in fluid communication with the interior of the bag. A nozzle has a female coupler sized to be movably mounted about the valve stem. The nozzle coupler has a valve seat against which the valve stem closed end may operationally engage in controlling the flow of liquid between the bag and nozzle. The bag may comprise a corrugated container or a shell having fir...
An expandable syringe, comprising: a shell having a rounded exterior shape, a flat bottom for positioning on a supporting surface, a first opening in the side of said shell, and a second opening in the top of said shell opposite said flat bottom; a flexible pocket mounted to said shell sealing said first opening and for movement into and out of said shell through said first opening, said pocket being sized to form a generally spherical composite shape with said shell when said pocket is distended out of said first opening; and said first opening in the s...