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" |
국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | A47G-019/12 |
미국특허분류(USC) | 222/1445 ; 222/473 ; 222/485 ; 222/545 |
출원번호 | US-0825207 (1986-02-03) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 16 인용 특허 : 1 |
A portable liquid dispenser for dispensing one of two liquids from a single vessel has a base with first and second separate horizontally disposed compartments separated by a liquid-impermeable barrier, a neck secured to the base and mounting handle, a valve assembly including first and second valve elements rotatably mounted in the neck for swinging between open and blocking relationship with the compartments and a valve seat in snap-fit relationship with the valve assembly. The valve elements swing downwardly for alternate abutment with the impermeable...
A hand-held, portable liquid dispenser for selectively dispensing one of two different liquids from a single container, said dispenser comprising: a base forming first and second separate horizontally disposed compartments separated by a liquid-impermeable barrier; a neck secured to said base, mounting a handle at one side and forming a spout on an opposite side thereof, said neck having a central opening through which liquid may be introduced into the base and dispensed from the base; valve means mounted in said neck and having a sleeve forming valve se...