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) | B65D-051/18 |
미국특허분류(USC) | 220/254 ; 220/336 ; 220/715 |
출원번호 | US-0680904 (1991-04-05) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 53 인용 특허 : 0 |
A closure cover for a liquid container includes a body portion that is releasably connected to the container and mounts a stopper member for rotational movement between positions that alternately expose or close dispensing and vent openings in the body portion. The stopper member is provided with limited flexibility to permit release of a sealed closure of the dispensing opening. Also, a centering device is provided on the stopper member to accurately position the visually obscured sealing flange with respect to the dispensing opening before pressure is ...
A closure cover for a container having an annular opening defining a mouth, the closure cover comprising: a body portion of an extent sufficient for covering said container mouth and having means thereon for attaching said body portion to said container mouth; a pair of substantially radially aligned openings including a dispensing opening and a vent opening in said body portion, said vent opening including a centering boss therearound projecting upwardly from said body portion; a stopper member formed of a substantially flat, elongated body mounted on s...