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) | B65B-067/04 |
미국특허분류(USC) | 248/101 ; 248/97 |
출원번호 | US-0442025 (1982-11-16) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 59 인용 특허 : 1 |
A bag holder for supporting and holding open a bag. The bag holder includes an annular outer frame having a central opening and a surrounding lip adapted to receive and retain the open end of a bag. A retaining ring fits inside the central opening of the frame and has an outwardly directed flange with a lower shoulder adapted to overlie the lip on the frame. Positioned on the retaining ring below the shoulder is a gasket. When the retaining ring is inserted into the frame, the gasket bears against a bag on the lip of the frame. The bag is retained by the...
In a bag holder for supporting an open-ended bag, the holder having an annular outer frame with a central opening sized to receive the open end of a bag passed upwardly therethrough and an upper lip surrounding the opening over which the end of the bag is folded, and an annular retaining ring sized to fit within the open end of the bag and the central opening of the frame and clamp the bag to the frame, the improvement comprising: an outwardly extending, downwardly facing shoulder on said retaining ring adapted to overlie said lip; and an annular resilie...