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) | 248/99 ; 53/390 ; 294/1R ; 141/390 |
출원번호 | US-0363016 (1982-03-29) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 9 인용 특허 : 1 |
The invention comprises an adjustable support to retain the mouths of commonly available plastic film garbage and leaf bags fully open. The bag mouth support folds and unfolds into a compact shape for packaging and for storage. Fully open the support is of substantially square or rectangular shape with one of the sides telescopingly adjustable to increase or decrease the perimeter length of the support.
A support for retaining the mouth of a plastic film bag open comprising, a tube having two ends and being partially folded at a plurality of spaced locations, and means joining said ends of said tube together between two of said spaced locations forming a closed parallelogram having one inflexible length including said joining means and three other flexible lengths, said support as partially folded being sized to retain a film bag mouth wrapped thereabout substantially open through said support, and said support being foldable by manually rotating oppose...