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) | A47B-031/02 |
미국특허분류(USC) | 222/608 ; 222/113 ; 222/1291 ; 222/1461 |
출원번호 | US-0039462 (1993-06-23) |
우선권정보 | NL-0002312 (1990-10-23) |
국제출원번호 | PCT/NL91/00210 (1991-10-23) |
§371/§102 date | 19930623 (19930623) |
국제공개번호 | WO-9206617 (1992-04-30) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
A trolley is described, which is designed for conveying products, in particular foods and drinks for sale, and which has plural containers which can be placed one above the other in a frame. The frame is provided with wheels and has a fixed water supply container with insulation and heating means and a battery-supplied pump for conveying the water heated in the supply container to one or more tap points. The plural containers are selected from: (i) an insulated, heat-conserving container with heating means; (ii) an insulated cooling container which may o...
Trolley designed for use as a conveying trolley for conveying products, in particular foods and drinks for sale, comprising a frame provided with wheels and carrying at least one container, characterized in that said frame has means for carrying plural containers one above the other in the frame, the frame in the bottom thereof having a fixed water supply container with insulation and heating means, and a pump with battery supply for conveying the water heated in said fixed water supply container to at least one tap point, supply means connected to at le...