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" |
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | E04B-007/00 E04B-005/00 |
미국특허분류(USC) | 52/408 ; 52/410 ; 52/746 ; 52/512 |
출원번호 | US-0873958 (1986-06-13) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 20 인용 특허 : 7 |
A non-penetrating roof structure or system and method comprising a roof deck, a plurality of retainers connected to the roof deck between the margins thereof, and a cover membrane extending over the roof deck and the retainers. The cover membrane is generally flexible. A kit for connecting the cover member to the roof deck comprising the battans and retainers is also provided. The cover membrane is affixed to the deck at the margins and connected to the roof deck between the margins by the retainers. The cover member is imperforate over the retainers and...
A roof structure comprising roof base, a plurality of flexible retention sheets, said retention sheets having inner and outer portions, a plurality of battans, said battans being positioned on said inner portions of said retention sheets and being secured to said base, said inner portions being between said battans and said base, said outer portions being on opposite sides of said battans and being moveable toward and away from said base, and a flexible imperforate cover membrane overlaying said battans and retention sheets, said membrane being bonded to...