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) | E04C-002/20 |
미국특허분류(USC) | 52/3099 ; 52/407 |
출원번호 | US-0036299 (1979-05-07) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 62 인용 특허 : 0 |
A foamed plastic core door, structural panel or closure member comprises an inner core of light weight, cellular, foamed plastic material having opposite outwardly facing side surfaces, each formed with a base portion having a plurality of relatively small, integrally formed, outwardly projecting, compressible bosses arranged at spaced apart intervals thereon. At least one outer skin or decorative door face member is provided having an inside surface confronting said core surface in facing spaced apart relation with the base portion and in adhesive conta...
A closure member comprising: an inner core of light weight, resinous plastic, relatively rigid type, cellular foam material having an outwardly facing surface formed with a planar base portion having a plurality of small, outwardly projecting compressible bosses arranged in spaced apart intervals in a matrix pattern thereon; said projecting bosses being formed to be substantially frusto-conical in shape and including a substantially planar outer face of circular shape; an outer skin for said closure member having an inside surface confronting said core s...