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) | B21D-051/26 |
미국특허분류(USC) | 72/68 ; ; 72/105 ; ; 72/3794 |
출원번호 | US-0461154 (1995-06-05) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 31 인용 특허 : 0 |
A method of forming a drawn and redrawn and ironed container having a contoured sidewall. A cup is blanked and formed from stock in conventional fashion. A profiled bottom may be formed in the cup during the redraw step. The cup is ironed using at least one ironing ring and an ironing punch having at least one recessed area for shaping the interior sidewall of the cup. When the cup is ironed, areas of extra material are formed on the interior of the sidewall where the recessed areas of the ironing punch were present. These areas of extra material are sha...
A method of forming a container having a contoured sidewall from a cup blank, the cup blank having a base and a sidewall having a first end adjacent the base and a second end adjacent the open end of the cup, the method comprising the steps of: (a) engaging an ironing punch with the interior of the cup; (b) passing the ironing punch and the cup through at least one ironing ring such that areas of extra material are formed in the sidewall of the ironed cup between the first end and the second end of the sidewall; and (c) spin forming the ironed cup to sha...