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) | B67B-007/00 |
미국특허분류(USC) | 222/01 ; 222/092 ; 222/094 ; 264/512 |
출원번호 | US-0233613 (1999-01-19) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 32 인용 특허 : 29 |
A dual chamber closure and dual closure chamber package including dual chambers which have outlets and a common wall between the outlets. The closure comprises a first portion that is snapped into position on the outlets and a second portion hinged to the first portion and providing a cover closing the outlets. Each outlet has a top surface with an annular groove. The second portion of the closure includes complementary annular beads which engage the grooves and provide a seal. The second portion of the closure preferably includes an inner skirt that sur...
[ We claim:] [1.] The method of making a dual chamber package comprisingforming a plastic container means comprising dual chambers for containing products to be dispensed by pressure,forming each chamber having an outlet,forming said outlets being in side-by-side relation,forming said outlet with an annular wall,forming a common wall mean between said outlets defined by portions of said outlet,forming said wall with a raised rounded lateral sealing surface,forming a plastic closure with a first portion and a second portion hinged to the first portion, fo...