|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B32B-001/08 B65D-001/02 B65D-001/46 B65B-007/28|
|미국특허분류(USC)||428/035.7; 215/040; 215/042; 215/043; 215/044|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 13 인용 특허 : 9|
A preform assembly for blow molding a container includes a molded plastic preform having a body and a neck with an external surface. At least one circumferential channel is molded into the external surface of the preform neck for removing the preform from the forming mold. A plastic finish ring separate from the preform is externally secured to the preform neck over the external surface of the neck.
1. A preform assembly for blow molding a container, which includes:a molded plastic preform having a body and a neck with an external surface, and having an open mouth at one end of said neck,first and second external circumferential channels molded into said neck external surface for removing said preform from a forming mold, wherein said first circumferential channel is adjacent to said mouth and said second circumferential channel is adjacent to said body, such that the space on said neck between said first and second circumferential channels has no a...