|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B65D-001/02 B65D-001/42 B65D-023/00|
|미국특허분류(USC)||215/1C ; 220/606|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 176 인용 특허 : 10|
A polyester container particularly adapted for hot fill applications having an improved base configuration. The container base has an outer circular ring defining a support plane for the container with a central outwardly concave dome portion therein. The dome portion includes a number of reinforcing rings formed along concentric tangent lines. In accordance with several embodiments, the circular rings are uninterrupted, whereas in other embodiments, the rings are interrupted at regular angular intervals with relatively smooth zones or hemispherical pock...
A PET container formed by blow molding and adapted to be filled with liquid at an elevated temperature above room temperature, said container comprising an upper portion defining a sealable closure, a sidewall portion, and a base portion closing the bottom of the container and formed integral with said sidewall portion, said base portion having a generally flat outer support ring at the lower end of said sidewall portion that is substantially concentric with said sidewall portion, a dome formed integral with said outer ring and extending upwardly into sa...