Patent ID: 6763968
Filing Date: 2004-07-20
Classification: B65D

Abstract:
A heat sterilizable PET container for receiving a commodity, said heat sterilizable PET container comprising:an upper portion defining an aperture and sealable with a closure; a sidewall portion connected to and extending generally downward from said upper portion, said sidewall portion defining a sidewall diameter; and a base portion having a chime section connected to and extending generally downward and inward from said sidewall portion, and a push-up section having a substantially truncated conical shape and with a relatively sharp transition connected to and extending generally upward and inward from said chime section to close said heat sterilizable PET container, said push-up section having an outboardmost portion and a push-up diameter measured at said outboardmost portion, said sidewall diameter being between 40% and 60% greater than said push-up diameter, said base portion exhibiting a non-oriented spherulitic crystallization portion approximately equal in size to said push-up diameter and with a crystallinity of at least 25%, a support surface of said base portion being defined substantially entirely by said share transition between said push-up section and said chime section.