PET intermediate article.

摘要

This invention provides a wide mouth container (10) and intermediate article (12) formed by stretch blow-molding an injection-molded preform (13) of polyethylene terephthalate suitable for packaging tennis balls or other contents under pressure. The container (10) includes an improved base construction (16) which will withstand internal pressure with controlled minimal distortion and an improved flange construction (17) surrounding the wide mouth which provides desired strength and thickness for receiving a metal end closure (14) by double seaming operations and which is formed by a unique accommodation portion (18) in the intermediate article (12) which has a stepped wall construction (a, b, c, d, e).