Patent ID: 6672470
Filing Date: 2004-01-06
Classification: B29C,B29L,B65D

Abstract:
A base portion of a blow-molded polyester bottle, said base portion merging with a bottle sidewall and said bottle sidewall merging with an open end, said base portion comprising:a chime; a noncircular cross-sectional shape defined through said chime and defining a major axis and a minor axis, said noncircular cross-sectional shape including a convex front portion and a concave back portion connected by curved end portions, said front portion and said back portion are oriented generally in the direction of said major axis and transverse to said minor axis; a contact surface merging with said chime; a push-up region merging with said contact surface and located radially inward therefrom; and at least one upstanding rib located within said push-up region and oriented substantially parallel to said major axis.