| 摘要 |
<p>A base structure (8) for a blow-molded container (10) having an annular sidewall (6) and a central longitudinal axis (100), the base structure comprising: a bottom portion (2); an annular support heel (12) positioned between the sidewall and the bottom portion, wherein the annular support heel is angled inwardly at an angle 8 of from about 15° to about 65° relative a plane extending from the sidewall; and a plurality of partial sphere structures (20) on the annular support heel and extending beyond the bottom portion thus forming a contact surface supporting the container, and wherein the blow-molded container comprises a material selected from the group consisting of a polyester resin and polypropylene.</p> |
