Patent ID: 11912459
Assignee: CO2PAC LIMITED
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A blow-molded container adapted for filling with a heated liquid, the container including a central longitudinal axis and comprising:
a sidewall having a plurality of vertically displaced annular ribs; and a base, the base comprising:
a support surface defining a horizontal reference plane;
an inner support wall extending upwardly from the support surface;
a first radiused portion extending radially inward toward the central longitudinal axis from the inner support wall and concave relative to the reference plane;
a second radiused portion extending radially inward toward the longitudinal axis from the first radiused portion and convex relative to the reference plane;
an intermediate surface extending radially inward toward the longitudinal axis from the second radiused portion, wherein the intermediate surface comprises an intermediate radiused portion concave relative to the reference plane;
a third radiused portion extending radially inward toward the longitudinal axis from the intermediate surface and convex relative to the reference plane;
a transition portion extending radially inward toward the longitudinal axis from the third radiused portion and being concave relative to the reference plane; and
a central portion disposed proximate the transition portion.