Patent ID: 9657155
Date: 2017-05-23
CPC Classifications: B65D,C08K,Y10T

Claim:
1. A thermoplastic container comprising: a substantially circular base; a frustoconically shaped wall extending from an edge of the base and defining a cavity therein; and a stacking shoulder which intersects and extends laterally from the wall; wherein the base comprises an annular support structure surrounding a planar continuous region, the annular support structure being positioned from 0.5 mm to 10 mm from the edge of the base, having a width of from 0.5 mm to 25 mm, and having a height from 0.5 mm to 5 mm, relative to the edge of the base; wherein the thermoplastic container consists of a thermoplastic monolayer material or a thermoplastic multilayer material, the thermoplastic monolayer material or the thermoplastic multilayer material being thermoformed to form the thermoplastic container, wherein the base is punctureable by a single needle and displays a puncture load of less than 3 kg, measured using a sharp needle comprising a pointed puncture point, or of less than 5 kg, measured using a dull needle comprising a curved puncture point.