| 摘要 |
<p>PURPOSE:To provide a heat-resistant plastic container having good shape holdability against an internal pressure and good material yield wherein heat shrinking or deformation under heat due to the weight of contents may not occur even if it is filled with high temperature contents. CONSTITUTION:A heat-resistant plastic container comprises a bottom structure formed with a recess 1 inward the container at a bottom 2 of a drawn-molded plastic container wherein an outer periphery roundness 3 is provided outward from a circular bottom heel in contact with a floor of the recess 1, a ring-like stage 4 raised inward from the bottom is provided, while the container comprises a spherical wall 8 standing like a recess inward from the stage 4 and a spherical wall connected with the spherical wall 8 and protruding toward the bottom, wherein a plurality of recessed and protruding ribs 7 to 9 are formed on the respective spherical, walls.</p> |
