| 摘要 |
<p>PURPOSE:To enhance impact resistance of a saturated polyester resin-molded and biaxially oriented base leg fitted with a bottle. CONSTITUTION:In the title container, a base leg 3, which is blow molded out of a saturated polyester resin having intrinsic viscosity of 0.5 or more and whose grounding portion is at least biaxially oriented, is fitted with a container body 4 made of a saturated polyester resin, whose bottom portion is projected in a hemispherical form and which contains a pressurizing fluid.</p> |
