| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a resin container capable of preventing cracks (crazes) of a ground contact part when the container is dropped. <P>SOLUTION: The resin container includes a mouth part located at the upper end in the axial direction of the container, a cylindrical barrel part expanded from the mouth part, and a bottom part for closing the lower end of the barrel part in the axial direction of the container, and formed with a raised portion 7 raised inward of the container on the bottom part, and an annular ground contact part 8 in contact with a loading surface in an upright state on the outer circumferential side of the raised portion. The ground contact part has a half cross-section formed in a radiused shape toward the outside of the container. The radius dimension R3 of both an internal ground contact part 13 constituting the inner side at the ground contact part and an external ground contact part 12 constituting the outer side is set to be 7-13 mm. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
