| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent the appearance of a container from deteriorating due to the degree of irregularity of the inner face of a bottom wall by making the degree of irregularity of the inner face of the bottom wall on which a pinch-off line is formed not to attract attention on appearance in a transparent or semi-transparent direct blow molded article. <P>SOLUTION: In the transparent or semi-transparent blow molded article, by arranging at least three pinch-off lines 7 which are pinched-off traces remaining and formed with hardly projecting radially from the center of the outer face 6 on the outer face 6 of the bottom wall 5 of the bottom part 4, influence of heat from a parison cutting-off part 15 is dispersed and decreased to suppress generation of a depressed recessed part 9 formed on the inner face 8 of the bottom wall 5 caused by the influence of the heat from the parison cutting-off part 15. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
