| 摘要 |
<p>PROBLEM TO BE SOLVED: To manufacture a stretchable container of which the side wall surface becomes a continuous surface at the time of stretching and which has beautiful appearance and an excellent use feeling. SOLUTION: A method for manufacturing the stretchable container consists of a process for molding a container main body having a lower member 21 having a lower circumferential surface part, an intermediate member 30 having the intermediate circumferential surface part 31 integrally connected to the lower circumferential surface part in an inclined state and an upper member having the upper circumferential surface part 36 integrally connected to the intermediate circumferential surface part in an inclined state and a process for pressing the first hinge part 29 of the container main body molded in the molding process toward the interior of the container by an annular pressure member 70, which has a push blade 71 of which the leading end has a V-shaped cross section from the outer surface side thereof, to reverse the intermediate member.</p> |
