| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a tubular container for filling frozen cake that can be easily opened at its sealed part even by a weak child, and a method for forming the tubular container in which non-required useless members produced at the manufacturing step for the tubular container are not mixed into the tubular container. <P>SOLUTION: This tubular container comprises a main body storing a filled frozen cake, an end having a released opening that can be sealingly closed after filling the frozen cake and a seal opening groove acting as an interface applied when the main body and the end are cut away from each other. The end is provided with a knob having an engagement hole for use in applying an external force to the seal opening groove while a finger is engaged with it when the seal is to be opened. In addition, a method for forming the tubular container comprises the steps of holding a parison with a die, applying vacuum with a vacuum means against burrs not required when the engagement hole is formed and expanding it, and blowing against the parison. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
