| 摘要 |
<p>PURPOSE:To provide a blank board to form a container from which a liquid contained in the container does not leak to the outside. CONSTITUTION:The title blank board is made of a raw material of a laminated constitution, with a main body of paper, on which a thermoplastic resin layer is provided on both internal and external surfaces, and folding lines are provided at desired locations. Heat-bonding parts A, B, which are bonded by heating when the blank board is formed into a container, are provided. For this blank board, holes are provided at areas, with which a content does not come into contact at the time of container forming, on the heat bonding parts A, B.</p> |
