| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a delamination bottle wherein a slit is formed at a parting line at the bottom of the bottle with a welded part at the inner layer raised from the surface of the flat bottom wall. SOLUTION: For a delamination bottle A formed of an outer layer 1 made of rigid synthetic resin serving as a material and an inner layer 2 that is separable from the outer layer, the bottom part 6 thereof is made up of a bottom end peripheral wall and a flat bottom wall whereat an opening is bored, and a slit is formed at a parting line at the flat bottom wall 11 with a welded part at the inner layer 2 raised from the surface of the flat bottom wall and the inner layer 2 and the outer layer 1 separated each other at both sides of the parting line.</p> |
