RESIN-MADE CONTAINER, RESIN-MADE CONTAINER PRODUCTION METHOD, RESIN-MADE CONTAINER PRODUCTION APPARATUS, AND METAL MOLD

摘要

This resin-made container (10) is provided with: a neck portion (12) having a content inlet-outlet portion (11); a lateral surface portion connected to the neck portion (12); and a bottom portion (14) that is disposed on the side opposite to the neck portion (12) and that is connected to the lateral surface portion. The resin-made container (10) is produced by a stretch blow molding process. The bottom portion (14) has formed therein a bulge section (25) that protrudes downward in the vertical direction. The bulge section 25 is disposed in an eccentric region (S2), of the bottom portion (14), positioned outside a region (S1) demarcated by perpendicularly projecting an opening plane of the inlet-outlet portion (11) of the neck portion (12).