| 摘要 |
A synthetic resin thin-walled bottle container (10, 20, 30), comprising a mouth part (11) for filling or discharging contents, a body part (12, 22, 32) extending from the mouth part (11) along the center axis (A) of the container, and a heel part (H10, H20, H30) provided at the bottom part (13, 23, 33) of the body part (12, 22, 32) and placing, thereon, the body part (12, 22, 32) so as to be self-supported, the heel part (H10, H20, H30, H40) further comprising a side wall (14, 24, 34) formed of a curved surface (R11, R21, R31) recessed toward the inside of the container (10), whereby, even if the amount of resin is reduced, the container (10, 20, 30) can be stably self-supported without causing inclination and buckling at the heel part (H10, H20, H30) under a load applied in the center axis (A) direction thereof.
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