Patent ID: 9199760
Filing Date: 2015-12-01
Classification: B65D

Abstract:
1. A flat bottle comprising a cylindrical body portion and a bottom portion which closes a lower opening section of the body portion, and the flat bottle having a flattened shape in lateral cross-section which has a major axis and a minor axis perpendicular to each other at a point on a bottle axis, wherein a bottom wall portion of the bottom portion comprises: wherein the movable wall portion is arranged to be movable around a connected portion between the movable wall portion and the rising circumferential wall portion so as to move the recessed circumferential wall portion upward, a length of the bottom portion in a major axis direction parallel to major axis is 1.2 to 2.0 times a length of the bottom portion in a minor axis direction parallel to the minor axis, and a first length is 0.8 to 2.5 times a second length, the first length being a length obtained by subtracting a length between two ends of the recessed circumferential wall portion in the major axis direction from a length between two ends of the movable wall portion in the major axis direction, and the second length being a length obtained by subtracting a length between two ends of the recessed circumferential wall portion in the minor axis direction from a length between two ends of the movable wall portion in the minor axis direction.