| 摘要 |
PROBLEM TO BE SOLVED: To provide a double container excellent in assembly working ability.SOLUTION: A double container 1 comprises: an inner container 2; an outer container 3; and a fitting cap 4 comprising a first engagement part 45 which is engaged to a first engaged part 20 formed on a mouth part 2c of the inner container by rotation, and a second engagement part 46 which is engaged to a second engaged part 10 formed on a mouth part 3c of the outer container by rotation, and fixing the inner container to the outer container following to a rotation operation from one side to the other side in a peripheral direction with a container shaft O as a center part. An opening end edge of the mouth part on the outer container comprises a recess part having an inclination wall 16 which becomes gradually deeper along the container shaft direction, as going toward the other side from one side of the peripheral direction, and an engagement surface disposed on the other side of the peripheral direction on the inclination wall and facing one side of the peripheral direction. The inner container has an engagement projection 22 stored in the recess part, and moving on the inclination wall following to rotation of the fitting cap toward the other side, for being engaged to the engagement surface.SELECTED DRAWING: Figure 1 |
