| 摘要 |
A double container (1) comprises: an outer layer body (2) provided with a cylindrical pouring mouth (2a) and a body section (2b) which is continuous with the pouring mouth (2a), the pouring mouth (2a) having formed in the side surface thereof an air inlet hole (4) which penetrates through the pouring mouth (2a) in the inside-outside direction; and an inner layer body (3) received in the outer layer body (2) and provided with an opening (3a) and a content receiving section (3b), the opening (3a) being continuous with the opening end of the pouring mouth (2a), the content receiving section (3b) being continuous with the opening (3a). The double container (1) is characterized in that an outer layer-side protrusion-like section (5, 11, 17, 33, 34) is provided on the body section (2b) of the outer layer body (2), an inner layer-side protrusion-like section (6, 12, 19, 33', 34') which has a shape corresponding to the inner surface of the outer layer-side protrusion-like section (5, 11, 17, 33, 34) is formed on the inner layer body (3), and a gap is provided between the outer layer-side protrusion-like section (5, 11, 17, 33, 34) and the inner layer-side protrusion-like section (6, 12, 19, 33', 34'). |
