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    • 8. 发明授权
    • Airtight compact case
    • 气密小巧的情况
    • US5353818A
    • 1994-10-11
    • US172729
    • 1993-12-27
    • Kazuo SuzukiMasahiro SumiseKazuo Suzuki
    • Kazuo SuzukiMasahiro SumiseKazuo Suzuki
    • A45C13/00A45D40/22A45D33/24
    • A45C13/008A45D40/22A45D2200/051
    • A cover is pivotably attached to a case body. Male thread portions of a multiple thread and unthreaded portions are alternately formed on a peripheral wall of a cosmetic container section of the case body. A ring is rotatably attached to the cover and externally fitted to the peripheral wall. The ring has female thread portions of a multiple thread intermittently formed. The female and male thread portions are engageable and disengageable. An inner cover made of an elastic material is attached to the lower portion of the cover so that the inner cover is brought into press contact with an open edge of the peripheral wall. A space is formed between the cover and the inner cover so that the inner cover is elastically deformed and expanded. When the female and the male thread portions are engaged with each other and the ring is rotated to a closed position, the cover approaches the case body so that the inner cover is brought into press contact with the open edge of the peripheral wall. When the temperature within the cosmetic container section is increased, the inner cover is elastically expanded upwards to increase the volume within the cosmetic container section. Thus, an increase in pressure within the cosmetic container section is suppressed.
    • 盖可枢转地附接到壳体。 多个螺纹和无螺纹部分的阳螺纹部分交替地形成在壳体的化妆品容器部分的周壁上。 环可旋转地附接到盖并且外部装配到周壁。 该环具有间断地形成的多根螺纹的阴螺纹部分。 阴螺纹和阴螺纹部分可接合和脱离。 由弹性材料制成的内盖附接到盖的下部,使得内盖与周壁的开口边缘压接。 在盖和内盖之间形成空间,使得内盖弹性变形和膨胀。 当阴和阳螺纹部分彼此接合并且环旋转到关闭位置时,盖接近壳体,使得内盖与周壁的开口边缘压接。 当化妆品容器部分内的温度升高时,内盖弹性膨胀向上,以增加化妆品容器部分内的体积。 因此,抑制了化妆品容器部内的压力的增加。