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    • 7. 发明专利
    • MOVABLE AUXILIARY BOTTOM PLATE
    • JP2002362570A
    • 2002-12-18
    • JP2001212821
    • 2001-06-08
    • IWAMA TETSUO
    • IWAMA TETSUO
    • B65D23/00
    • PROBLEM TO BE SOLVED: To provide a movable auxiliary bottom plate which always can move while being closely joined to the total peripheral surface of the internal wall of a cylindrical section even when the inner diameter of the cylindrical section is irregular, or the cylindrical section has an uneven internal wall having unevenness when the movable auxiliary bottom plate vertically moves along the internal wall surface of a cylindrical container such as a bottle. SOLUTION: This movable auxiliary bottom plate has a structure wherein a plurality of bent flexible arms 2 are radially attached with equal intervals to the periphery of a base plate 1. The flexible arm becomes gradually thinner from the base end section of the base plate to the distal end section. Then, for the movable auxiliary bottom plate, an auxiliary plate 3 is provided on the upper surface and the bottom surface in a manner to pinch the base plate and the flexible arms. When such a movable auxiliary bottom plate is horizontally set in the cylindrical section of a glass bottle or the like, and vertically moved, the flexible arms always closely join to the total peripheral surface of the internal wall while slicing and deforming with each other, and make the moving of a content or the like possible.