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    • 8. 发明公开
    • POLYGONAL CONTAINER AND METHOD FOR FORMING SAME
    • POLYGONALERBEHÄLTERUND HERSTELLUNGSVERFAHRENDAFÜR
    • EP3112043A1
    • 2017-01-04
    • EP15755971.7
    • 2015-02-26
    • Toyo Seikan Group Holdings, Ltd.
    • KOBAYASHI, TomomiMATSUMOTO, NaoyaAIHARA, Takeshi
    • B21D51/26B65D1/18
    • B21D51/2646B65D1/18B65D7/06
    • Provided is a polygonal in which a decoration effect equivalent to that of a cylindrical base-can is obtained without causing folding or deformation in a can body-part. Bottom-part outer-peripheral parts (A-2) of a cylindrical base-can that are expected to form linear parts (B-2) of a polygonal can (B) are moved inward in a radial direction, while bottom-part outer-peripheral parts (A-1) of the cylindrical base-can that are expected to form corner parts (B-1) of the polygonal can are moved outward in the radial direction. Thus, the polygonal can is molded such that the body-part cross-section peripheral length of the cylindrical base-can and the body-part cross-section peripheral length of the molded polygonal can have a substantially isometric relationship.
    • 提供一种多边形,其中获得与圆筒形基座相当的装饰效果,而不会在罐体部分中产生折叠或变形。 预期形成多边形罐(B)的直线部分(B-2)的圆筒形底罐的底部外周部分(A-2)沿径向向内移动,而底部外部 预期形成多角形罐的角部(B-1)的圆筒形基座的周边部(A-1)能够向径向外侧移动。 因此,多边形罐被模制成使得圆筒形基座的主体部分横截面周长和模制多边形的主体部分横截面周长可以具有基本上等距的关系。