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    • 9. 发明申请
    • A STACKABLE PLASTIC BOX BLANK AND METHOD OF FORMING SAME
    • 一种可堆叠的塑料盒及其形成方法
    • WO1998047775A1
    • 1998-10-29
    • PCT/SG1997000039
    • 1997-09-02
    • MOULDEX PLAST ABMOLANDER, Dan
    • MOULDEX PLAST AB
    • B65D06/18
    • B65D5/2057B29C45/1657B29C2045/1659B29L2031/22B65D5/302B65D5/6629B65D11/1833B65D2301/20
    • A stackable plastic box blank (30) constructed using a reinforcing net (2) made of first plastics material of rubber-modified polypropylene to form strong hinges, and a second plastics material (e.g) polypropylene, polythene) injection moulded in the spaces between elements of the net to form panels and flaps. The first plastic has a melt index less than the second plastic. The different second plastic characteristics enable additional column support to be provided. The structure of the box also reduces the forces on its structural walls by the provision of load bearing panels (42, 46, 62, 66). These load bearing panels are provided with convex projections of concavities which snap fit into rectangular openings in the end panels (44, 64). Base panel (58) and lid flaps (50, 58) are provided with concavities to provide anti-slip with adjacent boxes when in either the erected or collapsed state.
    • 使用由橡胶改性聚丙烯的第一塑料材料制成的增强网(2)构成的可堆叠塑料盒坯料(30)以形成强铰链,以及在元件之间的空间中注塑的第二塑料(例如聚丙烯,聚乙烯) 的网形成板和襟翼。 第一种塑料的熔体指数小于第二种塑料。 不同的第二塑料特性使得能够提供附加的柱支撑。 箱体的结构还通过设置承重面板(42,46,62,66)来减小其结构壁上的力。 这些承载面板设置有凹凸的凸起突起,其卡扣配合到端板(44,64)中的矩形开口中。 底板(58)和盖板(50,58)设置有凹部,以在竖立或折叠状态下与相邻的箱体进行防滑。