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2. 发明授权

US3691704A Hollow sphere and structural elements for constructing same 失效
标题翻译：中空球面和结构构件的构造
公开(公告)号：US3691704A
公开(公告)日：1972-09-19
申请号：US3691704D
申请日：1970-05-19
申请人： PHILLIP J NOVAK
发明人： NOVAK PHILLIP J
IPC分类号： A63H33/06 , B65D88/04 , E04B1/32
CPC分类号： A63F9/12 , A63F2009/1094 , A63F2009/1216 , A63F2009/124 , A63H33/062 , B65D88/04 , E04B1/3211 , E04B2001/3276 , Y10S52/10
摘要： A plurality of structural elements, having dished bodies presenting convex outer and concave inner surfaces and corresponding in shape to that of a geometrical subsection of an even fractional portion of a spherical shell, are closely associated and preferably interfitted by means of broad and flat tongues and corresponding recesses, that are spaced below such convex outer surfaces and preferably lie substantially wholly between the convex and concave surfaces, to form a hollow sphere. Both the tongues and recesses have mating nubs for interlocking the individual elements together when interfitted to form a sphere. The structural elements can either be positively secured to each other or left free for easy disassembly. The convex outer surfaces of various of these structural elements may be colored or otherwise treated differently to provide a patterned exterior surface for the sphere, and the mated contiguous edges of such structural elements may be joined, adhesively or otherwise.
摘要翻译：多个结构元件具有呈现凸形外凹面和凹面内表面并且具有与球壳的均匀部分的几何部分相对应的形状的凹陷体，并且优选地通过宽扁平舌片和相应的凹部，其在这种凸形外表面下方间隔开，并且优选地基本上完全位于凸表面和凹面之间，以形成中空球体。舌状物和凹槽均具有配合的结合体，用于在互相配合形成球体时将各个元件互锁在一起。结构元件可以相互牢固地固定或保持自由以便于拆卸。各种这些结构元件的凸形外表面可以被着色或以其他方式不同地进行处理，以提供用于球体的图案化外表面，并且这些结构元件的配合的邻接边缘可以粘合地或以其他方式接合。

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