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21. 发明授权

US4739722A Laminate structure and boat hull made therefrom 失效
标题翻译：层压结构和由其制成的船体
公开(公告)号：US4739722A
公开(公告)日：1988-04-26
申请号：US1811
申请日：1987-01-08
申请人： Keith L. Rogstad
发明人： Keith L. Rogstad
IPC分类号： B32B15/08 , B63B3/12 , B63B5/24
CPC分类号： B32B15/08 , B63B3/12 , B63B5/24
摘要： A laminate structure and an aluminum open-hulled boat made therefrom. In one embodiment of the laminate structure, an aluminum outer hull layer has adhered thereto a resilient foam layer for absorbing energy that deforms the aluminum outer hull layer. In another embodiment, the laminate structure includes a harder supporting foam layer adhered to the resilient foam layer. In both embodiments, the resilient layer absorbs the energy of deformation of the aluminum outer hull layer, restores the aluminum outer hull to its original shape when the deforming stresses are removed. An inner rigid sheet that is adhered to the innermost inward surface of a foam layer without direct mechanical attachment to the outer hull layer, and the laminate structure provides sufficient structural support to the hull to not require additional cross-supports. A rigid, self-supporting open-hulled aluminum boat can be constructed from either of these laminate structures. Transverse bulkheads are attached to the inner rigid sheet to support a deck.
摘要翻译：层压结构和由其制成的铝开式船。在层压结构的一个实施例中，铝外壳层已经粘附有用于吸收使铝外壳层变形的能量的弹性泡沫层。在另一个实施方案中，层压结构包括粘附到弹性泡沫层的更硬的支撑泡沫层。在两个实施例中，弹性层吸收铝外壳层的变形能量，当去除变形应力时，将铝外壳恢复到其原始形状。粘附到泡沫层的最内侧内表面的内部刚性片材，而不直接机械地附接到外壳层，并且层压结构为船体提供了足够的结构支撑，从而不需要额外的交叉支撑。一个刚性，自支撑的开放式铝舟可以由这些层压结构中的任一个构成。横向舱壁连接到内部刚性板以支撑甲板。

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