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公开(公告)号:US3779201A
公开(公告)日:1973-12-18
申请号:US3779201D
申请日:1972-04-17
申请人: SPAHN L
发明人: SPAHN L
CPC分类号: B63B1/047
摘要: A hollow dirigible-balloon shaped device has spaced, inflated, double walls of pliable plastic and is provided with end openings as passageways for water sportsmen who enter the device and tread on waer. A pair of spaced, plastic dividers within the interior of the device provide reinforcement, and their inner rims function as hand rails.
摘要翻译: 空心圆形气球形装置具有间隔的,膨胀的,柔软的塑料双壁,并且具有端部开口作为进入装置并在胎面上的水上运动员的通道。 在设备内部的一对间隔的塑料分隔器提供加强件,并且它们的内部轮圈用作手动轨道。