Original document(4 pages)  中文版
    The invention discloses sport device for water cake sport, a throwing type of sports, wherein the device is to be thrown into the water, and can flip on the water surface. The water cake is made on the basis of the Bernolli theory in water interfacial tension and fluid mechanics, which is a cylinder, and can be provided with more than two projected surfaces on the bottom surface, or more than two indent curved surfaces, so as to make the water cake jump higher and farer.
Application Number
申请号		 200410097176 Application Date
申请日		 2004.12.13
Title 名称 Sports device for flipping and flying on water surface
Publication Number
公开号		 1631475 Publication Date
公开日		 2005.06.29
Approval Pub. Date Granted Pub. Date
International Classification 分类号 A63B67/12,A63B65/00
Applicant(s) Name
申请人		 Wu Jujie
Address 地址 102600
Inventor(s) Name 发明人
Attorney & Agent 代理人

  
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