发明公开
- 专利标题： Large-diameter tennis ball
- 专利标题（中）： Tennisball mit grossem Durchmesser。
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申请号： EP85104619.3申请日： 1985-04-17
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公开(公告)号： EP0170782A1公开(公告)日： 1986-02-12
- 发明人: Claire, Brian
- 申请人： Wilson Sporting Goods Company
- 申请人地址： 2233 West Street River Grove Illinois 60171 US
- 专利权人： Wilson Sporting Goods Company
- 当前专利权人： Wilson Sporting Goods Company
- 当前专利权人地址： 2233 West Street River Grove Illinois 60171 US
- 代理机构： Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
- 优先权： US638110 19840806
- 主分类号： A63B39/00
- IPC分类号： A63B39/00 ; A63B41/00
摘要：
© A tennis ball has a diameter about 5% to about 13% greater than the diameter of a standard tennis ball. The ball has about the same weight, and the thickness of the core of the ball is less than that of a standard ball. The rebound and coefficient of restitution of the ball are equal to or better than the rebound and coefficient of restitution of a standard ball.
公开/授权文献
- EP0170782B1 Large-diameter tennis ball 公开/授权日：1988-07-27
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