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    • 1. 发明授权
    • Laminated ball bat
    • 层压球棒
    • US06007440A
    • 1999-12-28
    • US50230
    • 1998-03-27
    • Donald A. BenderJoe M. Sample
    • Donald A. BenderJoe M. Sample
    • A63B59/06
    • A63B59/50A63B2102/18
    • A ball bat typically used in playing the game of baseball or softball is constructed of an inner layer bounded by first and second outer layers. The inner layer typically contains four inner lamina bonded together, while the first and second outer layers typically contain a single outer lamina. The inner laminas from the medial portion of the barrel of the bat, as well as the handle portion. The outer laminas form lateral portions of the barrel of the bat, and are gently tapered toward the handle of the bat. The thickness and relative position of each lamina is related to the results of non-destructive testing of the wood forming that lamina.
    • 通常用于玩棒球或垒球的游戏的球棒由由第一和第二外层限定的内层构成。 内层通常包含结合在一起的四个内层,而第一和第二外层通常包含单个外层。 来自蝙蝠枪管的中间部分的内层片以及把手部分。 外层板形成蝙蝠桶的横向部分,并朝向蝙蝠的手柄轻轻地逐渐变细。 每个层板的厚度和相对位置与形成层板的木材的无损检测结果有关。
    • 3. 发明授权
    • Break resistant ball bat
    • 防撞球棒
    • US06238309B1
    • 2001-05-29
    • US09357119
    • 1999-07-19
    • Joe M. Sample
    • Joe M. Sample
    • A63B5906
    • A63B59/50A63B60/54A63B2102/18A63B2209/02
    • A break resistant ball bat 10 provides an elongated body 20 that generally provides handle and barrel portions 22, 24, with a transition area 26 between them. Upon impact with a ball, vibration having an outer node 30 and an inner node 32 results. The vibration is particularly hazardous for a critical stress area 34, which contains the majority of locations within the bat statistically most likely to break. The critical stress area is roughly coextensive with the handle and a portion of the transition area adjacent to the handle. A fiber sleeve 40 encloses and protects the critical stress area. The fiber sleeve provides a layer of fibers or filaments 42 oriented generally parallel to the length of the bat. The resistance of these filaments to elongation tends to reduce the deflection of the critical stress area upon impact. A matrix 50 of epoxy or resin covers and encloses the filaments. The narrow diameter of individual filaments and their consequently large collective surface area results in a strong bond between the filaments and the matrix.
    • 防破坏的球棒10提供了细长的主体20,该主体20通常提供手柄和镜筒部分22,24,它们之间具有过渡区域26。 当球碰撞时,产生具有外节点30和内节点32的振动。 对于临界应力区域34来说,振动是特别危险的,其中包含蝙蝠中绝大多数可能断裂的大部分位置。 临界应力区域与手柄和靠近手柄的过渡区域的一部分大致相同。 纤维套筒40封闭并保护临界应力区域。 纤维套筒提供通常平行于蝙蝠的长度定向的一层纤维或细丝42。 这些长丝对延伸的阻力倾向于减小冲击时临界应力区的偏转。 环氧树脂或树脂的基质50覆盖并包围长丝。 单个细丝的窄直径及其随后的大的集体表面积导致细丝和基质之间的强结合。