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Ball Bat Including Multiple Failure Planes

A technique for bats and planes, applied in the direction of rackets, sports accessories, etc.

Inactive Publication Date: 2014-08-27
EASTON DIAMOND SPORTS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conversely, less durable laminate designs may only be able to withstand deflection of about 0.10 inches, for example, before barrel performance improves

Method used

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  • Ball Bat Including Multiple Failure Planes
  • Ball Bat Including Multiple Failure Planes
  • Ball Bat Including Multiple Failure Planes

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Experimental program
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Embodiment Construction

[0021] Various embodiments of the invention will now be described. The following description provides specific details for a thorough understanding and illustration of these embodiments. However, one skilled in the art will recognize that the invention may be practiced without many of these details. Also, some well-known structures or features may not be shown or described in detail to avoid unnecessarily obscuring the description of various embodiments.

[0022] The terminology used in the following description is intended to be interpreted in its most reasonable manner even though it is used in conjunction with the detailed description of certain specific embodiments of the invention. However, any term that is intended to be emphasized below is intended to be construed in any limiting manner will be explicitly and unambiguously defined in this Detailed Description.

[0023] Where the context permits, singular or plural clauses may also include plural or singular clauses, r...

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PUM

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Abstract

A composite ball bat includes multiple failure planes within a barrel wall. By including multiple failure planes in a barrel wall, the bat exhibits a drop in performance when subjected to rolling or other extreme deflection, with no temporary increase in barrel performance. Because the barrel performance does not increase, the ball bat is able to comply with performance limitations imposed by regulatory associations.

Description

[0001] claim priority [0002] This application is a continuation-in-part of US Patent Application Serial No. 13 / 337,630, filed December 27, 2011, which is a continuation-in-part of US Patent Application Serial No. 12 / 652,523, filed January 5, 2010. Background technique [0003] Softball and baseball leagues have experienced dramatic increases in the number of bats being altered by players to improve hitting performance. The most common method used to alter a bat to improve performance is known as "rolling," in which the bat barrel is placed between two cylinders ("rollers") that are oriented perpendicular to the barrel the longitudinal axis. The roller is pressed against the bat barrel, which deflects the bat cross section. (A schematic diagram of the rolling setup is shown in figure 2 middle. ) While the barrel is in compression mode, the bat is moved along its longitudinal axis through the compression rollers to compress the barrel along most of its length. This rollin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A63B59/00
CPCA63B59/06A63B2209/023A63B59/50A63B59/54A63B2102/18A63B60/08
Inventor 庄幸彦杜威·肖万
Owner EASTON DIAMOND SPORTS LLC