Invention Grant
US08986137B2 Ball incorporating element for cracking cover 有权
球包含破裂盖元素

Ball incorporating element for cracking cover
Abstract:
A ball includes a core, a cover, and cracking element or cracking layer. The cracking layer may be deformed or actuated to create discontinuities in the cover. The creation of discontinuities allows for easier recycling of the ball parts. The cracking layer may include one of a bladder or a hydrophilic material that expand upon the introduction of a fluid, a shape memory polymer that deforms upon application of a stimulus, or two materials that react chemically to form a gas.
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