Ball for ball game
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United States of America Patent
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-
Jan 19, 2010
Grant Date -
Feb 28, 2008
app pub date -
Oct 26, 2007
filing date -
Apr 7, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides a ball for ball games which has equivalent or increased cushioning properties when compared conventional balls. The ball for ball games of the present invention includes a bladder made of rubber or elastomer, and a foamed layer covering the outside of the bladder, in which a skin layer is provided on each surface sectionalized by partition portions extending from the surface of the foamed layer, the partitions having a lesser degree of expansion than the main portion of the surface which is sectionalized by the portions.
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