Bladder shell for inflatable balls
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United States of America Patent
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Sep 27, 2005
Grant Date -
Sep 18, 2003
app pub date -
Feb 10, 2003
filing date -
Oct 8, 1999
priority date (Note) -
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Abstract
A bladder shell for inflatable balls having a layer of blended synthetic latex and natural rubber latex compounded with an anti-oxidant, an activator, an accelerator, a thickening agent, a wetting agent, and a stabilizer etc. to form a low air permeability and high bounce bladder shell having thickness of between 0.25 mm to 3.0 mm. Also disclosed is a process for the preparation of the bladder shell that includes dipping former in a bath of blended natural rubber latex and synthetic latex.
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