Extended Life Tire Curing Bladder Composed of Aramid Fibers
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United States of America Patent
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Issued Date -
Jun 16, 2011
app pub date -
Oct 20, 2009
filing date -
Dec 8, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a mixture to create expandable curing bladders for use in the curing process of rubber compositions such as tires. The bladders have an increased service with the addition of the aramid fibers to the rubber polymer. The aramid fibers increase the tear resistance of the cured product allowing for an increased number of expansions and contractions of the rubber polymer during the curing process. The use of these aramid fibers allows the tire curing bladders to cure more tires without changing out the bladder increasing the cost efficiency of the tire curing bladder.
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