TYRE BEAD WIRE AND PROCESS FOR PRODUCTION THEREOF
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United States of America Patent
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Issued Date -
Mar 15, 2012
app pub date -
May 26, 2010
filing date -
Jun 5, 2009
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Abandoned
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Abstract
A tire bead wire and a process for producing a tire bead where a carbon steel wire rod containing carbon in a range of 0.61% or more to 0.65% or less in weight percent and having a diameter in a range of 5.5 mm to 6.5 mm is wiredrawn through a single wiredrawing process to a predetermined final wiredrawing diameter having a true strain in a range of 2.0 to 4.0 and is turned to a pearlite structure in which ferrite and cementite are drawn in parallel with a narrow interval therebetween.
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