Pneumatic radial tires
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United States of America Patent
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Dec 16, 1986
Issued Date -
N/A
app pub date -
Feb 13, 1985
filing date -
Oct 21, 1982
priority date (Note) -
Expired
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Abstract
A pneumatic radial tire having a high durability is disclosed, which comprises a carcass composed of at least one ply containing polyester fiber cords embedded in rubber. This polyester fiber cord has particular fiber properties and cord properties. Among the cord properties, the elongation under a tension of 2 g/D of the cord after the specific post-cure inflation treatment is not more than 4.5% and the sum of the elongation and heat shrinkage is not more than 8.0%.
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