Poly(ethyleneterephthalate) tire cord, and tire comprising the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9062394
APP PUB NO 20110108178A1
SERIAL NO

13003737

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Abstract

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Disclosed is a PET tire cord which has a flat spot index (FSI) defined by the following Calculation Formula 1 of 5.0% or less:

description='In-line Formulae' end='lead'Flat Spot Index (FSI)(%)=(L1−L2)/L0×100  Calculation Formula 1description='In-line Formulae' end='tail'

wherein, L0 is an initial length of the tire cord, L1 is a length of the tire cord that is measured after providing a load corresponding to 13% of the strength at break of the cord for 5 minutes at 120° C. and cooling the same to 24° C. while maintaining the load, and L2 is a length of the tire cord that is measured after providing a load corresponding to 13% of the strength at break of the cord for 5 minutes at 120° C. and cooling the same to 24° C. while remaining the load of 0.01 g/d only.

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Patent Owner(s)

  • KOLON INDUSTRIES, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chung, Il Gumi-si, KR 27 53
Jeon, Ok-Hwa Gyeongsan-si, KR 16 42
Kim, Gi-Woong Daegu, KR 35 72

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