The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 2015
Filed:
Mar. 31, 2009
Applicants:
IL Chung, Gumi, KR;
Ok-hwa Jeon, Gyeongsan-si, KR;
Gi-woong Kim, Daegu, KR;
Inventors:
Assignee:
KOLON INDUSTRIES, INC., Kwacheon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G 3/00 (2006.01); C08G 63/183 (2006.01); B60C 9/00 (2006.01); D01D 10/02 (2006.01); D01F 6/62 (2006.01); D02G 3/48 (2006.01);
U.S. Cl.
CPC ...
C08G 63/183 (2013.01); B60C 9/0042 (2013.04); D01D 10/02 (2013.01); D01F 6/62 (2013.01); D02G 3/48 (2013.01); D10B 2331/04 (2013.01); B60C 2009/0085 (2013.04);
Abstract
The present invention relates to a drawn PET fiber that can provide a cap ply cord and the like showing more improved modulus and good dimensional stability, a PET tire cord, and a tire including the same. The drawn PET fiber may be a fiber including 90 mol % or more of PET, of which the crystallinity is 53% or more, the amorphous orientation factor (AOF) is 0.15 or less, and the birefringence index is 0.14 to 0.16, after heat-treating the same at 230° C. for 1 minute under the initial load of 20 g/1000 d.