Hybrid cabled cord and a method to make it

Details Hybrid cabled cord and a method to make it Hybrid cabled cord and a method to make it

2006-05-30

2006-05-30

Hurley, Shaun R. (Department: 3765)

Textiles: spinning, twisting, and twining

Apparatus and processes

Stranding

C057S058520

Reexamination Certificate

active

07051507

ABSTRACT:
The present invention is directed to a hybrid cabled cord comprising: at least two yarns having different properties and an unbalanced configuration wherein the hybrid cabled cord has improved tensile strength retention. In a preferred embodiment one of the two yarns comprises polyethylene terephthalate and the second of at least two yarns comprises polyethylene naphthalate and the coring level is between about 3% to about 15%. The present invention is also directed to a process for making a hybrid cabled cord comprising the steps of supplying at least two yarns having different properties to a direct cabler, and cabling the at least two yarns using the direct cabler to achieve a hybrid cabled cord having a coring level which is not zero. The present hybrid cabled cord may be used in tire cord for rubber reinforcement in passenger car tires, van tires, light truck tires, or motorcycle tires.

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