Steel cord for reinforcing rubber articles

Details Steel cord for reinforcing rubber articles Steel cord for reinforcing rubber articles

2005-06-14

2005-06-14

Calvert, John J. (Department: 3765)

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

C057S218000, C057S311000

Reexamination Certificate

active

06904744

ABSTRACT:
Steel cord includes a first group and a second group. The second group is helically twisted around the first group with a cord twisting step. The first group includes a first number of first steel filaments. The first number ranges between three and eight. The second group comprises a second number of second steel filaments. The second number is equal to or greater than the first number. The first filaments having a twist step greater than 300 mm. At least one of the second filaments is polygonally performed in order to allow rubber penetration.

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