TWO-LAYER MULTI-STRAND CORDS HAVING VERY LOW, LOW AND MEDIUM MODULI

A two-layer multi-strand cord () comprises an internal layer (CI) of the cord made up of J>1 internal strands (TI) and an external layer (CE) of the cord made up of L>1 external strands (TE). The cord satisfies the relationship 95≤MC≤175, where MC=(J×MI+L×ME)/(J+L); MI=200×cos(α)×[Q×(D1/2)×cos(β)+N×(D2/2)×cos(γ)]/[Q×(D1/2)+N×(D2/2)]; and ME=200×cos(α′)×[Q′×(D1′/2)×cos(β)+P′×(D2′/2)×cos(6′)+N′×(D3′/2)×cos(β)]/[Q′×(D1′/2)+P′×(D2/2)+N′×(D3′/2)], where D1, D1′, D2, D2′, and D3′ are in mm, α and α′ are the helix angle of each internal and external strand (TI), β and β′ are the helix angle of each internal thread (F1, F1′), δ′ is the helix angle of each intermediate thread (F2′) and γ and γ′ are the helix angle of each external thread (F2, F3′).