Steel cord for protection plies of pneumatic tires
AssigneeNV Bekaert SA
InventorsUrbain D'Haene, Marc Eggermont, Yvan Lippens, Dirk Meersschaut
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Abstract
A steel cord particularly adapted for reinforcement of a protection ply in a tire has under compression in rubber a deformation Wk at instability of at least 3% and is stress-relieved so that its total elongation at rupture in rubber exceeds 3.5%. The steel cord comprises pearlite filaments.
Claims6
A steel cord adapted for reinforcement of a protection ply in a tire, said steel cord having under compression in rubber a deformation wk at instability of at least 3%, said steel cord comprising steel pearlite filaments, characterized in that said steel cord is stress-relieved so that its total elongation at rupture in rubber exceeds 3.5%.
Dependencies are inferred from the claim text.