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US 2011/0225944 A1Published application
Off-the-road steel cord with crimped strands
AssigneeNV Bekaert SA
InventorsRik Mullebrouck, Zhichao Cheng
Life of this patent
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Abstract
A steel cord (10) adapted for the reinforcement of rubber products, the steel cord (10) comprises a core (12) and three or more outer strands (14) twisted around the core (12) in a cord twisting direction. The outer strands (14) comprise outer filaments (16) twisted in a strand twisting direction which is the same as the cord twisting direction. The outer strands (14) have a wavy form which makes spaces between the core (12) and the outer strands. The steel cord (10) has improvements on elongation at break and impact resistance capacity.
Claims9
A steel cord adapted for the reinforcement of rubber products,
- said steel cord comprising a core,
- said steel cord further comprising three or more outer strands twisted around said core in a cord twisting direction,
- each of said three or more outer strands comprising outer strand filaments lying at the radially external side of said three or more outer strands, said steel outer filaments being twisted with a strand twisting direction which is the same as said cord twisting direction, said three or more outer strands having a wavy form.
Dependencies are inferred from the claim text.