Hexagonal Bead Wire Asymmetry Reduces Braking Torque

The patent applies asymmetry by transitioning from a symmetric round bead wire to an asymmetric hexagonal bead wire with six lateral rows and six junctions. This asymmetric geometry prevents the bead wire from rotating incorrectly during the braking torque phase, ensuring proper orientation and eliminating the need to scrap tires due to misalignment. The asymmetric structure maintains manufacturing feasibility while dramatically improving reliability.

The patent employs curvature principles by designing the hexagonal bead wire with rounded corners and smooth transitions between lateral rows and junctions. This curved geometry distributes stress more evenly during the braking torque event, preventing windings from becoming disorganized while maintaining the asymmetric orientation benefits. The curved design also facilitates easier integration with the tire structure.

The patent applies segmentation by dividing the bead wire into six distinct lateral rows connected by six junctions, creating a modular hexagonal structure. This segmentation allows the bead wire to be manufactured using standard wire winding processes while the segmented design inherently prevents disorganization under braking torque. The modular structure can be produced efficiently using automated winding machines, maintaining ease of manufacture despite the improved reliability.

The patent utilizes parameter changes by modifying the geometric parameters of the bead wire from a circular cross-section to a hexagonal cross-section with specific angular relationships. This parameter change fundamentally alters the bead wire's behavior under braking torque, preventing disorganization while the hexagonal geometry can be achieved through conventional wire forming techniques, thus maintaining manufacturing feasibility.

The asymmetric hexagonal configuration with six lateral rows and six junctions creates a geometric lock that maintains precise orientation during the braking torque event. The asymmetric structure ensures that the bead wire settles into a specific orientation where the lateral rows are properly aligned, preventing both rotation and disorganization simultaneously. This geometric constraint maintains orientation precision while distributing forces evenly to preserve structural integrity.

The patent applies preliminary action by pre-configuring the bead wire with a specific hexagonal geometry and winding pattern before it is subjected to braking torque during tire manufacturing. This preliminary geometric configuration ensures that when braking torque occurs, the bead wire is already positioned and structured to resist disorganization and maintain orientation, rather than relying on resistance during the actual torque event.