NON-PNEUMATIC TIRE WITH IMPROVED SHEAR BAND

A non-pneumatic tire (100) is disclosed comprising an outer annular tread band (200), a shear band (300) located radially under the outer annular tread band (200), and a plurality of connecting structures (500) connecting the tread band (200) and the shear band (300) to a hub (512). The shear band (...

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Bibliographische Detailangaben
Hauptverfasser: MILLER, Andrew James, MYERS, Ann Elizabeth
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A non-pneumatic tire (100) is disclosed comprising an outer annular tread band (200), a shear band (300) located radially under the outer annular tread band (200), and a plurality of connecting structures (500) connecting the tread band (200) and the shear band (300) to a hub (512). The shear band (300) comprises a first reinforcement layer (320) and a second reinforcement layer (330) located radially outward of the first reinforcement layer (320). The first and second reinforcement layers (320, 330) are formed of a plurality of parallel reinforcement cords arranged at an angle of 10 degrees or less with respect to the tire equatorial plane. The shear band (300) further comprises a first angled belt layer (380) located radially outward of the second reinforcement layer (330), and a second angled belt layer (390) located radially outward of the first angled belt layer (380). The first and second angled belt layers (380, 390) each have parallel reinforcement cords arranged at an angle in a range of from 15 to 30 degrees with respect to the tire equatorial plane. The angle of the parallel reinforcement cords in the second angled belt layer (390) is equal to but of opposite direction than the angle of the parallel reinforcement cords in the first angled belt layer (380).