Tire comprising a durable reinforcing structure and optionally an interrupted sealing layer

By avoiding contact between the airtight layer and the anchor point in the tire reinforcement structure and optimizing the reinforcement structure design, the durability problem at the interface between the tire bead and the tire crown is solved, achieving higher durability and lower rolling resistance while maintaining grip and handling performance.

CN122459162APending Publication Date: 2026-07-24MICHELIN & CO (CIE GEN DES ESTAB MICHELIN)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MICHELIN & CO (CIE GEN DES ESTAB MICHELIN)
Filing Date
2024-11-28
Publication Date
2026-07-24

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Abstract

The present invention relates to a tyre (10) comprising a crown (12), a first and a second side wall (30A, 30B), a first and a second bead (32A, 32B), an inner surface (34) delimiting an annular cavity (36) for inflating the tyre (10), a first reinforcing element (54A) extending continuously in the annular cavity (36) from a radially inner anchoring point (56A) and / or a radially outer anchoring point (58A) of the first reinforcing element (54A), and a barrier (18) for sealing the inflation gas, the barrier partially forming the inner surface (34) and being kept at a distance from the radially inner and / or radially outer anchoring points (56A, 58A).
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