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US 2023/0135243 A1Published application
Tire with specified cord construction
AssigneeThe Goodyear Tire & Rubber Company
InventorRobert Edward Lionetti
Life of this patent
Estimating the term…
Abstract
A cord reinforces a rubber article. The cord includes a core strand having a two-layer twisted layer structure formed by intertwining a plurality of filaments, a plurality sheath strands intertwined around the core strand, the sheath strands having a twisted layer structure formed by intertwining a plurality of filaments, and a wrap wire applied around the core strand and at least one of the sheath strands. The wrap wire creating a permanent and stable minimum gap between the core strand and the sheath strands.
Claims20
A cord for reinforcing a rubber article comprising:
- a core strand having a two-layer twisted layer structure formed by intertwining a plurality of filaments;
- a plurality sheath strands intertwined around the core strand, the sheath strands having a twisted layer structure formed by intertwining a plurality of filaments;
- and
- a wrap wire applied around the core strand and at least one of the sheath strands, the wrap wire creating a permanent and stable minimum gap between the core strand and the sheath strands.
1 more element
A tire comprising:
- two bead structures;
- a carcass extending from one bead structure to the other bead structure;
- a belt disposed radially outward from the carcass;
- a tread for engaging a road surface;
- and
- a cord including a core strand having a two-layer twisted layer structure formed by intertwining a plurality of filaments, a plurality sheath strands intertwined around the core strand, the sheath strands having a twisted layer structure formed by intertwining a plurality of filaments, and a wrap wire applied around the core strand and at least one of the sheath strands, the wrap wire creating a permanent and stable minimum gap between the core strand and the sheath strands.
3 more elements
Dependencies are inferred from the claim text.