Tire comprising two carcass layers
AssigneeCompagnie Generale Des Etablissements Michelin
InventorsSYLVIE DUCHEMIN, BRUNO GUIMARD, PIERRE MOUREAU
Life of this patent
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Abstract
The tire (11) for a passenger vehicle comprises a crown (12), two beads (32), two sidewalls (30) each connecting each bead (32) to the crown (12), and a carcass reinforcement (34) anchored in each bead (32). The tire (11) has a load index Ll such that Ll≥Ll′+1 and Ll′ being the load index of an EXTRA LOAD tire of the same size in accordance with the manual of the ETRTO 2019 standard. The tire (11) has a sidewall height H defined by H=SW×AR/100, where SW is the nominal section width and AR is the nominal aspect ratio of the tire in accordance with the manual of the ETRTO 2019 standard, such that H≥95. The carcass reinforcement (34) comprises two carcass layers (36, 37).
Claims20
-14. (canceled)
A tire (11) for a passenger vehicle, the tire comprising a crown (12), two beads (32), two sidewalls (30) each connecting each bead (32) to the crown (12), and a carcass reinforcement (34) anchored in each bead (32), the crown (12) comprising a crown reinforcement (16) and a tread (14), the carcass reinforcement (34) extending in each sidewall (30) and in the crown (12) radially on the inside of the crown reinforcement (16),
- wherein the tire (11) has a load index LI such that LI≥LI′+1, where LI′ is a load index of an EXTRA LOAD tire having a same size in accordance with standard ETRTO 2019,
- wherein the tire (11) has a sidewall height H defined by H=SW×AR/100, where SW is a nominal section width and AR is a nominal aspect ratio of the tire in accordance with standard ETRTO 2019 such that H≥95, and
- wherein the crown reinforcement (34) comprises first and second carcass layers (36, 37).
Dependencies are inferred from the claim text.