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US 10,583,696 B2Granted
Tire with bead regions having multiple bead fillers
AssigneeBridgestone Americas Tire Operations, LLC
InventorsJacob L. Walters, Atsuo Suzuki, Adam K. Nesbitt, James F. Donahue
Life of this patent
Estimating the term…
Abstract
A tire includes a bead portion with a bead core having a main bead filler and an auxiliary bead filler, and a carcass ply wrapped around a portion of the main bead filler. An end of the carcass ply is located axially outside the main bead filler and radially below an apex of the main bead filler. The auxiliary bead filler is located axially outside the carcass ply end, with an apex of the auxiliary bead filler being located above an apex of the main bead filler.
Claims6
A tire comprising:
- first and second sidewall portions disposed on opposite sides of the tire, and forming axially outermost points on the opposite sides of the tire;
- a first bead portion located adjacent to the first sidewall portion, and a second bead portion located adjacent to the second sidewall portion;
- the first bead portion including a first bead core and a first main bead filler, wherein a bottom portion of the first sidewall portion extends axially inside of the first main bead filler;
- the second bead portion including a second bead core and a second main bead filler, wherein a bottom portion of the second sidewall portion extends axially inside of the second main bead filler;
- a carcass ply wrapped around respective portions of the first and second bead portions,
- wherein the carcass ply includes turn-up portions that wrap around at least a portion of each of the first and second main bead fillers,
- wherein the turn-up portions of the carcass ply terminate at locations radially below respective apexes of the first and second main bead fillers;
- first and second auxiliary bead fillers, the first and second auxiliary bead fillers having lower portions in contact with the turn-up portions of the carcass ply, and upper portions in contact with the first and second sidewall portions, respectively;
- and
- first and second abrasion portions wrapped around the first and second bead portions, respectively,
- wherein the first and second abrasion portions are adjacent to the first and second auxiliary bead fillers and the first and second sidewall portions, respectively.
8 more elements
Dependencies are inferred from the claim text.