US 11,833,861 B2
Tire with multiple body plies
Kevin J. Kosmac, Fairlawn, OH (US); Austin J. Fischer, Akron, OH (US); and William H. Durivage, Akron, OH (US)
Assigned to Bridgestone Americas Tire Operations, LLC, Nashville, TN (US)
Filed by Bridgestone Americas Tire Operations, LLC, Nashville, TN (US)
Filed on Aug. 26, 2020, as Appl. No. 17/003,332.
Claims priority of provisional application 62/892,348, filed on Aug. 27, 2019.
Prior Publication US 2021/0061026 A1, Mar. 4, 2021
Int. Cl. B60C 9/18 (2006.01); B60C 15/00 (2006.01); B60C 9/22 (2006.01)
CPC B60C 15/0027 (2013.01) [B60C 9/185 (2013.01); B60C 9/22 (2013.01); B60C 15/0036 (2013.01); B60C 15/0072 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A tire comprising:
a first annular bead and a second annular bead;
at least three body plies, including a first body ply, a second body ply, and a third body ply, extending between the first annular bead and the second annular bead,
wherein the first body ply extends downward, axially inside of the first annular bead and wraps around the first annular bead,
wherein the first body ply has a first turn up portion that extends upward, axially outside of the first annular bead, and
wherein the first turn up portion terminates at a first turn up end,
wherein the second body ply extends downward, axially inside of the first annular bead and axially outside of the first body ply and wraps around the first annular bead,
wherein the second body ply has a second turn up portion that extends upward, axially outside of the first annular bead and axially inside the first turn up portion, and
wherein the second turn up portion terminates at a second turn up end that is radially lower than the first turn up end, and
wherein the third body ply extends downward, axially inside of the first annular bead and axially outside of the second body ply and wraps around the first annular bead,
wherein the third body ply has a third turn up portion that extends upward, axially outside of the first annular bead and axially inside the second turn up portion, and
wherein the third turn up portion terminates at a third turn up end that is radially higher than the first turn up end;
a circumferential belt disposed radially above the at least three body plies and extending axially across a portion of the at least three body plies;
a circumferential tread disposed radially above the circumferential belt;
a first sidewall extending between the first annular bead and the circumferential tread;
a second sidewall extending between the second annular bead and the circumferential tread;
a first stabilizer ply insert,
wherein the first stabilizer ply insert has a first end that is axially inside a first end of the circumferential belt and radially below the circumferential belt, and
wherein the first stabilizer ply insert has a second end that is axially outside of the first end of the circumferential belt and radially lower than the first turn up end and the third turn up end; and
a second stabilizer ply insert,
wherein the second stabilizer ply insert has a first end that is axially inside a second end of the circumferential belt and radially below the circumferential belt, and
wherein the second stabilizer ply insert has a second end that is axially outside of the second end of the circumferential belt.