Tire with belt having wrap around gum strip
AssigneeBridgestone Americas Tire Operations, LLC
InventorsJustin M. Gehres, Adam K. Nesbitt
Life of this patent
Estimating the term…
Abstract
A tire includes a circumferential tread, a pair of beads, and a pair of sidewalls. The tire further includes a plurality of circumferential belts disposed below the circumferential tread and extending in an axial direction. The plurality of circumferential belts include a lower belt and an upper belt. The tire also includes at least one gum strip. The at least one gum strip has a first portion in contact with a top surface of the lower belt and a bottom surface of the upper belt. The at least one gum strip has a second portion disposed below the lower belt.
Claims7
A pneumatic tire with a circumferential tread, a pair of beads, and a pair of sidewalls, the pneumatic tire comprising:
- a plurality of circumferential belts disposed below the circumferential tread and extending in an axial direction, the plurality of circumferential belts including a lower belt and an upper belt;
- at least one gum strip wrapped around an end of the lower belt,
- wherein the at least one gum strip has a first portion in contact with a top surface of the lower belt and a bottom surface of the upper belt, and
- wherein the at least one gum strip has a second portion disposed below the lower belt, and
- wherein no gum strip is wrapped around an end of the upper belt;
- at least one cap ply disposed above the upper belt, and extending axially across and in contact with the entire upper belt,
- wherein the at least one cap ply contacts the first portion of the at least one gum strip;
- and
- a reinforcement layer disposed above the at least one cap ply and above the at least one gum strip,
- wherein an end of the reinforcement layer is disposed axially outside a respective end of the upper belt, and
- wherein the reinforcement layer extends axially across only a portion of the cap ply.
Dependencies are inferred from the claim text.