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US 2024/0308274 A1Published application
Pneumatic tire
AssigneeThe Goodyear Tire & Rubber Company
InventorsLuka Komljenovic, Michael James Buckley, Eder Abreu De Matos
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Abstract
The present invention relates to a pneumatic tire having a tread comprising a tread base layer and a tread cap. The tread cap comprises a first tread cap layer and a second tread cap layer of different polymeric compositions, the tread cap having a central cap zone ZC and two lateral cap zones ZL the lateral cap zones ZL being located axially adjacent to the central cap zone ZC and on axially opposite sides of the central cap zone ZC.
Claims13
A pneumatic tire having a tread comprising
- a tread base layer;
- a tread cap comprising a first tread cap layer and a second tread cap layer of different polymeric compositions,
- the tread having a central zone ZC and two lateral zones Z L the lateral zones Z L being located axially adjacent to the central zone ZC and on axially opposite sides of the central zone ZC,
- wherein the first tread cap layer is arranged radially outward of the tread base layer and axially extends through the central zone ZC and both lateral zones ZL,
- wherein the second tread cap layer is arranged within the central zone ZC and radially outside of both the tread base layer and at least part of the first tread cap layer,
- wherein the tread comprises a center rib with grooves located on each side of the center rib, wherein the center rib is formed of the first tread cap layer and the second tread cap layer, and wherein a first finger-like portion of the second tread cap layer extends radially inward of at least one of the grooves.
3 more elements
4-17. (canceled)
21-26. (canceled)
Dependencies are inferred from the claim text.