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US 6,915,826 B2Granted
Puncture sealing pneumatic tire
AssigneeThe Goodyear Tire & Rubber Company
InventorsDavid Charles Poling, Susan Lynn Deevers, Samuel Patrick Landers
Life of this patent
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Abstract
A pneumatic tire has a puncture sealing layer radially inward of the tire carcass layer. The puncture sealing layer is formed by co-extruding a sealant material and an skin compound.
Claims13
A pneumatic tire comprising a carcass layer, an innerliner located radially inward of the carcass layer, and a sealant layer located radially outward of the innerliner,
- the sealant layer comprising a plurality of individual co-extruded sealant tubes wherein the sealant tubes have an outer skin and an interior of sealant material, the sealant layer being discontinuous from one tire sidewall to the opposing sidewall, wherein the tubes are located in discrete regions of the tire.
Dependencies are inferred from the claim text.