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US 8,430,143 B2Granted
Pneumatic tire
AssigneeThe Yokohama Rubber Co., Ltd.
InventorAtsushi Tanno
Life of this patent
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Abstract
A pneumatic tire including a sealant layer formed from a sealant fluid having adhesive properties that is provided on a tire inner circumferential surface corresponding with a tread portion; and a sound absorbing layer formed from a porous material that is provided via a barrier layer impermeable to the sealant fluid on an inner circumferential surface of the sealant layer; wherein a width W1 of the sound absorbing layer in a tire width direction is from 50 to 90% of a width W2 of the sealant layer in the tire width direction.
Claims20
A pneumatic tire comprising:
- a sealant layer formed from an adhesive sealant fluid being provided on a tire inner circumferential surface corresponding with a tread portion;
- and
- a sound absorbing layer formed from a porous material having interconnecting cells being provided via a barrier layer impermeable to the sealant fluid on an inner circumferential surface of the sealant layer, the sealant layer and the sound absorbing layer being completely insulated from one another by the barrier layer;
- wherein a width W1 of the sound absorbing layer in a tire width direction is from 50 to 95% of a width W2 of the sealant layer in the tire width direction.
1 more element
Dependencies are inferred from the claim text.