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US 10,589,478 B2Granted
Pneumatic tire having sealant layer
AssigneeTriangle Tyre Co., Ltd.
InventorsRamendra Majumdar, Edward Montgomery, Lingbo Dong, Dapeng Wang
Life of this patent
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Abstract
A tire with a built-in puncture sealant comprising a supporting tire carcass comprised of one or more layers of ply, an outer circumferential tread, and a radially inner layer, a pair of beads, sidewalls extending radially inward from the axial outer edges of the tread portion to join the respective beads, a sealant comprising a butyl ionomer containing degradation product, disposed inwardly from said tire carcass inner layer, wherein said sealant provides self-sealing properties to the tire.
Claims9
A method for making a tire comprising
- forming a green tire;
- adding a sealant precursor comprising a butyl ionomer composition comprising 5 to 100 parts per hundred rubber (phr) of butyl ionomer, and one or more peroxides to said green tire;
- curing said green tire;
- wherein said sealant precursor containing butyl ionomer degrades during tire cure to form a sealant layer.
1 more element
Dependencies are inferred from the claim text.