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US 9,211,686 B2Granted
Tyre having a built-in self-sealing layer
AssigneesCompagnie Generale Des Etablissements Michelin, Michelin Recherche et Technique S.A.
InventorsJose Merino Lopez, Bozena Voge, Michel Ahouanto
Life of this patent
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Abstract
A method for protecting a tire against punctures includes: providing a self-sealing layer; providing an anti-tack layer that includes particles having a shape factor higher than 5; forming a tire such that the self-sealing layer is built into the tire during manufacture of the tire; and applying the anti-tack layer a radially internal surface of the self-sealing layer.
Claims8
A method for protecting a tyre against punctures, the method comprising the steps of:
- providing a self-sealing layer;
- providing a gastight layer;
- providing a carcass reinforcer;
- forming a green tyre that includes at least the self-sealing layer, the gastight layer, and the carcass reinforcer, such that the gastight layer is positioned between the self-sealing layer and the carcass reinforcer, and such that the self-sealing layer is built into the green tyre during manufacture of the green tyre;
- and
- applying an anti-tack layer to a radially internal surface of the self-sealing layer, the anti-tack layer including particles having a shape factor F=L/E high than 5.
3 more elements
Dependencies are inferred from the claim text.