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US 11,691,368 B2Granted
Method for manufacturing a pneumatic tire with an improved tread
AssigneeCompagnie Generale Des Etablissements Michelin
InventorsFrederic Pialot, Thomas Fabre, Pierre Wiel
Life of this patent
Estimating the term…
Abstract
The method comprises the steps of a) forming a carcass composed of a cured rubber material and b) overmolding, on the carcass, at least one thermoplastic elastomer material in order to finish the pneumatic tire.
Claims14
A process for manufacturing a pneumatic tire, characterized in that it comprises the following steps:
- a) forming a carcass comprising uncured rubber materials, a carcass ply, two bead wires (4), an air-impermeable inner rubber and crown plies and then totally curing only the carcass so as to make it elastic;
- b) overmolding on the carcass obtained in step a) at least one material based on a thermoplastic elastomer by injecting a material based on the thermoplastic elastomer into a mold so as to form, onto the carcass, exterior sidewalls and a tread.
Dependencies are inferred from the claim text.