Patent ID: 8821663
Filing Date: 2014-09-02
Classification: B60C

Abstract:
1. A method of making a ballistic resilient run-flat tire comprising: obtaining a tire carcass comprising: mounting an inner bladder within the tire carcass; filling the inner bladder with a fluid; priming the tire carcass with a primer; preparing a polyurethane slurry by mixing a polyisocyanate mixture with a polyalcohol mixture; introducing an antiballistic panel between the tire carcass and the mounted inner bladder; injecting the polyurethane slurry between the tire carcass and the mounted inner bladder so that a thickness of the polyurethane slurry between the tire carcass and the mounted inner bladder at least one inch thick; curing the injected polyurethane slurry to form a polyurethane inner coating having a side thickness of at least one inch between the sidewall of the tire carcass and that of the mounted inner bladder and bottom thickness of at least one inch between the tread of the tire carcass and that of the mounted inner bladder; and discharging the fluid from the inner bladder.