{
  "$type": "site.standard.document",
  "description": "Provided is a run-flat tire in which the ride quality and the run-flat durability during normal running are highly combined. The tire is provided with a reinforcing cord layer covering the radial carcass at least from the belt end to the maximum width portion of the tire side portion; the cord…",
  "path": "/patents/999380",
  "publishedAt": "2012-08-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C13/00",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "Provided is a run-flat tire in which the ride quality and the run-flat durability during normal running are highly combined. The tire is provided with a reinforcing cord layer covering the radial carcass at least from the belt end to the maximum width portion of the tire side portion; the cord constituting the reinforcing cord layer is nylon 66 cord, cellulose fiber cord, PET cord, PEN cord or aramid/nylon 66 hybrid cord, and has a cord angle of less than 10° with respect to the tire radius direction; and the elastic modulus of the cord pulled out from the tire at a temperature of 25°C under the conditions of a load of 3 N is not higher than 40 cN/dtex, and the thermal shrinkage stress à (cN/dtex) at a temperature of 177°C and the elastic modulus E (cN/dtex) at a temperature of 177°C under the conditions of a load of 10 N satisfy the following conditions: à + 0.025E ¥ 0.36,40 ¥ E ¥ 8, and Ã¥ 0.05",
  "title": "RUN-FLAT TIRE"
}