{
  "$type": "site.standard.document",
  "description": "A pneumatic tire with reduced tire noise, reduced rolling resistance, and improved steering stability performance is provided. An average thickness of an undertread rubber in a center region is greater than that in a shoulder regions, a loss tangent tan δ at 60° C. of the cap tread rubber is higher…",
  "path": "/patents/1295600",
  "publishedAt": "2021-07-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/005",
    "The Yokohama Rubber Co., LTD."
  ],
  "textContent": "A pneumatic tire with reduced tire noise, reduced rolling resistance, and improved steering stability performance is provided. An average thickness of an undertread rubber in a center region is greater than that in a shoulder regions, a loss tangent tan δ at 60° C. of the cap tread rubber is higher than that of the undertread rubber, and the ratio CAI/UAI of a cross-sectional area CAI of the cap tread rubber to a cross-sectional area UAI of the undertread rubber is not less than 0.15 and not greater than 0.95 in the center region.",
  "title": "Pneumatic Tire"
}