{
  "$type": "site.standard.document",
  "description": "A tire includes bead cores, a carcass layer extended across the bead cores, a belt layer on a radially outer side of the carcass layer, and a tread portion. The tire outer diameter OD (mm) satisfies 200≤OD≤660. The total tire width SW (mm) satisfies 100≤SW≤400. A groove area ratio Aa (%) of the…",
  "path": "/patents/1424861",
  "publishedAt": "2026-06-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/033",
    "The Yokohama Rubber Co., LTD."
  ],
  "textContent": "A tire includes bead cores, a carcass layer extended across the bead cores, a belt layer on a radially outer side of the carcass layer, and a tread portion. The tire outer diameter OD (mm) satisfies 200≤OD≤660. The total tire width SW (mm) satisfies 100≤SW≤400. A groove area ratio Aa (%) of the tread portion satisfies 0.008≤Aa/OD≤0.150. When a region of 48×(OD/SW){circumflex over ( )}(1/5) (%) from a maximum ground contact width end portion on a tire inner side when the tire is mounted on a vehicle is defined as a tire inner region of the tread portion, a groove area ratio Ai (%) of the tire inner region and a groove area ratio Ao (%) of a tire outer region as a region other than the tire inner region have a relationship Ai>Ao.",
  "title": "Tire"
}