{
  "$type": "site.standard.document",
  "description": "Provided is a heavy-duty tire excellent in ride comfort at a high speed. The tire is a heavy-duty tire comprising a tread part, the tread part comprising a rubber layer composed of a rubber composition, the rubber layer comprising a tread surface, the rubber composition comprising: a rubber…",
  "path": "/patents/1389158",
  "publishedAt": "2026-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/0016",
    "SUMITOMO RUBBER INDUSTRIES, LTD."
  ],
  "textContent": "Provided is a heavy-duty tire excellent in ride comfort at a high speed. The tire is a heavy-duty tire comprising a tread part, the tread part comprising a rubber layer composed of a rubber composition, the rubber layer comprising a tread surface, the rubber composition comprising: a rubber component comprising a predetermined amount of an isoprene-based rubber; and a filler comprising a predetermined amount of silica, wherein G, Vt, Aand Asatisfy the following inequalities (1) and (2),",
  "title": "HEAVY-DUTY TIRE"
}