{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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    "mimeType": "image/png",
    "size": 77500
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  "description": "Provided is a pneumatic tire having excellent ride comfort and steering stability during high speed running. The pneumatic tire is a pneumatic tire including a tread portion and a belt layer, wherein the belt layer includes reinforcing cords made of a steel monofilament and covered with a rubber…",
  "path": "/patents/1400597",
  "publishedAt": "2025-10-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/033",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "Provided is a pneumatic tire having excellent ride comfort and steering stability during high speed running. The pneumatic tire is a pneumatic tire including a tread portion and a belt layer, wherein the belt layer includes reinforcing cords made of a steel monofilament and covered with a rubber composition, and the number e of the reinforcing cords arranged (cords) per 5 cm in a tire width direction, a thickness G (mm) of the tread portion, and a complex elastic modulus E (MPa) measured for the rubber composition under conditions of temperature: 70°C, initial strain: 5%, dynamic strain: ±1%, frequency: 10 Hz, and deformation mode: stretch, satisfy the following (Expression 1). e ÷ G × E * ≥ 70",
  "title": "PNEUMATIC TIRE"
}