{
  "$type": "site.standard.document",
  "description": "A pneumatic tyre includes a ply having a plurality of cords each having an average cord diameter D, and a sidewall rubber having a loss tangent tanδ. The plurality of cords each includes a plurality of filaments twisted together, the plurality of filaments each having an outer diameter d. The…",
  "path": "/patents/1405346",
  "publishedAt": "2025-08-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C13/00",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "A pneumatic tyre includes a ply having a plurality of cords each having an average cord diameter D, and a sidewall rubber having a loss tangent tanδ. The plurality of cords each includes a plurality of filaments twisted together, the plurality of filaments each having an outer diameter d. The plurality of cords each has a ratio D/d of the average cord diameter D to the outer diameter d being equal to or more than 28. The ratio D/d and the loss tangent tanδ of the sidewall rubber satisfy the following formula; tanδ/D/d*1000≤5.5.",
  "title": "PNEUMATIC TIRE"
}