{
  "$type": "site.standard.document",
  "description": "In a tire 2, a tread 4 includes a cap layer 38 forming a part of an outer surface of the tire 2, a base layer 40 disposed inwardly of the cap layer 38 in a radial direction, and an intermediate layer 42 disposed between the cap layer 38 and the base layer 40 in the radial direction. A loss tangent…",
  "path": "/patents/1406198",
  "publishedAt": "2025-08-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0008",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "In a tire 2, a tread 4 includes a cap layer 38 forming a part of an outer surface of the tire 2, a base layer 40 disposed inwardly of the cap layer 38 in a radial direction, and an intermediate layer 42 disposed between the cap layer 38 and the base layer 40 in the radial direction. A loss tangent of the intermediate layer 42 at 30°C is less than a loss tangent of the cap layer 38 at 30°C and a loss tangent of the base layer 40 at 30°C is less than the loss tangent of the intermediate layer 42 at 30°C. The tread 4 includes at least two three-layer body portions 44 formed of the cap layer 38, the intermediate layer 42, and the base layer 40, and at least one two-layer body portion 46 that is formed of the cap layer 38 and the base layer 40 and disposed between a first three-layer body portion 44a and a second three-layer body portion 44b.",
  "title": "TIRE"
}