{
  "$type": "site.standard.document",
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  "description": "In order to provide a tire having improved steering stability on a wet road and grip performance on snow after abrasion with a good balance there is the provision of a tread comprising three or more rubber layers and a complex elastic modulus E* and a loss tangent tan δ of each of the rubber layers…",
  "path": "/patents/1413100",
  "publishedAt": "2024-02-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0008",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "In order to provide a tire having improved steering stability on a wet road and grip performance on snow after abrasion with a good balance there is the provision of a tread comprising three or more rubber layers and a complex elastic modulus E* and a loss tangent tan δ of each of the rubber layers have predetermined relationship, wherein an intermediate rubber layer (7) has a complex elastic modulus at 30° C lower than the cap rubber layer (6) and lower than the base rubber layer (8); other tread rubber layer (8); and the intermediate rubber layer (7) has a loss tangent tan δ at 30° C higher than the cap rubber layer (6) and higher than the base rubber layer (8)",
  "title": "TIRE"
}