{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "According to a tire comprising a clinch apex composed of a rubber composition for a clinch apex, the rubber composition having 6.0 to 13.0 MPa of a complex elastic modulus E* at 70°C and 1% strain (E* (70°C)), 0.10 or less of a loss tangent tan δ at 70°C and 1% strain (tan δ (70°C)), and 0.07 or…",
  "path": "/patents/1418860",
  "publishedAt": "2025-12-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "According to a tire comprising a clinch apex composed of a rubber composition for a clinch apex, the rubber composition having 6.0 to 13.0 MPa of a complex elastic modulus E* at 70°C and 1% strain (E* (70°C)), 0.10 or less of a loss tangent tan δ at 70°C and 1% strain (tan δ (70°C)), and 0.07 or less of tan δ at 100°C and 0.5% strain (tan δ (100°C)), and satisfying Equation (1): tan δ (70°C)/E* (70°C)×1000≦10.0, a tire having improved low heat generation and high-speed durability can be provided, while maintaining functions as a clinch apex such as steering stability and riding comfort.",
  "title": "TIRE"
}