{
  "$type": "site.standard.document",
  "description": "The invention relates to a tire having a rubber tread (1 ) of a cap/base configuration composed of a composite of a silica-rich tread cap layer (4) running surface, and an underlying transition zone composite of a carbon black-rich intermediate layer (6) positioned between the tread cap layer (4)…",
  "path": "/patents/1088859",
  "publishedAt": "2004-03-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/0016",
    "GOODYEAR TIRE & RUBBER [US]"
  ],
  "textContent": "The invention relates to a tire having a rubber tread (1 ) of a cap/base configuration composed of a composite of a silica-rich tread cap layer (4) running surface, and an underlying transition zone composite of a carbon black-rich intermediate layer (6) positioned between the tread cap layer (4) and a tread base layer (5). The combination of intermediate layer (6) and base layer (5) provide a beneficial graduated stiffness bet-ween the tread cap layer (4) and the tire carcass (7). Significantly, the transition zone composite enables a significantly thicker carbon-black rich portion of the tread compo-site and an associated thinner silica-rich tread cap running surface. In one aspect, the intermediate layer (6) of the transition zone composite can extend to and include a bottom portion (8) of at least two of the grooves (3) of said tread cap layer (4) to support an associated tread lug (2) therebetween.",
  "title": "tire with a multi-layered tread"
}