{
  "$type": "site.standard.document",
  "description": "The invention relates to a tire having a tread comprising a circumferential outer tread cap rubber layer (1) and a transition rubber layer (2) underlying the outer tread cap rubber layer (1); wherein the rubber composition of the transition rubber layer (2) comprises: (A) a blend of natural rubber…",
  "path": "/patents/1009359",
  "publishedAt": "2011-09-21T00:00:00.000Z",
  "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 tread comprising a circumferential outer tread cap rubber layer (1) and a transition rubber layer (2) underlying the outer tread cap rubber layer (1); wherein the rubber composition of the transition rubber layer (2) comprises: (A) a blend of natural rubber, cis 1,4-polybutadiene rubber and styrene/butadiene copolymer rubber; (B) of from 0 phr up to 30 phr of a reinforcing filler comprising: (1) a rubber reinforcing carbon black, or (2) silica, or (3) a combination of rubber reinforcing carbon black and silica; and wherein the transition rubber layer (2) contains a dispersion of 0.25 to 10 phr of fibrillated fiber aramid pulp.",
  "title": "Tire having tread with an internal softer transition rubber layer containing short fiber reinforcement"
}