{
  "$type": "site.standard.document",
  "description": "Provided is a pneumatic tire which is improved in a rolling resistance and a ride comfort in normal running without damaging a run flat durability. It is a pneumatic tire provided with a bead core, a carcass layer, a tread rubber layer, an inner liner, a side reinforcing layer and a bead filler…",
  "path": "/patents/1008569",
  "publishedAt": "2011-10-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "Provided is a pneumatic tire which is improved in a rolling resistance and a ride comfort in normal running without damaging a run flat durability. It is a pneumatic tire provided with a bead core, a carcass layer, a tread rubber layer, an inner liner, a side reinforcing layer and a bead filler, characterized by using a rubber composition (a) which contains (A) a rubber component and (B) a filler and which has a dynamic storage modulus (E') of 10 MPa or less at a dynamic strain of 1 % and 25°C and a value of 5.0 or less in a loss tangent tan ´ at 28 to 150°C in the physical properties of the vulcanized rubber.",
  "title": "PNEUMATIC TIRE"
}