{
  "$type": "site.standard.document",
  "description": "Provided is a pneumatic safety tire in which the durability is improved by improving the compression fatigue property of a carcass ply cord. The pneumatic safety tire includes, as a skeleton, a carcass 2, and a side reinforcing rubber 4 on a tire width direction inner side thereof in a side wall…",
  "path": "/patents/948332",
  "publishedAt": "2015-11-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/0041",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "Provided is a pneumatic safety tire in which the durability is improved by improving the compression fatigue property of a carcass ply cord. The pneumatic safety tire includes, as a skeleton, a carcass 2, and a side reinforcing rubber 4 on a tire width direction inner side thereof in a side wall portion 12. In a cross section in a tire width direction, provided that the area of the side reinforcing rubber is S1, the area of the bead filler 5 is S2, and the area of a rubber chafer 6 arranged on a tire width direction outer side of the bead filler and the bead core is S3, the following expressions (1) and (2) are satisfied: 0.10 ¤ S ¢ 2 + S ¢ 3 / S ¢ 1 ¤ 2.50 0 ¤ S ¢ 2 / S ¢ 2 + S ¢ 3 ¤ 0.9 and a reinforcing cord of a carcass ply is composed of a polyester fiber and/or an aramid fiber, and coated with an adhesive agent composition in whieh, on the basis of 100 parts by mass of solid content of a latex, 35 to 100 parts by mass of solid content of a thermosetting resin including a blocked isocyanate is formulated.",
  "title": "PNEUMATIC SAFETY TIRE"
}