{
  "$type": "site.standard.document",
  "description": "To achieve reduced road noise and improved steering stability, an embodiment of the present invention provides a pneumatic tire in which a carcass ply has a thickness of from 0.50 mm to 2.00 mm, a carcass coating rubber contains: natural rubber and a styrene-butadiene copolymer rubber as diene…",
  "path": "/patents/1411579",
  "publishedAt": "2026-02-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "YOKOHAMA RUBBER CO LTD [JP]"
  ],
  "textContent": "To achieve reduced road noise and improved steering stability, an embodiment of the present invention provides a pneumatic tire in which a carcass ply has a thickness of from 0.50 mm to 2.00 mm, a carcass coating rubber contains: natural rubber and a styrene-butadiene copolymer rubber as diene rubbers; and carbon black having N2SA of from 35 to 140 m2/g, a hardness (Hs cap) of a cap tread rubber and a storage modulus (E'carcass) of the carcass coating rubber satisfy 5 ≤ (Hs cap)/(E'carcass) ≤ 15.",
  "title": "PNEUMATIC TIRE"
}