{
  "$type": "site.standard.document",
  "description": "Provided is a pneumatic tire excellent in durability. The present invention relates to a pneumatic tire including a breaker cushion and a breaker adjacent to the breaker cushion, wherein the breaker cushion is formed from a rubber composition for a breaker cushion, which contains a specific amount…",
  "path": "/patents/972673",
  "publishedAt": "2014-07-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/0016",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "Provided is a pneumatic tire excellent in durability. The present invention relates to a pneumatic tire including a breaker cushion and a breaker adjacent to the breaker cushion, wherein the breaker cushion is formed from a rubber composition for a breaker cushion, which contains a specific amount of an isoprene-based rubber and has a specific net sulfur content derived from crosslinking agents; and the breaker includes breaker cords topped with a rubber composition for a breaker cord topping, wherein a rubber vulcanizate obtained by vulcanizing the rubber composition for a breaker cushion alone at 170°C for 12 minutes, has an elongation at break of a specific value or more; and the net sulfur content derived from crosslinking agents in the rubber composition for a breaker cushion and the net sulfur content derived from crosslinking agents in the rubber composition for a breaker cord topping satisfy a specific relation.",
  "title": "Pneumatic tire"
}