{
  "$type": "site.standard.document",
  "description": "It is an object of the present invention to provide a tire with improved ride comfort during high-speed running. Provided is a tire comprising a tread part, wherein the tread part comprises a first layer constituting a tread surface, and a second layer adjacent to an inner side of the first layer…",
  "path": "/patents/1392240",
  "publishedAt": "2025-08-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "It is an object of the present invention to provide a tire with improved ride comfort during high-speed running. Provided is a tire comprising a tread part, wherein the tread part comprises a first layer constituting a tread surface, and a second layer adjacent to an inner side of the first layer in a tire radial direction, wherein each of the first layer and the second layer is composed of a rubber composition comprising a rubber component and a recovered carbon black, and wherein B/C is greater than 1.0, where a content of the recovered carbon black based on 100 parts by mass of a rubber component of a rubber composition constituting the first layer is referred to as C, in parts by mass, and a content of the recovered carbon black based on 100 parts by mass of a rubber component of a rubber composition constituting the second layer is referred to as B, in parts by mass.",
  "title": "TIRE"
}