{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "This pneumatic tire includes, on a tread surface (1), land portions (3) defined by tread edges and by circumferential main grooves (2) extending continuously in the tread circumferential direction; central sipes (52), in a central land portion (33) on a tire equatorial plane (CL), extending in the…",
  "path": "/patents/924427",
  "publishedAt": "2017-07-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/01",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "This pneumatic tire includes, on a tread surface (1), land portions (3) defined by tread edges and by circumferential main grooves (2) extending continuously in the tread circumferential direction; central sipes (52), in a central land portion (33) on a tire equatorial plane (CL), extending in the tread width direction and formed at a predetermined pitch length, the central land portion (33) being continuous in the tread circumferential direction between adjacent central sipes (52); and intermediate sipes (51), in intermediate land portions (32) adjacent to the central land portion (33) on both sides in the tread width direction with the circumferential main grooves (2) therebetween, extending in the tread width direction and being formed at a predetermined pitch length, each intermediate land portion (32) being continuous in the tread circumferential direction between adjacent intermediate sipes (51). The pitch length of the intermediate sipes (51) is longer than that of the central sipes (52), and both ends of the central sipes (52) open into the circumferential main grooves (2).",
  "title": "PNEUMATIC TIRE"
}