{
  "$type": "site.standard.document",
  "description": "A tyre has a tread portion provided with a rib. The rib is provided with a lateral groove extending so as to completely cross the rib. The lateral groove includes a first curved portion and a second curved portion. The first curved portion extends from a first end in a curved shape convex in a…",
  "path": "/patents/1245434",
  "publishedAt": "2019-10-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/13",
    "Sumitomo Rubber Industries, Ltd."
  ],
  "textContent": "A tyre has a tread portion provided with a rib. The rib is provided with a lateral groove extending so as to completely cross the rib. The lateral groove includes a first curved portion and a second curved portion. The first curved portion extends from a first end in a curved shape convex in a first direction in a tyre circumferential direction. The second curved portion extends from the second end in a curved shape convex in a second direction in the tyre circumferential direction. A groove width of the first curved portion is gradually increased over the entire length thereof as it goes toward the first end, or a groove width of the second curved portion is gradually increased over the entire length thereof as it goes toward the second end.",
  "title": "TYRE"
}