{
  "$type": "site.standard.document",
  "description": "Pneumatic tyre (1) with an annular tread (7) having a plurality of tread portions (18, 21) which define an upper surface (13) for sliding over the road surface and are delimited by a plurality of grooves (15); and a number of sipes (20) defined by slots formed within the tread portions (18, 21)…",
  "path": "/patents/1421458",
  "publishedAt": "2026-01-07T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0306",
    "BRIDGESTONE EUROPE NV SA [BE]"
  ],
  "textContent": "Pneumatic tyre (1) with an annular tread (7) having a plurality of tread portions (18, 21) which define an upper surface (13) for sliding over the road surface and are delimited by a plurality of grooves (15); and a number of sipes (20) defined by slots formed within the tread portions (18, 21); and provided with a first surface (22, 25) having at least a first curved section (22B, 25B) with a maximum point (P, R) and a second surface (23, 26) having at least a second curved section (23B, 26B), facing the first section (22B, 25B) and having a minimum point (P* R*); wherein the distance (ΔP) along the radial direction between the minimum point (P* R*) and the maximum point (P, R) is non-zero.",
  "title": "PNEUMATIC TYRE"
}