{
  "$type": "site.standard.document",
  "description": "A pneumatic tire is provided in the tread portion 2 with a main groove 10 and an axial groove 20. The groove-sidewall surface 16 on each side of the main groove 10 is formed by a circular-arc-like surface having a radius R1 of curvature and being convex to the groove center 10c side. The…",
  "path": "/patents/950402",
  "publishedAt": "2015-06-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0306",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "A pneumatic tire is provided in the tread portion 2 with a main groove 10 and an axial groove 20. The groove-sidewall surface 16 on each side of the main groove 10 is formed by a circular-arc-like surface having a radius R1 of curvature and being convex to the groove center 10c side. The groove-sidewall surface 26 on each side of the axial groove 20 is formed by a circular-arc-like surface having a radius R2 of curvature and being convex to the groove center 20c side. The radius R2 of curvature of the groove-sidewall surface 26 of the axial groove 20 is more than the radius R1 of curvature of the groove-sidewall surface 16 of the main groove 10.",
  "title": "Pneumatic tire"
}