{
  "$type": "site.standard.document",
  "description": "Provided is a tire that can exhibit excellent performance on ice and snow while maintaining steering stability on a dry road surface. The tire has a tread portion 2. The tread portion 2 includes: first and second tread ends T1 and T2; a plurality of circumferential grooves 3; and a plurality of…",
  "path": "/patents/1391530",
  "publishedAt": "2025-12-31T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0306",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "Provided is a tire that can exhibit excellent performance on ice and snow while maintaining steering stability on a dry road surface. The tire has a tread portion 2. The tread portion 2 includes: first and second tread ends T1 and T2; a plurality of circumferential grooves 3; and a plurality of land portions 4. A first shoulder land portion 11 is provided with a plurality of shoulder sipes 30 each having a length that is not less than 60% of a width in a tire axial direction of the first shoulder land portion 11. A first middle land portion 13 is provided with a plurality of middle sipe groups 38 arranged in a tire circumferential direction. Each of the middle sipe groups 38 is formed such that a plurality of closed sipes 39 thereof overlap with each other in both the tire axial direction and the tire circumferential direction.",
  "title": "TIRE"
}