{
  "$type": "site.standard.document",
  "description": "A tire includes a tread portion having a ground contacting surface (2s) and a first groove (10). A tread rubber forming the tread portion includes a first rubber layer (6) and a second rubber layer (7). The second rubber layer (7) has a complex elastic modulus smaller than a complex elastic modulus…",
  "path": "/patents/1395288",
  "publishedAt": "2024-05-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0008",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "A tire includes a tread portion having a ground contacting surface (2s) and a first groove (10). A tread rubber forming the tread portion includes a first rubber layer (6) and a second rubber layer (7). The second rubber layer (7) has a complex elastic modulus smaller than a complex elastic modulus of the first rubber layer (6). The first groove (10) includes a first groove edge, (11) a groove bottom surface (12), and a first groove wall (13). In a lateral cross section of the first groove (10), the first groove wall (13) includes a first wide top portion (15) arranged between the first groove edge (11) and the groove bottom surface (12) and located outside the first groove edge (11) in a groove width direction of the first groove (10). The first wide top portion (15) is positioned in the second rubber layer (7).",
  "title": "TIRE"
}