{
  "$type": "site.standard.document",
  "description": "Provided is a tire having a tread portion 2. The tread portion 2 includes a pair of shoulder circumferential grooves 3A, a pair of crown circumferential grooves 3B, and a pair of middle land portions 4A. Each middle land portion 4A includes a plurality of middle sipes 15. Each middle sipe 15 has a…",
  "path": "/patents/1403707",
  "publishedAt": "2024-07-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0302",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "Provided is a tire having a tread portion 2. The tread portion 2 includes a pair of shoulder circumferential grooves 3A, a pair of crown circumferential grooves 3B, and a pair of middle land portions 4A. Each middle land portion 4A includes a plurality of middle sipes 15. Each middle sipe 15 has a chamfered portion 20 at at least one of sipe edges on both sides. The chamfered portion 20 extends from the crown circumferential groove 3B to the shoulder circumferential groove 3A. A first chamfered width W3 of the chamfered portion 20 at the end on the crown circumferential groove 3B side is greater than a second chamfered width W4 of the chamfered portion 20 at the end on the shoulder circumferential groove 3A side.",
  "title": "TIRE"
}