{
  "$type": "site.standard.document",
  "description": "In a pneumatic tire, a center land portion includes center lug grooves and center blocks. The center lug grooves penetrate the center land portion. The center blocks are defined by the center lug grooves. A middle land portion includes middle lug grooves, middle blocks, a notch portion, and a…",
  "path": "/patents/1298195",
  "publishedAt": "2021-08-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0309",
    "The Yokohama Rubber Co., LTD."
  ],
  "textContent": "In a pneumatic tire, a center land portion includes center lug grooves and center blocks. The center lug grooves penetrate the center land portion. The center blocks are defined by the center lug grooves. A middle land portion includes middle lug grooves, middle blocks, a notch portion, and a middle sipe. The middle lug grooves penetrate the middle land portion. The middle blocks are defined by the middle lug grooves. The notch portion is an edge portion on the center main groove side of each of the middle blocks and formed on an extension line of each of the center lug grooves. The middle sipe extends from the notch portion and opens to an edge portion on the shoulder main groove side of each of the middle blocks.",
  "title": "PNEUMATIC TIRE"
}