{
  "$type": "site.standard.document",
  "description": "A pneumatic tire comprises, on a tread surface, a circumferential groove (1a-1d) which extends in a tire circumferential direction, a land portion (2-4) which is zoned by the circumferential groove, and a plurality of lug grooves (6) in which one end is open to a side of the circumferential groove…",
  "path": "/patents/1001212",
  "publishedAt": "2012-06-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0306",
    "TOYO TIRE & RUBBER CO [JP]"
  ],
  "textContent": "A pneumatic tire comprises, on a tread surface, a circumferential groove (1a-1d) which extends in a tire circumferential direction, a land portion (2-4) which is zoned by the circumferential groove, and a plurality of lug grooves (6) in which one end is open to a side of the circumferential groove (1a,1d) and another end is terminated within the land portion (3), wherein the land portion (3) has a rib-like portion (31) which is successive in a tire circumferential direction and a wing portion (32) which is zoned by the lug grooves, and wherein a plurality of small holes (7) are formed on a surface of the land portion (3) along a line (61) connecting trailing end portions (6a) of the lug grooves adjacent to each other.",
  "title": "Pneumatic tire"
}