{
  "$type": "site.standard.document",
  "description": "A pneumatic tire in which occurrence of uneven wear observed in a conventional lug-type tread pattern can be prevented without causing degradation in the various characteristics of the tire, the pneumatic tire having a tread pattern in which lug grooves (2) are disposed in the opposing tread…",
  "path": "/patents/1111128",
  "publishedAt": "2001-08-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/01",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "A pneumatic tire in which occurrence of uneven wear observed in a conventional lug-type tread pattern can be prevented without causing degradation in the various characteristics of the tire, the pneumatic tire having a tread pattern in which lug grooves (2) are disposed in the opposing tread shoulder regions at a predetermined pitch in the circumferential direction of the tire, the main lug grooves being so arranged as to provide circumferential phase difference between the opposing tread shoulder regions, wherein a narrow shallow groove (3) is disposed in the central region (S) of the tread portion (1) in the tread width direction for connecting the main lug grooves (2) located in the opposing tread shoulder regions, and a shallow groove portion (4) is formed in the shoulder end region inside the main lug groove.",
  "title": "Pneumatic tire"
}