{
  "$type": "site.standard.document",
  "description": "A tire including, in a tread surface (), a plurality of shoulder main grooves extending in a tire circumferential direction, a plurality of lug grooves () extending in a direction intersecting the shoulder main groove, and a plurality of blocks B defined by the shoulder main grooves and the lug…",
  "path": "/patents/1348336",
  "publishedAt": "2023-08-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0304",
    "The Yokohama Rubber Co., LTD."
  ],
  "textContent": "A tire including, in a tread surface (), a plurality of shoulder main grooves extending in a tire circumferential direction, a plurality of lug grooves () extending in a direction intersecting the shoulder main groove, and a plurality of blocks B defined by the shoulder main grooves and the lug grooves (). The tread surface () of the block B includes circumferential narrow grooves () each extending in the tire circumferential direction and a plurality of sipes that are provided on both sides of the circumferential narrow grooves in a tire width direction so as to be separated from the circumferential narrow grooves () and are disposed side by side in the tire circumferential direction and extend in the tire width direction. The circumferential narrow groove () includes a shallow bottom portion () and a deep bottom portion () having different depths from the tread surface (). The deep bottom portion () has a depth from the tread surface () deeper than a depth of the shallow bottom portion () and is provided in a central portion of the block B in the tire circumferential direction.",
  "title": "TIRE"
}