{
  "$type": "site.standard.document",
  "description": "An embodiment of the present invention provides a low noise tire that reduces noise caused by air column resonance occurring in a main groove and has a fluid flow path to prevent a surface layer from being roughened during a mold casting process. A low noise tire according to an embodiment of the…",
  "path": "/patents/1386637",
  "publishedAt": "2026-04-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/1307",
    "HANKOOK TIRE & TECH CO LTD [KR]"
  ],
  "textContent": "An embodiment of the present invention provides a low noise tire that reduces noise caused by air column resonance occurring in a main groove and has a fluid flow path to prevent a surface layer from being roughened during a mold casting process. A low noise tire according to an embodiment of the present invention includes a plurality of blocks formed on a tread, a groove formed between the blocks and extending in a circumferential direction of a tire, protrusion portions including a plurality of protrusion bodies protruding from a bottom surface and a wall surface of the groove and extending along the groove, and fluid flow paths formed along the wall surface of the groove and configured to divide the protrusion portions while traversing the protrusion portions so that a fluid positioned between the protrusion portions moves.",
  "title": "LOW NOISE TIRE"
}