{
  "$type": "site.standard.document",
  "description": "A tyre noise reducing system comprises a wheel rim (3a), a pneumatic tyre (2) to be mounted on the wheel rim and a noise damper (5/6) to be disposed in an annular tyre cavity enclosed by the wheel rim and the pneumatic tyre mounted thereon, wherein the noise damper is made of a multi-cellular…",
  "path": "/patents/1106266",
  "publishedAt": "2002-03-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60B21/12",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "A tyre noise reducing system comprises a wheel rim (3a), a pneumatic tyre (2) to be mounted on the wheel rim and a noise damper (5/6) to be disposed in an annular tyre cavity enclosed by the wheel rim and the pneumatic tyre mounted thereon, wherein the noise damper is made of a multi-cellular material whose volume S2 is in a range of not less than 0.4 % of the volume S1 of said annular tyre cavity. Preferably, the specific gravity of the damper is set in a range of from 0.005 to 0.06.",
  "title": "Tyre noise reducing system"
}