{
"$type": "site.standard.document",
"description": "A pneumatic radial tire for passenger car capable of effectively lowering road noise by specifying the material characteristics and structure of a belt cover layer formed of aromatic polyamide fiber cords, wherein the belt cover layer formed of the aromatic polyamide fiber cords is wound on theā¦",
"path": "/patents/1072731",
"publishedAt": "2005-11-09T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"B60C9/22",
"YOKOHAMA RUBBER CO LTD [JP]"
],
"textContent": "A pneumatic radial tire for passenger car capable of effectively lowering road noise by specifying the material characteristics and structure of a belt cover layer formed of aromatic polyamide fiber cords, wherein the belt cover layer formed of the aromatic polyamide fiber cords is wound on the outer peripheral side of a belt layer and the aromatic polyamide fiber cords are disposed around the tire at an angle of substantially 0 DEG relative to the circumferential direction of the tire, characterized in that the intermediate elongation of the aromatic polyamide fiber cords at a load of 67N is 2.0 to 2.7% and the placing density of the aromatic polyamide fiber cords in the belt cover layer is 36 to 54 pieces/50 mm.",
"title": "PNEUMATIC RADIAL TIRE FOR CAR"
}