{
  "$type": "site.standard.document",
  "description": "A first belt cord made of organic fibers of a spirally wound belt layer extends at an angle of equal to or less than 5° relative to a tire equatorial plane, a second belt cord made of organic fibers of a zigzag belt layer extends at an inclination of an angle of 2° to 45° relative to the tire…",
  "path": "/patents/1311784",
  "publishedAt": "2022-03-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C9/263",
    "BRIDGESTONE CORPORATION"
  ],
  "textContent": "A first belt cord made of organic fibers of a spirally wound belt layer extends at an angle of equal to or less than 5° relative to a tire equatorial plane, a second belt cord made of organic fibers of a zigzag belt layer extends at an inclination of an angle of 2° to 45° relative to the tire equatorial plane, to folding back points where the second belt cord is folded back at each width directional end edge of the zigzag belt layer, and a relation of N>Nis satisfied. Nis the number of stacked belt layers of the spirally wound belt layers, at 50% of half the length of a maximum belt width of belt layers from the tire equatorial plane. Nis the number of stacked belt layers of the spirally wound belt layers, at 95% of half the length of the maximum belt.",
  "title": "AIRCRAFT PNEUMATIC TIRE"
}