{
  "$type": "site.standard.document",
  "description": "Provided is a pneumatic tire for a motorcycle that suppresses the occurrence of a crack at a groove bottom in a shoulder region while achieving a good balance between straight-running stability, abrasion resistance, grip performance during cornering, and cornering stability. The pneumatic tire for…",
  "path": "/patents/980505",
  "publishedAt": "2013-12-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/005",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "Provided is a pneumatic tire for a motorcycle that suppresses the occurrence of a crack at a groove bottom in a shoulder region while achieving a good balance between straight-running stability, abrasion resistance, grip performance during cornering, and cornering stability. The pneumatic tire for a motorcycle is provided with a ring-shaped tread section 13. The tread section 13 includes a base rubber layer 4 and a cap rubber layer 5 that is arranged on both ends in a tire widthwise direction, and has a structure in which the base rubber layer 4 and the cap rubber layer 5 are laminated in order. A rubber of the cap rubber layer 5 has a lower hardness than a rubber of the base rubber layer 4, and a thickness \"d\" of the cap rubber layer 5 at a groove bottom in the shoulder region is not less than 1.0 mm.",
  "title": "PNEUMATIC TIRE FOR MOTORCYCLE"
}