{
  "$type": "site.standard.document",
  "description": "Puncture sealing performance is allowed to be sufficiently exhibited even for a large puncture hole. A puncture-preventive sealant layer 11 is provided on an inner peripheral surface 2s of a tread portion 2, and a sound damper 12 is provided on an inner peripheral surface 11s of the sealant layer…",
  "path": "/patents/1415915",
  "publishedAt": "2025-02-12T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/00",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "Puncture sealing performance is allowed to be sufficiently exhibited even for a large puncture hole. A puncture-preventive sealant layer 11 is provided on an inner peripheral surface 2s of a tread portion 2, and a sound damper 12 is provided on an inner peripheral surface 11s of the sealant layer 11. The sound damper 12 includes a sponge material having closed cell foam, and has an air permeability of not higher than 20 mL/cm2/s.",
  "title": "PNEUMATIC TIRE"
}