{
  "$type": "site.standard.document",
  "description": "An objective of the present disclosure is to provide a method of manufacturing a sound absorbing board using a honeycomb and a sound absorbing board using a honeycomb manufactured using the same, in which when a sound absorbing board, which is manufactured by laminating glass fiber mats on both…",
  "path": "/patents/1417797",
  "publishedAt": "2025-06-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B32B17/02",
    "DAESOL AUSYS CO LTD [KR]"
  ],
  "textContent": "An objective of the present disclosure is to provide a method of manufacturing a sound absorbing board using a honeycomb and a sound absorbing board using a honeycomb manufactured using the same, in which when a sound absorbing board, which is manufactured by laminating glass fiber mats on both sides of a honeycomb structure that is light and has structural rigidity and foaming polyurethane sheets, is designed, a sound absorption coefficient is calculated using the diameter, the number, and the porosity of perforations, and the perforations having a diameter at which a sound absorption effect is obtained in a predetermined frequency band are formed in the polyurethane sheets, so that sound absorption performance in the predetermined frequency band can be further improved, and the weight may be reduced by making the thickness of the sound absorbing board small.",
  "title": "METHOD OF MANUFACTURING SOUND ABSORBING BOARD USING HONEYCOMB AND SOUND ABSORBING BOARD USING HONEYCOMB MANUFACTURED USING THE SAME"
}