{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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  "description": "A tyre tube for a roller skate wheel is filled with a non-air molecular gas, preferably one of such low permeability for diffusion that the gas is retained in the tube for at least approximately five years. A number of suitable gases are disclosed.",
  "path": "/patents/1093698",
  "publishedAt": "2003-09-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "A63C17/22",
    "HUANG ING CHUNG [TW]"
  ],
  "textContent": "A tyre tube for a roller skate wheel is filled with a non-air molecular gas, preferably one of such low permeability for diffusion that the gas is retained in the tube for at least approximately five years. A number of suitable gases are disclosed.",
  "title": "Roller skate tyre tube"
}