{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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    "mimeType": "image/png",
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  "description": "In a gas internal combustion type nailing machine, a tubular-shaped sleeve 33 is fixed between a movable housing 31 and a fan 7. Between the movable housing 31 and sleeve 33, an annular space portion S is formed. In such portions of the sleeve 33 as existing respectively upwardly and downwardly of…",
  "path": "/patents/1007061",
  "publishedAt": "2011-12-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B25C1/08",
    "MAX CO LTD [JP]"
  ],
  "textContent": "In a gas internal combustion type nailing machine, a tubular-shaped sleeve 33 is fixed between a movable housing 31 and a fan 7. Between the movable housing 31 and sleeve 33, an annular space portion S is formed. In such portions of the sleeve 33 as existing respectively upwardly and downwardly of the fan 7, there are formed communication holes 33a and 33b in communication with the annular space portion S. Mixed gas blown out by the fan 7 flows through the lower communication hole 33b and returns from the annular space portion S to the combustion chamber 3 through the upper communication hole 33a.",
  "title": "Gas internal combustion type nailing machine"
}