{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreic4i63ofuuja4zv3f5davs3vniyxs6uosj3xep37bwew5ary32o44"
    },
    "mimeType": "image/png",
    "size": 94641
  },
  "description": "A valve device includes: a poppet 84 that is formed in a hollow shaft shape except for a leading end, has a tapered closure part 91 at the leading end and a side hole 95 passing through a wall of the hollow shaft-shaped part, and rotates around the shaft center thereof during opening and closing…",
  "path": "/patents/935331",
  "publishedAt": "2016-11-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F16K1/385",
    "JTEKT CORP [JP]"
  ],
  "textContent": "A valve device includes: a poppet 84 that is formed in a hollow shaft shape except for a leading end, has a tapered closure part 91 at the leading end and a side hole 95 passing through a wall of the hollow shaft-shaped part, and rotates around the shaft center thereof during opening and closing actions; and a valve seat having a sloped seat surface with which the closure part 91 of the poppet 84 comes into contact when closing the valve device. The closure part 91 of the poppet 84 or the seat surface of the valve seat, whichever has a higher hardness, has a cut mark of the opposite direction from a direction of rotation of the poppet 84 around the shaft center that occurs during the valve closing action.",
  "title": "METHOD OF MANUFACTURING A VALVE DEVICE AND A POPPET"
}