{
  "$type": "site.standard.document",
  "description": "In an ignition plug (10), the volume V1 of a portion of an insulator (200), which projects from a metallic shell (300) to a front side (-Z), is equal to or greater than 45 mm 3 ; and an expression 0.18 ¤ V2/V1 ¤ 0.37 is satisfied, where H is a length along which the insulator (200) projects from…",
  "path": "/patents/933277",
  "publishedAt": "2016-12-21T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02P23/04",
    "NGK SPARK PLUG CO [JP]"
  ],
  "textContent": "In an ignition plug (10), the volume V1 of a portion of an insulator (200), which projects from a metallic shell (300) to a front side (-Z), is equal to or greater than 45 mm 3 ; and an expression 0.18 ¤ V2/V1 ¤ 0.37 is satisfied, where H is a length along which the insulator (200) projects from the metallic shell (300) to the front side in an axial direction (Z), and V2 is a volume of a portion of the insulator (200), which projects from a front end of the insulator (200) along a length H/2 in the axial direction (Z).",
  "title": "IGNITION PLUG AND IGNITION DEVICE"
}