{
  "$type": "site.standard.document",
  "description": "A relief valve includes: a base part including a valve hole and a valve seat seal member; a valve body configured to reciprocate and including, in an outer edge, an annular contact portion to move toward and away from the valve seat seal member; and an annular protrusion provided in the base part…",
  "path": "/patents/1381163",
  "publishedAt": "2026-04-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M50/325",
    "PACIFIC INDUSTRIAL CO., LTD."
  ],
  "textContent": "A relief valve includes: a base part including a valve hole and a valve seat seal member; a valve body configured to reciprocate and including, in an outer edge, an annular contact portion to move toward and away from the valve seat seal member; and an annular protrusion provided in the base part, the valve seat seal member being fitted to an outer side of the annular protrusion, and an inner side of the annular protrusion being the valve hole, wherein the valve seat seal member includes a flat surface facing the valve body in a moving direction of the valve body, and a distal end surface of the annular protrusion facing the valve body in the moving direction of the valve body is positioned flush with the flat surface of the valve seat seal member or ahead of the flat surface in a protruding direction of the annular protrusion.",
  "title": "RELIEF VALVE"
}