{
  "$type": "site.standard.document",
  "description": "The grid (2) has an uneven active surface (4) comprising wire-like perforations (8) and unperforated surfaces (14) formed adjacent to the active surface and folded to form multi-layered webs (12) over the width of the grid, where the webs are arranged at a distance from each other. The layers of…",
  "path": "/patents/1001149",
  "publishedAt": "2012-06-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60H1/26",
    "GRAEPEL FA FRIEDR [DE]"
  ],
  "textContent": "The grid (2) has an uneven active surface (4) comprising wire-like perforations (8) and unperforated surfaces (14) formed adjacent to the active surface and folded to form multi-layered webs (12) over the width of the grid, where the webs are arranged at a distance from each other. The layers of the webs are directly and/or indirectly connected with each other by form-fit connection and/or welding process. A stiffening element (16) is inserted in one or multiple webs, where the grid is made of an integral metal sheet (18).",
  "title": "Perforated plate grid"
}