{
  "$type": "site.standard.document",
  "description": "The present invention relates to a centering mandrel (50) for fastening to a first tower segment (16) of a concrete tower of a wind energy installation, and for guiding a second tower segment of the concrete tower when lowering the second tower segment onto the first tower segment. The centering…",
  "path": "/patents/967409",
  "publishedAt": "2014-11-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B66B17/10",
    "WOBBEN PROPERTIES GMBH [DE]"
  ],
  "textContent": "The present invention relates to a centering mandrel (50) for fastening to a first tower segment (16) of a concrete tower of a wind energy installation, and for guiding a second tower segment of the concrete tower when lowering the second tower segment onto the first tower segment. The centering mandrel comprises a fastening section (54) for fastening to the first tower segment and a guiding section (56) for guiding the second tower segment. Furthermore, the present invention relates to methods for erecting a tower of a wind energy installation.",
  "title": "Method for constructing a tower of a wind energy generator"
}