{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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    "mimeType": "image/png",
    "size": 120282
  },
  "description": "The present invention relates to a welding apparatus and a welding method for manufacturing a secondary battery, which are capable of preventing deformation of a product due to a pressure applied in all directions or non-uniform welding due to non-uniform pressing to a cover during a process of…",
  "path": "/patents/1400681",
  "publishedAt": "2026-04-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B23K26/1224",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "The present invention relates to a welding apparatus and a welding method for manufacturing a secondary battery, which are capable of preventing deformation of a product due to a pressure applied in all directions or non-uniform welding due to non-uniform pressing to a cover during a process of sealing and fixing the cover to an opening of a main body casing at the time of manufacturing a secondary battery.",
  "title": "WELDING APPARATUS FOR MANUFACTURING SECONDARY BATTERY, AND WELDING METHOD USING SAME"
}