{
  "$type": "site.standard.document",
  "description": "Disclosed are a top cap welding apparatus for cylindrical battery cells, the top cap welding apparatus including a transfer unit configured to move a cylindrical battery case in which an electrode assembly having an outwardly exposed electrode tab is received, a pressing unit disposed in front of…",
  "path": "/patents/1435662",
  "publishedAt": "2026-07-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B23K26/066",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "Disclosed are a top cap welding apparatus for cylindrical battery cells, the top cap welding apparatus including a transfer unit configured to move a cylindrical battery case in which an electrode assembly having an outwardly exposed electrode tab is received, a pressing unit disposed in front of the battery case, the pressing unit being configured to press the battery case, a support unit disposed at the rear of the battery case, the support unit being configured to support the battery case, a top cap holder configured to locate a top cap at the rear of the electrode tab, a top cap support unit configured to support the rear of the top cap, and a welding unit configured to weld the electrode tab and the top cap to each other while pressing the electrode tab against the top cap at a predetermined pressure, and a top cap welding method for cylindrical battery cells using the same.",
  "title": "DEVICE FOR WELDING TOP CAP OF CYLINDRICAL BATTERY CELL, AND METHOD FOR WELDING TOP CAP OF CYLINDRICAL BATTERY CELL BY USING SAME"
}