{
  "$type": "site.standard.document",
  "description": "The present invention relates to a jig for welding that is capable of preventing spatter, which is foreign matter caused by welding, from being introduced into a secondary battery during welding between a collector plate connected to an electrode assembly in a secondary battery can body and a…",
  "path": "/patents/1391907",
  "publishedAt": "2026-02-04T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B23K26/14",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "The present invention relates to a jig for welding that is capable of preventing spatter, which is foreign matter caused by welding, from being introduced into a secondary battery during welding between a collector plate connected to an electrode assembly in a secondary battery can body and a beading part that is a portion recessed inward from the can body, and is capable of improving quality of the welding by increasing a welding force between the collector plate and the beading part, which are objects to be welded, to increase a degree of completion of the welding.The jig for welding according to the present invention relates to a jig for welding, which is used in a welding process during manufacturing of a secondary battery, and includes a body part, and a protrusion that extends downward from a bottom surface of the body part, has a size corresponding to a top opening of the secondary battery, and is inserted into the top opening of the secondary battery in the welding process, wherein a welding hole through which laser that performs the welding passes is defined in each of a circumferential portion of the protrusion and a region of the body part, which corresponds to a circumferential portion of the protrusion, wherein the protrusion includes a pressing portion that is provided in a peripheral part of the welding hole and presses an object to be welded in the secondary battery.",
  "title": "WELDING JIG"
}