Lg energy solution, ltd. (20240424619). Jig for Welding
Jig for Welding
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Inventor(s)
Jig for Welding
This abstract first appeared for US patent application 20240424619 titled 'Jig for Welding
Original Abstract Submitted
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 from a surface of the body part, has a size corresponding to an opening of the secondary battery, and is inserted into the opening of the secondary battery in the welding process, wherein a welding hole through which a laser is configured to pass 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.