US 11,945,040 B2
Electric resistance welder and method manufacturing battery using the same
Jaewoong Jung, Daejeon (KR); Yeo Min Yoon, Daejeon (KR); and Kyungwook Cho, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 16/981,568
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Oct. 30, 2019, PCT No. PCT/KR2019/014480
§ 371(c)(1), (2) Date Sep. 16, 2020,
PCT Pub. No. WO2020/111533, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 10-2018-0148841 (KR), filed on Nov. 27, 2018.
Prior Publication US 2021/0299779 A1, Sep. 30, 2021
Int. Cl. B23K 11/30 (2006.01); B23K 11/00 (2006.01); B23K 11/11 (2006.01); B23K 11/36 (2006.01); B23K 101/36 (2006.01); H01M 10/04 (2006.01); H01M 50/10 (2021.01); H01M 50/107 (2021.01); H01M 50/531 (2021.01)
CPC B23K 11/3018 (2013.01) [B23K 11/002 (2013.01); B23K 11/115 (2013.01); B23K 11/36 (2013.01); H01M 10/0422 (2013.01); H01M 10/0431 (2013.01); H01M 50/10 (2021.01); H01M 50/107 (2021.01); H01M 50/531 (2021.01); B23K 2101/36 (2018.08)] 10 Claims
OG exemplary drawing
 
1. An electric resistance welder comprising:
a compressor;
a welding holder; and
a welding rod having a plurality of air outlets,
wherein air compressed by the compressor is introduced into the welding rod through the welding holder and is then discharged through the plurality of air outlets in the welding rod.