US 12,434,324 B2
Ultrasonic welding device
Jun Tak Kim, Daejeon (KR); Jinseo Park, Daejeon (KR); and Kwang Cheol Park, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 18/279,168
Filed by LG Energy Solution, LTD., Seoul (KR)
PCT Filed Nov. 18, 2022, PCT No. PCT/KR2022/018324
§ 371(c)(1), (2) Date Aug. 28, 2023,
PCT Pub. No. WO2023/090943, PCT Pub. Date May 25, 2023.
Claims priority of application No. 10-2021-0160480 (KR), filed on Nov. 19, 2021.
Prior Publication US 2024/0139858 A1, May 2, 2024
Int. Cl. B23K 20/10 (2006.01); B23K 20/26 (2006.01); H01M 10/04 (2006.01); H01M 50/566 (2021.01); B23K 101/38 (2006.01)
CPC B23K 20/106 (2013.01) [B23K 20/26 (2013.01); H01M 10/0409 (2013.01); H01M 50/566 (2021.01); B23K 2101/38 (2018.08)] 13 Claims
OG exemplary drawing
 
1. An ultrasonic welding apparatus comprising:
a housing;
a horn coupled to the housing and configured to transmit an ultrasonic wave in a first direction;
a tip coupled to the horn and configured to apply the ultrasonic wave transmitted from the horn to an object to be welded, and to apply the ultrasonic wave at an angle in a range of 80° to 100° with respect to the first direction;
an anvil configured to support the object to be welded; and
a horn deflection-prevention fixing pin extending from the horn to the housing,
wherein the tip is configured to be driven by linear vibration with respect to the object to be welded.