Ultrasonic Welding Device And Welded Structure

Abstract: An ultrasonic welding device, according to one embodiment of the present invention, comprises a horn for pressing a first member to ultrasonically weld the first member to a second member, wherein the horn comprises a knurled part having a plurality of protrusions protruding toward the first member to create a concavo-convex shape on the first member, and the protrusions located in the outermost area of the knurled part and the protrusions located in the inner area thereof have different shapes.

Patent Information

Application #

Filing Date

15 July 2025

Publication Number

30/2025

Publication Type

INA

Invention Field

MECHANICAL ENGINEERING

Status

Email

Parent Application

Applicants

LG ENERGY SOLUTION, LTD.

Tower1, 108, Yeoui-daero, Yeongdeungpo-Gu, Seoul 07335

Inventors

1. LEE, Chang-Je

LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

2. SHIN, Seung-Min

LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

3. KIM, Min-Woo

LG Energy Solution Research Park, 188, Munji-ro, Yuseong-gu, Daejeon 34122

Specification

Documents

Application Documents

#	Name	Date
1	202517067372-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [15-07-2025(online)].pdf	2025-07-15
2	202517067372-STATEMENT OF UNDERTAKING (FORM 3) [15-07-2025(online)].pdf	2025-07-15
3	202517067372-REQUEST FOR EXAMINATION (FORM-18) [15-07-2025(online)].pdf	2025-07-15
4	202517067372-PROOF OF RIGHT [15-07-2025(online)].pdf	2025-07-15
5	202517067372-PRIORITY DOCUMENTS [15-07-2025(online)].pdf	2025-07-15
6	202517067372-POWER OF AUTHORITY [15-07-2025(online)].pdf	2025-07-15
7	202517067372-FORM 18 [15-07-2025(online)].pdf	2025-07-15
8	202517067372-FORM 1 [15-07-2025(online)].pdf	2025-07-15
9	202517067372-DRAWINGS [15-07-2025(online)].pdf	2025-07-15
10	202517067372-DECLARATION OF INVENTORSHIP (FORM 5) [15-07-2025(online)].pdf	2025-07-15
11	202517067372-COMPLETE SPECIFICATION [15-07-2025(online)].pdf	2025-07-15