专利检索 ap:("POSCO Co., Ltd") AND inv:"HAN, Do-Kyeong" 第 1 页

1.

发明公开
CARBON FILAMENT WIRE FOR LASER WELDING OF STEEL SHEET HAVING ALUMINIUM-BASED COATING LAYER, LASER WELDING METHOD OF STEEL SHEET HAVING ALUMINIUM-BASED COATING LAYER USING SAME, AND WELDED PRODUCT PRODUCED BY SAME 审中-实审

公开(公告)号：EP4364883A1

公开(公告)日：2024-05-08

申请号：EP22833599.8

申请日：2022-06-28

申请人： POSCO Co., Ltd

发明人： LEE, Mok-Young , CHOI, Du-Youl , UHM, Sang-Ho , HAN, Do-Kyeong

IPC分类号： B23K35/02 , B23K26/40 , B23K35/30

CPC分类号： B23K35/30 , B23K35/02 , B23K26/40 , B23K35/0261 , B23K35/3073

摘要： One embodiment of the present invention provides a carbon filament wire for laser welding of a steel sheet having an aluminum-based coating layer, a laser welding method of a steel sheet having an aluminum-based coating layer by using same, and a welded product produced by same, the carbon filament wire comprising: a resin matrix; and two or more carbon filaments provided inside the resin matrix.