公开(公告)号：US20230415822A1

公开(公告)日：2023-12-28

申请号：US18034747

申请日：2021-11-04

Applicant: ArcelorMittal

Inventor： Dan HASENPOUTH ,  Olivier MORIAU

IPC: B62D25/20 ,  B62D27/02 ,  B62D29/00 ,  B21D22/02 ,  B21D53/88

CPC classification number: B62D25/2027 ,  B62D27/02 ,  B62D29/008 ,  B21D22/022 ,  B21D53/88 ,  B60Y2304/03 ,  B60Y2304/05

Abstract: Rear underfloor structure (2) for a motor vehicle (1) including a first and a second side member (4) and at least one cross member (5) linking the first and second side members (4), wherein the rear underfloor structure (2) is made by stamping a single tailor welded blank (26) comprising at least two sub-blanks.