Rear underlying structure for motor vehicle

By designing a rear bottom structure for motor vehicles and using a process of stamping a single welded blank, the need to improve vehicle safety and reduce weight is solved, and efficient, safe and economical production results are achieved.

CN119840736APending Publication Date: 2025-04-18ARCELORMITTAL SA
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Patent Information

Application Number
CN202510074437.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2020-11-06
Filing Date
2021-11-04
Publication Date
2025-04-18

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Abstract

A rear underlying structure (2) for a motor vehicle (1) comprises first and second side members (4) and at least one cross member (5) joining the first and second side members (4), where the rear underlying structure (2) is made by stamping a single tailor-welded blank (26) comprising at least two sub-blanks.
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