Method for creating a hardened steel assembly
AssigneeVolvo Car Corporation
InventorRichard Johansson
Life of this patent
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Abstract
A method of creating a hardened steel assembly from at least two parts may include the consecutive steps of first joining the at least two parts in a cold formed state to form an assembly, and then hardening the joined assembly.
Claims10
A method of creating a hardened steel assembly from at least two parts made of steel, comprising the consecutive steps of first joining the at least two parts in a cold formed state to form a steel assembly, the joining comprising a welding process which includes one or more of spot welding, laser welding, or gas metal arc welding, and then hardening the steel assembly.
A method of manufacturing a vehicle safety cage comprising a hardened steel assembly, the hardened steel assembly made by the steps of:
- joining, by one of spot welding, laser welding, or gas metal arc welding, at least two parts made of steel in a cold formed state to form a steel assembly;
- and then hardening the steel assembly, to form a joined steel assembly.
Dependencies are inferred from the claim text.