Patent · US Active

Method for producing hot-formed and press-hardened automobile column

US9637174B2 · kind B2 · utility

0Cited by

1References

28Claims

0Family size

Assignee

BENTELER AUTOMOBILTECHNIK GMBH · DE

Inventors

Andreas Zimmermann · Griesheim, DE
Jan Dingemans · Paderborn, DE
Markus Pellmann · Sassenberg, DE
Johannes Böke · Blomberg, DE

Key dates

Filing date	Sep 19, 2013
Grant date	May 2, 2017
Priority date	—
Expiry date	Feb 4, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC21D2221/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A method for producing an automobile column is disclosed. The automobile column has a region of a first type and a region of a second type which have mutually different strengths. A transition region having a width of less than 50 mm is formed between the two regions. The automobile column has in the region of the first type a bainitic structure and in the region of the second type a martensitic structure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.