Patent · US Active

Method and tool for hardening a hollow profile of a steel workpiece

US10017833B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignees

ThyssenKrupp Steel Europe AG · DE
thyssenkrupp AG · DE

Inventors

Thomas Flehmig · Ratingen, DE
Martin Kibben · Dinslaken, DE
Jörg Gorschlüter · Hamm, DE

Key dates

Filing date	Sep 9, 2015
Grant date	Jul 10, 2018
Priority date	—
Expiry date	Apr 18, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC21D9/085
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Disclosed herein is a method and tool for hardening a hollow profile of a steel workpiece having an interior space. The method includes the steps of providing a workpiece having a hollow profile, heating the hollow profile, placing the hollow profile of the steel workpiece in a hardening tool, and cooling the hollow profile from the inside by way of a cooling core having an exterior shape that is complimentary to that of the structural shape of the interior space of the hollow profile.

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