US 2019/0153589 A1 · Device and Method for Producing a Corrosion-Protected Steel Product

Abstract

An apparatus for producing a corrosion-protected steel product, in particular a steel strip or steel sheet, is disclosed. The apparatus includes a device for plasma nitriding a steel substrate and a coating device for applying a metallic material to the steel substrate. A process for producing a corrosion-protected steel product, in particular a steel strip or steel sheet, is also disclosed, wherein a steel substrate is provided and nitrogen is diffused by plasma nitriding into the steel substrate, and wherein a metallic material is applied to the steel substrate.

Claims22

Dependent claims

An apparatus for producing a corrosion-protected steel product, the apparatus comprising:

a device for plasma nitriding a steel substrate, wherein the plasma nitriding device comprises at least one hollow cathode space in which a hollow cathode glow discharge is produced;
and
a coating device for applying a metallic material to the steel substrate,
wherein the hollow cathode space is delimited at least partly by the steel substrate.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

16/092,510Filed 12 Apr 2017

Priority

DE 10 2016 106 679.612 Apr 2016

Published

23 May 2019

Term ends

Not estimatedThe source records don’t support an estimate.

Classification13 codes

C23C 14/586
Reactive treatment: nitriding
C23C 8/02
Solid state diffusion of only non-metal elements into metallic material surfaces ; Chemical surface treatment of metallic material by reaction…
C23C 8/38
Using ionised gases, e.g. ionitriding: treatment of ferrous surfaces
C23C 14/165
On metallic substrates or on substrates of boron or silicon: by cathodic sputtering

Device and Method for Producing a Corrosion-Protected Steel Product

Life of this patent

Device and Method for Producing a Corrosion-Protected Steel Product

Life of this patent

Abstract

Claims22