Patent · US Expired

Device for hot-dip coating a metal bar

US7601221B2 · kind B2 · utility

0Cited by

7References

7Claims

0Family size

Assignee

SMS DEMAG LLC · DE

Inventors

Rolf Brisberger · Issum, DE
Bodo Falkenhahn · Mülheim an der Ruhr, DE
Holger Behrens · Reutlingen, DE
Michael Zielenbach · Siegen, DE
Bernhard Tenckhoff · Duisburg, DE

Key dates

Filing date	Oct 25, 2003
Grant date	Oct 13, 2009
Priority date	—
Expiry date	Dec 22, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23C2/50
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to a device for hot-dip coating a metal bar (1), particularly a steel strip, in which the metal bar (1) is vertically directed through a container (3) receiving the molten coating metal (2) and a directing channel (4) that is arranged upstream thereof. Said device comprises at least two inductors (5) which are disposed on both sides of the metal bar (1) in the zone of the directing channel (4) and generate an electromagnetic field for retaining the coating metal (2) within the container (3). In order to better control the coating process, the inventive device is characterized by a sealing means (7, 7′) which is arranged above the directing channel (4) in the bottom area (6) of the container (3) and alternatively releases or interrupts the flow of molten coating metal (2) to the metal bar (1) and/or the directing channel (4).

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