Device for hot dip coating metal strands
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0507269
(2003-02-20)
|
등록번호 |
US-7361224
(2008-04-22)
|
우선권정보 |
DE-102 10 430(2002-03-09) |
국제출원번호 |
PCT/EP03/001701
(2003-02-20)
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§371/§102 date |
20050404
(20050404)
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국제공개번호 |
WO03/076680
(2003-09-18)
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발명자
/ 주소 |
- Trakowski,Walter
- Jepsen,Olaf Norman
- Schunk,Eckart
- Frommann,Klaus
- Brisberger,Rolf
- Behrens,Holger
- Zielenbach,Michael
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
7 |
초록
▼
The invention relates to a device for hot dip coating metal strands (1), particularly strip steel, in which the metal strand (1) can be vertically guided through a reservoir (3), which accommodates the molten coating metal (2), and though a guide channel (4) connected upstream therefrom. An electrom
The invention relates to a device for hot dip coating metal strands (1), particularly strip steel, in which the metal strand (1) can be vertically guided through a reservoir (3), which accommodates the molten coating metal (2), and though a guide channel (4) connected upstream therefrom. An electromagnetic inductor (5) is mounted in the area of the guide channel (4) and in order to retain the coating metal (2) inside the reservoir (3), can induce induction currents in the coating metal (2) by means of an electromagnetic blocking field. While interacting with the electromagnetic blocking field, said induction currents exert an electromagnetic force. In order to prevent an intense heating of the metal strand caused by the electromagnetic inductor, the invention provides that the inductor (5, 5a, 5b) is connected to electric power supply means (6) that supply the inductor with an alternating current whose frequency (f) is less than 500 Hz. In particular, a mains frequency of 50 Hz is intended.
대표청구항
▼
The invention claimed is: 1. Device for the hot dip coating of metal strands (1), said device comprising a tank (3) that contains the molten coating metal (2) and an upstream guide channel (4) such that a metal strand (1) can be guided vertically through the guide channel (4) and the tank (3) in a
The invention claimed is: 1. Device for the hot dip coating of metal strands (1), said device comprising a tank (3) that contains the molten coating metal (2) and an upstream guide channel (4) such that a metal strand (1) can be guided vertically through the guide channel (4) and the tank (3) in a direction of movement (x) thereby coating the metal strand (1), wherein, in the area of the guide channel (4), an electromagnetic inductor (5) is installed, which can induce induction currents in the coating metal (2) for holding back the coating metal (2) in the tank (3) by means of an electromagnetic blocking field, wherein the induction currents interact with the electromagnetic blocking field to exert an electromagnetic force, wherein the inductor comprised of inductor coils (7) and is (5) is connected to electric supply means (6) that supplies the inductor with alternating current with a frequency (f) that is less than 500 Hz, such that the supply means (6) supplies the inductor (5) with single-phase alternating current, and wherein said device further comprises means (8) for guiding the metal strand (1) in the guide channel (4), which consist of at least two correction coils (8b) for controlling the position of the metal strand (1) in the guide channel (4) in the direction (N) normal to the surface of the metal strand (1), wherein the correction coils (8b) are arranged at the same height as the induction coils (7), as viewed in the direction of movement (X) of the strand (1). 2. Device in accordance with claim 1, wherein the frequency (f) is less than 100 Hz. 3. Device in accordance with claim 1, wherein at least one of the inductor coils (7) is arranged on either side of the guide channel (4). 4. Device in accordance with claim 1, wherein the inductor (5) has two grooves (9), which run parallel to each other, perpendicular to the direction of movement (X) of the metal strand (1) and perpendicular to the normal direction (N), for holding one of the induction coil (7) and one of the correction coils (8b). 5. Device in accordance with claim 4, wherein the correction coils (8b), mounted in the grooves (9) is mounted closer to the metal strand (1) than is the induction coils (7). 6. Device in accordance with claim 1, wherein the least two correction are arranged side by side on either side of the metal strand (1). 7. Device according to claim 2, wherein the frequency (f) is 50 Hz.
이 특허에 인용된 특허 (7)
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Bergmann, Frank; Zielenbach, Michael; Trakowski, Walter; Jepsen, Olaf Norman; Behrens, Holger, Device for hot dip coating metal strands.
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Morrison Bruce Robert,AUX ; Osterberg Raymond Charles,AUX ; Payling Richard,AUX ; Baharis Chris,AUX ; O'Neill James Arthur,AUX ; Jinks Damien,AUX ; Ellis Peter James,AUX, Electro-magnetic plugging means for hot dip coating pot.
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Garnier ; Marcel A. ; Moreau ; Rene J., Electromagnetic apparatus for construction of liquid metals.
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Richter Tomas, Electromagnetic valve for controlling the flow of molten, magnetic material.
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Tada Masahiko,JPX ; Kato Chiaki,JPX ; Matsukawa Toshitane,JPX ; Mihara Kazumasa,JPX ; Unoki Kenichi,JPX, Hot dip coating apparatus and method.
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Del Vecchio Robert M. (Turtle Creek PA) Slepian Robert M. (Pittsburgh PA), Liquid metal electromagnetic flow control device incorporating a pumping action.
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Heinemann, Wilfried; Rummel, Theodor, Method and apparatus for continuous casting of metallic strands in a closed pouring system.
이 특허를 인용한 특허 (1)
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Brisberger, Rolf; Tenckhoff, Bernhard; Behrens, Holger; Falkenhahn, Bodo; Trakowski, Walter; Zielenbach, Michael; Jürgens, Robert, Method and device for hot-dip coating a metal strand.
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