DE19852473C5 - Chill plate of a continuous casting plant - Google Patents
Chill plate of a continuous casting plant Download PDFInfo
- Publication number
- DE19852473C5 DE19852473C5 DE19852473A DE19852473A DE19852473C5 DE 19852473 C5 DE19852473 C5 DE 19852473C5 DE 19852473 A DE19852473 A DE 19852473A DE 19852473 A DE19852473 A DE 19852473A DE 19852473 C5 DE19852473 C5 DE 19852473C5
- Authority
- DE
- Germany
- Prior art keywords
- layer
- cooling
- mold plate
- mold
- chill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000005266 casting Methods 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 239000002826 coolant Substances 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 44
- 229910052759 nickel Inorganic materials 0.000 claims description 22
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 43
- 238000000576 coating method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/059—Mould materials or platings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Kokillenplatte aus Kupfer einer Stranggießanlage, mit einer im Betrieb der Stranggießanlage einer Metallschmelze bzw. einem (teilerstarrten Metallstrang zugewandten Arbeitsfläche und mindestens einer im Betrieb der Stranggießanlage ein Kühlmedium kontaktierenden Kühlfläche, wobei die Kokillenplatte eine Wärmeleitfähigkeit aufweist und sich in einer Gießrichtung über eine Kokillenlänge erstreckt.The The present invention relates to a copper plate of a copper continuous casting, with a continuous operation of the continuous casting of a molten metal or a (semi-solid metal strand facing working surface and at least one during operation of the continuous casting a cooling medium contacting cooling surface, wherein the mold plate has a thermal conductivity has and in a casting direction over a mold length extends.
Eine
derartige Kokillenplatte ist beispielsweise aus der
Beim Stranggießen von Metall, insbesondere von Stahl, tritt ein hoher Verschleiß an den Kokillenplatten auf. Daher muß die Arbeitsfläche der Kokillenplatte von Zeit zu Zeit nach einer von den Einsatzbedingungen der Kokillenplatte abhängigen Pfannenzahl nachbearbeitet werden. Dabei nimmt die Dicke der Kokillenplatte stetig ab.At the continuous casting of metal, especially of steel, high wear occurs on the Mold plates on. Therefore, the working surface the mold plate from time to time according to one of the conditions of use the chill plate dependent pan count be reworked. It takes the thickness of the mold plate steadily off.
Um qualitativ hochwertige Stahlstränge zu gießen, muß die Temperatur der Arbeitsfläche innerhalb eines vorbestimmten Bereiches liegen. Auch muß die Dicke der Kokillenplatte innerhalb eines zulässigen Dickenbereiches liegen, der größer als eine aus mechanischen Gründen erforderliche Mindestdicke ist.Around high quality steel strands to pour, must the Temperature of the work surface lie within a predetermined range. Also, the thickness must be the mold plate are within a permissible thickness range, the bigger than one for mechanical reasons required minimum thickness is.
Die Aufgabe der vorliegenden Erfindung besteht darin, eine Kokillenplatte der gattungsgemäßen Art derart fortzubilden daß sie öfter als bisher möglich nachbearbeitbar ist, wenn bereits eine minimal zulässige Kupferwanddicke erreicht ist.The Object of the present invention is a mold plate of the generic type in such a way that she more often than previously possible postprocessing is when already reached a minimum allowable copper wall thickness is.
Die Aufgabe wird V mit den Merkmalen des Anspruchs 1 gelöst. The Task V is achieved with the features of claim 1.
Das Aufbringen von Schichten, insbesondere von Nickelschichten, auf Kokillenplatten als solches ist zwar bereits bekannt. Beispielhaft wird auf die WO 97/12708 und Herrmann: "Handbook on Continuous Casting", Aluminium-Verlag Düsseldorf 1980, verwiesen. Im Stand der Technik wird eine Nickelschicht jedoch auf die Arbeitsfläche der Kokillenplatte aufgebracht. Sie dient im wesentlichen dazu, den Kokillenverschleiß beim Stranggießen zu verringern.The Application of layers, in particular of nickel layers, on Chill plates as such is already known. exemplary is to WO 97/12708 and Herrmann: "Handbook on Continuous Casting", aluminum Verlag Dusseldorf 1980, directed. However, in the prior art, a nickel layer becomes on the work surface applied to the mold plate. It serves essentially to the Mold wear on continuous casting to reduce.
Auch
aus der
Die Schicht kann aus einer Vielzahl von Metallen, z. B. Chrom bestehen. Besonders vorteilhaft ist aber, wenn die Schicht im wesentlichen aus Nickel besteht, da der Wärmeausdehnungskoeffizient von Nickel kleiner all der Wärmeausdehnungskoeffizient einer üblichen Kokillenplatte ist.The Layer can be made of a variety of metals, eg. B. chrome. But is particularly advantageous if the layer substantially consists of nickel, since the coefficient of thermal expansion of nickel smaller all the thermal expansion coefficient of a conventional Mold plate is.
Gemäß der Erfindung wird die Nickelschicht vorzugsweise in einem Nickelbad mit Zusätzen stromlos auf der Kühlfläche der Kokillenplatte abgeschieden. Denn in diesem Fall sind konturscharfe Beschichtungen der Kühlfläche möglich. Darüber hinaus ist die Schichtdicke sehr gleichmäßig, und die Wärmeleitfähigkeit der Schicht ist erheblich geringer als die von galvanisch aufgebrachtem Nickel. Unabhängig vom Beschichtungsverfahren sollte die Schicht-Wärmeleitfähigkeit aber maximal 10% der Wärmeleitfähigkeit von dem Kupfer der Kokillenplatte betragen.According to the invention The nickel layer is preferably de-energized in a nickel bath with additives on the cooling surface of the Chill plate deposited. Because in this case are contour sharp Coatings of the cooling surface possible. Furthermore the layer thickness is very uniform, and the thermal conductivity the layer is considerably lower than that of electroplated Nickel. Independently from the coating process should be the layer thermal conductivity but a maximum of 10% of the thermal conductivity amount of the copper of the mold plate.
Die Isoliereigenschaften der Schicht sind noch besser, wenn die Schicht zu fünf bis zwanzig Prozent aus Phosphor und im übrigen – abgesehen von Verunreinigungen – aus Nickel besteht. Denn in diesem Fall beträgt die Schicht-Wärmeleitfähigkeit weniger als 3% der Wärmeleitfähigkeit der Kokillenplatte aus Kupfer.The Insulating properties of the layer are even better when the layer to five up to twenty percent from phosphorus and the rest - apart from impurities - from nickel consists. Because in this case, the layer thermal conductivity is less than 3% of thermal conductivity the chill plate made of copper.
Die Kühlfläche kann als auf einer der Arbeitsfläche gegenüberliegenden Rückseite angeordnete Kühlnut oder als bezüglich einer der Arbeitsfläche gegenüberliegenden Rückseite geschlossene Kühlbohrung ausgebildet sein.The Cooling surface can as on one of the work surface opposite back arranged cooling groove or as regards one of the workspace opposite back closed cooling hole be educated.
Die Kühlnut weist eine Bodenfläche und Seitenwände auf Wahl weise kann die Schicht nur auf die Bodenfläche und/oder auch auf die Seitenwände aufgebracht sein.The cooling groove has a bottom surface and sidewalls on choice, the layer can only on the floor surface and / or also applied to the side walls be.
Wenn die Schicht sich von einem in Gießrichtung gesehen oberen Rand über eine Schichtlänge erstreckt und die Schichtlänge kleiner als die Kokillenlänge ist, kann die Temperaturverteilung über der Kokillenlänge beeinflußt werden. Die Schichtlänge beträgt mindestens 100 mm. vorzugsweise zwischen 300 mm und 500 mm. Alternativ kann sich die Schicht aber auch über die gesamte Kokillenlänge erstrecken.If the layer extends from an upper edge seen in the casting direction over a layer length extends and the layer length smaller than the mold length is, the temperature distribution over the Kokillenlänge can be influenced. The layer length is at least 100 mm. preferably between 300 mm and 500 mm. alternative but the layer can also over the entire mold length extend.
Weitere Vorteile und Einzelheiten ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels in Verbindung mit den Zeichnungen. Dabei zeigen in Prinzipdarstellung:Further Advantages and details will become apparent from the following description an embodiment in conjunction with the drawings. Here are a schematic diagram:
Gemäß
Zum
kontrollierten Erstarren der Metallschmelze
Die
Kokillenplatte
Gemäß Ausführungsbeispiel
besteht die Schicht
Vorzugsweise
wird die Schicht
Die
Schicht
Im
Prinzip ist es möglich,
die Rückseite
Beispielsweise
weisen die Kühlnuten
Es
ist ferner möglich,
daß die
Schicht
Die
Kokillenplatte
- 11
- Kokillenplattemold plate
- 22
- Arbeitsflächeworking surface
- 33
- Metallschmelzemolten metal
- 44
- Metallstrangmetal strand
- 55
- Kühlflächen/KühlnutenCooling surfaces / cooling grooves
- 5'5 '
- Kühlflächen/KühlbohrungenCooling surfaces / cooling holes
- 66
- Rückseiteback
- 77
- Schichtlayer
- 88th
- Nickelbadnickel bath
- 1010
- Seitenwändeside walls
- 1111
- StegeStege
- 1212
- oberer Randupper edge
- dd
- Schichtdickelayer thickness
- I, LI, L
- Längenlengths
- N, S, WN, S, W
- Leitfähigkeitenconductivities
- xx
- Gießrichtungcasting
Claims (9)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19852473A DE19852473C5 (en) | 1998-11-13 | 1998-11-13 | Chill plate of a continuous casting plant |
EP99972136A EP1128919B1 (en) | 1998-11-13 | 1999-11-04 | Mould plate of a continuous casting plant |
KR1020017005885A KR100627009B1 (en) | 1998-11-13 | 1999-11-04 | Mould plate of a continuous casting plant |
AT99972136T ATE224782T1 (en) | 1998-11-13 | 1999-11-04 | MOLD PLATE OF A CONTINUOUS CASTING PLANT |
PCT/EP1999/008442 WO2000029146A1 (en) | 1998-11-13 | 1999-11-04 | Mould plate of a continuous casting plant |
DE59902879T DE59902879D1 (en) | 1998-11-13 | 1999-11-04 | CHILLER PLATE OF A CONTINUOUS CASTING SYSTEM |
ES99972136T ES2185425T3 (en) | 1998-11-13 | 1999-11-04 | COQUILLA PLATE OF A INSTALLATION OF CONTINUOUS COLADA. |
CA002351081A CA2351081C (en) | 1998-11-13 | 1999-11-04 | Mold plate of a continuous casting plant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19852473A DE19852473C5 (en) | 1998-11-13 | 1998-11-13 | Chill plate of a continuous casting plant |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19852473C1 DE19852473C1 (en) | 2000-05-31 |
DE19852473C5 true DE19852473C5 (en) | 2005-10-06 |
Family
ID=7887743
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19852473A Expired - Fee Related DE19852473C5 (en) | 1998-11-13 | 1998-11-13 | Chill plate of a continuous casting plant |
DE59902879T Expired - Lifetime DE59902879D1 (en) | 1998-11-13 | 1999-11-04 | CHILLER PLATE OF A CONTINUOUS CASTING SYSTEM |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE59902879T Expired - Lifetime DE59902879D1 (en) | 1998-11-13 | 1999-11-04 | CHILLER PLATE OF A CONTINUOUS CASTING SYSTEM |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1128919B1 (en) |
KR (1) | KR100627009B1 (en) |
AT (1) | ATE224782T1 (en) |
CA (1) | CA2351081C (en) |
DE (2) | DE19852473C5 (en) |
ES (1) | ES2185425T3 (en) |
WO (1) | WO2000029146A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10148150B4 (en) * | 2001-09-28 | 2014-05-22 | Egon Evertz Kg (Gmbh & Co.) | Liquid-cooled continuous casting mold |
DE10217906A1 (en) * | 2002-04-23 | 2003-11-06 | Sms Demag Ag | Continuous casting mold for liquid metals, especially for liquid steel |
TWI268821B (en) * | 2002-04-27 | 2006-12-21 | Sms Demag Ag | Adjustment of heat transfer in continuous casting molds in particular in the region of the meniscus |
DE102007028064A1 (en) | 2007-06-19 | 2008-12-24 | Siemens Ag | Chill plate for a mold of a continuous casting plant |
KR101111739B1 (en) * | 2010-01-29 | 2012-02-15 | 주식회사 풍산 | Mold plate, mold plate assembly and mold for casting |
WO2011093561A1 (en) * | 2010-01-29 | 2011-08-04 | 주식회사 풍산 | Mold plate, mold plate assembly and casting mold |
KR101649678B1 (en) | 2014-10-10 | 2016-08-19 | 주식회사 포스코건설 | Apparatus for fixing mold plate of continuous casting |
DE102017211108A1 (en) * | 2017-06-30 | 2019-01-03 | Thyssenkrupp Ag | Mold plate and mold for a continuous casting plant and continuous casting process |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3536C (en) * | M. DEMMER in Dortmund | Iron superstructure for railways with three-headed rails | ||
DE969000C (en) * | 1951-03-09 | 1958-04-17 | Boehler & Co Ag Geb | Continuous casting mold |
DE1458168B1 (en) * | 1964-12-28 | 1971-05-27 | Mannesmann Ag | CONTINUOUSLY CASTING GLASS WITH DIFFERENT THERMAL CONDUCTIVITY |
EP0063757A1 (en) * | 1981-04-27 | 1982-11-03 | Alumax Inc. | Method and apparatus for casting metals and alloys |
DE2634633C2 (en) * | 1976-07-31 | 1984-07-05 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Continuous casting mold made of a copper material, especially for continuous casting of steel |
DE3415050A1 (en) * | 1984-04-21 | 1985-10-31 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | METHOD FOR PRODUCING A CONTINUOUS CASTING CHILL WITH A WEAR-RESISTANT LAYER |
EP0149734B1 (en) * | 1984-01-05 | 1988-04-20 | Sms Schloemann-Siemag Aktiengesellschaft | Continuous casting mould for steel slabs |
WO1997012708A1 (en) * | 1995-10-04 | 1997-04-10 | Sms Schloemann-Siemag Inc. | Continuous casting mold and method of making |
WO1999016564A1 (en) * | 1997-10-01 | 1999-04-08 | Concast Standard Ag | Mould pipe for a continuous casting mould for the continuous casting of steels, especially peritectic steels |
DE19747305A1 (en) * | 1997-10-25 | 1999-04-29 | Km Europa Metal Ag | Mold for a continuous caster |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2100154B (en) * | 1981-04-27 | 1985-11-06 | Sumitomo Metal Ind | Molds for continuously casting steel |
DE3319332C2 (en) * | 1982-06-18 | 1987-01-02 | Clecim, Courbevoie | Plate for a continuous casting mould |
DE3909900A1 (en) * | 1989-03-25 | 1990-10-18 | Thyssen Stahl Ag | Continuous casting mould for the casting of steel strip |
-
1998
- 1998-11-13 DE DE19852473A patent/DE19852473C5/en not_active Expired - Fee Related
-
1999
- 1999-11-04 KR KR1020017005885A patent/KR100627009B1/en not_active IP Right Cessation
- 1999-11-04 CA CA002351081A patent/CA2351081C/en not_active Expired - Fee Related
- 1999-11-04 DE DE59902879T patent/DE59902879D1/en not_active Expired - Lifetime
- 1999-11-04 WO PCT/EP1999/008442 patent/WO2000029146A1/en active IP Right Grant
- 1999-11-04 AT AT99972136T patent/ATE224782T1/en active
- 1999-11-04 ES ES99972136T patent/ES2185425T3/en not_active Expired - Lifetime
- 1999-11-04 EP EP99972136A patent/EP1128919B1/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3536C (en) * | M. DEMMER in Dortmund | Iron superstructure for railways with three-headed rails | ||
DE969000C (en) * | 1951-03-09 | 1958-04-17 | Boehler & Co Ag Geb | Continuous casting mold |
DE1458168B1 (en) * | 1964-12-28 | 1971-05-27 | Mannesmann Ag | CONTINUOUSLY CASTING GLASS WITH DIFFERENT THERMAL CONDUCTIVITY |
DE2634633C2 (en) * | 1976-07-31 | 1984-07-05 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Continuous casting mold made of a copper material, especially for continuous casting of steel |
EP0063757A1 (en) * | 1981-04-27 | 1982-11-03 | Alumax Inc. | Method and apparatus for casting metals and alloys |
EP0149734B1 (en) * | 1984-01-05 | 1988-04-20 | Sms Schloemann-Siemag Aktiengesellschaft | Continuous casting mould for steel slabs |
DE3415050A1 (en) * | 1984-04-21 | 1985-10-31 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | METHOD FOR PRODUCING A CONTINUOUS CASTING CHILL WITH A WEAR-RESISTANT LAYER |
WO1997012708A1 (en) * | 1995-10-04 | 1997-04-10 | Sms Schloemann-Siemag Inc. | Continuous casting mold and method of making |
WO1999016564A1 (en) * | 1997-10-01 | 1999-04-08 | Concast Standard Ag | Mould pipe for a continuous casting mould for the continuous casting of steels, especially peritectic steels |
DE19747305A1 (en) * | 1997-10-25 | 1999-04-29 | Km Europa Metal Ag | Mold for a continuous caster |
Also Published As
Publication number | Publication date |
---|---|
DE19852473C1 (en) | 2000-05-31 |
KR20010089433A (en) | 2001-10-06 |
WO2000029146A1 (en) | 2000-05-25 |
CA2351081A1 (en) | 2000-05-25 |
EP1128919A1 (en) | 2001-09-05 |
ES2185425T3 (en) | 2003-04-16 |
DE59902879D1 (en) | 2002-10-31 |
KR100627009B1 (en) | 2006-09-22 |
CA2351081C (en) | 2008-04-15 |
ATE224782T1 (en) | 2002-10-15 |
EP1128919B1 (en) | 2002-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of patent without earlier publication of application | ||
D1 | Grant (no unexamined application published) patent law 81 | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: SMS DEMAG AG, 40237 DUESSELDORF, DE CHAPARRAL STEE |
|
8328 | Change in the person/name/address of the agent |
Free format text: HEMMERICH, MUELLER & PARTNER, 57072 SIEGEN |
|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings | ||
8392 | Publication of changed patent specification | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HYLSA S.A. DE C.V., SAN NICOLAS DE LOS GARZA, , MX Owner name: SMS DEMAG AG, 40237 DUESSELDORF, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: SMS SIEMAG AKTIENGESELLSCHAFT, 40237 DUESSELDO, DE Owner name: HYLSA S.A. DE C.V., SAN NICOLAS DE LOS GARZA, , MX |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20140603 |